The 10 Best Mobile App Agencies in Seattle - 2025 Reviews

Top Mobile App Agencies in Seattle

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Unlock the power of mobile technology with Seattle's top-tier mobile app agencies and developers. Our curated list showcases industry-leading experts in creating innovative, user-friendly applications for iOS and Android platforms. Explore each agency's portfolio and client testimonials to find the perfect match for your project needs. Whether you're a startup looking to launch your first app or an established business seeking to enhance your mobile presence, Seattle's talented developers are ready to bring your vision to life. Use Sortlist to post your project requirements and let Seattle's finest mobile app creators reach out with tailored solutions that align with your unique goals and budget.

Top Featured Mobile App Agencies

All Mobile App Developers in Seattle

  • (0 review)

    Inwizards: Leading Software Development Company

    Inwizards Software Technology is a leading US-based software development company that assists businesses to adopt digital transformation and acquire immense success. We specialize in offering a wide range of services, including IT consulting, Custom Software Development, Digital Marketing, SEO, Product Development, Mobile App Development and many more. We aim to deliver the finest on the table infused with innovative technologies. Our presence for more than one and a half-decade with a vast network and expertise is what sets us apart as a website and application development company. Our veteran team of experts handpick software solutions and ensure a long-term competitive edge. Inwizards offer a number of clientele software technologies from WordPress, Flutter, IOT, AngularJs, Blazor Development, Blockchain, PHP, Full Stack Development, ReactJs, NodeJs, Web Development, E-commerce Web Development, Android App Development, iOS App Development, Xamarin Development, etc.
    4 works in Mobile App
    Unknown location
    Budget on request
    Worked in Music (+7)
    Speaks English
    51-200 members
  • 5
    (9 reviews)

    On Time ... On Budget ... Solutions Exceeding Expectation

    Recommended
    Top awarded
    Dot Com Development is a 🤝trusted🤝 and 🏆awarded🏆design and development technology company providing custom solutions for companies of all sizes and industries. We provide end to end application planning, design, development, testing and support services with expertise in the latest cutting edge, high performing, and future proof technologies. We’ll get your digital product to market 30% faster than our competitors, improve development costs by up to 40% and create user experiences that get 5x-10x more user engagement. Our services include: ✅ Strategic Planning and Consulting ✅ UX/UI Design ✅ Prototyping and POC's ✅ Web Application Development ✅ Website Design and Development ✅ Mobile Application Development ✅ Artificial Intelligence Development ✅ eCommerce Development ✅ API Development and Integration ✅ Data and Analytics ✅ Cloud Development ✅ CRM / ERP Development ✅ DevOps / Cloud Services ✅ Support and Maintenance
    6 works in Mobile App
    Located in Scottsdale, United States
    From €10,000 for Mobile App
    Worked in Industrial Goods & Services (+11)
    Speaks English
    11-50 members
  • 5
    (16 reviews)

    Building apps is hard... when you're distracted.

    Top awarded
    When hiring an app or web development team to build custom software, one variable matters most: are the developers fully dedicated to your success , or are you one client of many? Designli brings together designers, engineers, and business minds into on-demand, dedicated product teams that pour themselves, full-time, into the success of your app or web-app initiative. Existing as your dedicated software engineering department, we'll work together to solve your most pressing business problems with custom software. How it Works, and What We Can Build: Designli designs, develops, and launches beautiful apps and web-apps that you'll be proud to own, with a process that makes sense. Most importantly, we'll do this with a team that is assigned full-time to your project. With a step-by-step process, we'll begin by creating a clickable simulation of the User Interface of your app or website, and a development-ready backlog with each feature defined, estimated, and ready to code. Entrepreneurs use this output for fundraising. Business leaders use it for internal buy-in and market validation. When you choose to move into Development, our staff will be assigned full-time to you, and this team will be composed of the disciplines you need. Left alone, designers will create art projects. Engineers will create science fair gizmos. Business minds will create spreadsheets. Your development team will include all three, singularly focused on your success. For more information and to see our extensive work portfolio, visit https://designli.co
    7 works in Mobile App
    Located in Parker, United States (+1)
    From €10,000 for Mobile App
    Worked in Banking & Financials (+9)
    Speaks English
    51-200 members
  • (0 review)

    The best remote developers in the world. $28-$38 per hour.

    Slashdev - The Best Remote Developers In The World. Expert Hand Picked Freelance Developers for $28-$38 Per Hour. JavaScript, PHP, Python, Go, C#, Java, React, Laravel, and many more!
    Looking for work in Mobile App
    Located in Seattle, United States
    From €5,000 for Mobile App
    Works in multiple industries
    Speaks English
    51-200 members
  • (0 review)

    Advancing What's Possible with AI

    AccelOne is a solutions-driven technology and business partner that works with leaders ready to embrace innovation. AccelOne is proud to offer a blended onshore and nearshore delivery model, combining the expertise of our US-based leadership with the technical excellence of our development team in Argentina. This model ensures cost-effective, high-quality delivery for clients across the Americas. At AccelOne, our difference lies in how deeply we care about our clients’ success. From strategy to delivery, we provide a multidisciplinary team and a holistic approach tailored to your unique needs. We don’t just deliver secure, scalable, and efficient solutions—we empower your teams to sustain progress long after our work is done. By truly understanding your business, we become your trusted partner in turning vision into reality.
    Looking for work in Mobile App
    Located in Seattle, United States
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Top awarded
    Zooppa is a unique creative agency that utilizes technology to empower a network of creatives to provide brands with the curated creative content they're searching for. Since 2008 we have executed more than 800 projects across multiple industries. Our clients include Unilever, Nestle, Green Giant, Nickelodeon, Jeep, Match Group, NBPA and many more. We work on a project-by-project basis and our favorite metric is 85% ratio of repeat business . Depending on your creative brief, we will match you with the hand-selected top talent in film, photography and design to execute production within your budget and timeline. We manage and curate the entire process in order to support with any strategic choice as well as making sure that your KPIs are reached .  Our average deal size is $40k but we're happy to evaluate any budget if the project is in line with our capabilities (and on average we're 30% more cost-effective than traditional agencies). We believe in trust and transparency (or trustparency as we like to call it), we like to do great stuff while having fun in the process .
    Looking for work in Mobile App
    Located in Seattle, United States (+3)
    From €1,000 for Mobile App
    Worked in Sports (+4)
    Speaks English, Italian
    11-50 members
  • (0 review)

    Brain Inventory is a top-tier company specializing in software development and staff augmentation ne

    Brain Inventory is a dynamic technology company specializing in software development and staff augmentation services. They offer expertise across various industries, delivering solutions in web and mobile app development, cloud computing, artificial intelligence, and machine learning. Businesses looking to hire dedicated ReactJS developers can rely on Brain Inventory’s experienced team of developers, designers, and IT specialists to ensure smooth project execution and integration. With a strong focus on understanding client needs, they consistently deliver exceptional results on time and within budget, making them a trusted partner for companies seeking to accelerate growth through technology.
    Looking for work in Mobile App
    Located in Seattle, United States
    From €1,000 for Mobile App
    Works in multiple industries
    Speaks English
    51-200 members
  • (0 review)

    Helping entrepreneurs and businesses to digitize their ideas/services

    Mobcoder is one of the leading app development companies in USA, UK & India for Startups and Enterprise, solely focused on best-quality android, ios & web development services.
    Looking for work in Mobile App
    Located in Seattle, United States (+3)
    Budget on request
    Works in multiple industries
    Speaks English
    51-200 members
  • (0 review)
    Looking for work in Mobile App
    Located in Seattle, United States
    From €1,000 for Mobile App
    Works in multiple industries
    Speaks English
    51-200 members
  • 5
    (1 review)

    Top Mobile App Development Company in the USA

    Zazz is a certified and globally recognized Mobile App Development company that can help, architect & scale your vision. Talk to our App Development Experts Now.
    Looking for work in Mobile App
    Located in Seattle, United States
    From €1,000 for Mobile App
    Works in multiple industries
    Speaks English
    201-500 members
  • (0 review)

    Functional is beautiful.

    Flower Press Interactive is a team of product designers and engineers who help innovative companies create better websites, apps, and experiences by uncovering product insights. Our award-winning studio is woman-owned and was founded in 2001. We are honored to partner with clients to plan, design, build, and maintain high-quality digital products that make a positive impact on our communities and the world.
    2 works in Mobile App
    Located in Medina, United States
    From €10,000 for Mobile App
    Worked in Sports (+2)
    Speaks English
    11-50 members
  • (0 review)

    Promethean is a leading education technology company working to transform the way the world learns and collaborates.

    Promethean is a global leader in interactive displays for education. Increase student engagement and find solutions for your edtech needs.
    Looking for work in Mobile App
    Located in Seattle, United States
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Smarter Workforce Scheduling

    Shiftboardâs employee scheduling software enables adaptive operations that maximize shift coverage and improve employee job satisfaction.
    Looking for work in Mobile App
    Located in Seattle, United States
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Scaling? Build world-class engineering teams that ship high performing custom software products with ThirstySprout

    ThirstySprout simplifies hiring the best remote engineers, filtered by your industry and technical expertise.
    Looking for work in Mobile App
    Located in Seattle, United States
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Shaw/Scott is a digital consulting agency that helps brands create engaging customer experiences through technology.

    Shaw/Scott is a digital consulting agency that helps brands create engaging customer experiences through technology.
    Looking for work in Mobile App
    Located in Seattle, United States
    From €1,000 for Mobile App
    Works in multiple industries
    Speaks English
    51-200 members
  • (0 review)

    Mobile App Development | iOS & Android Apps | Web Development

    NAOS/DEV | App Development iOS, Android, Web and Augmented Reality. Partner with experts in mobile app development to design high-performing mobile applications for your business.
    Looking for work in Mobile App
    Located in Seattle, United States
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Twelve23. Your trusted agency partner for web-based solutions, support and consulting.

    Twelve23 is a strategy, branding, design and development studio located in the heart of Seattle. Our tight-knit community of creatives have a passion for solving complex problems and producing beautiful finished products. We start each project by familiarizing ourselves with your story, then develop a plan that helps you attain your goals. We offer an extra set of hands to help agencies build their digital capability, and we create successful foundations for startups. In our ten years of business, we have evolved into an all-inclusive digital agency and have established countless longstanding relationships with our clients.
    Looking for work in Mobile App
    Located in Seattle, United States
    From €1,000 for Mobile App
    Works in multiple industries
    Speaks English
    11-50 members
  • (0 review)

    Work with Axolot Technologies to know how we are using the power of IT to move the world forward. We make IT happen!

    Ready to take your online presence to the next level? Our innovative digital marketing agency offers creative solutions for your business
    Looking for work in Mobile App
    Located in Seattle, United States
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    We're seeking TOP TALENT for our Seattle based game studio!

    Looking for work in Mobile App
    Located in Seattle, United States
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    PlayFab is a suite of products that complement your existing backend infrastructure. Mix and match to meet your needs, or adopt the entire platform as a powerful base for current and future games.
    Looking for work in Mobile App
    Located in Seattle, United States
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members

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Customer reviews about Mobile App Agencies in Seattle

Sandra T., Business OwnerRetail | Seattle, WA, USA

Choosing a Mobile App Developer in Seattle was challenging due to the number of agencies. However, the agency we selected not only met but exceeded our expectations. Their approach to user-centric design and their attention to detail in app development resulted in an increase in our app's engagement metrics. I highly recommend their services to anyone looking for top-notch app creation and maintenance.

VP of Product DevelopmentTechnology | Seattle, WA, USA

After working with this leading Mobile App Agency based in Seattle, the difference in our app's performance and user interface is palpable. The team of mobile app developers brought fresh, innovative ideas that perfectly aligned with our vision and target audience needs. Their professionalism and timeliness in delivery has left us truly impressed and eager to engage in upcoming projects.

Erica M., Marketing DirectorHealthcare | Seattle, WA, USA

The expertise and guidance from the Mobile App Agency we worked with in Seattle were outstanding. From initial concept mapping to final execution, their team provided clear and effective strategies to enhance our app's functionality and market viability. This partnership significantly boosted our digital presence and customer satisfaction rates.

Insights from a Seattle Expert: Navigating the Mobile App Scene

Seattle, a hub of tech innovation, is not only famous for its coffee and rainy days but also as a pioneering city in mobile app development. In the heart of this bustling tech scene, various agencies have garnered attention for their innovative solutions and client-centered approaches. The city is home to a range of Mobile App Agencies showcasing 47 projects and accumulating 93 client reviews, pointing towards a vibrant and competitive market.

Prominent Projects and Esteemed Clientele

Spotlight on Success

Seattle-based mobile app agencies have an impressive track record, developing applications for leading companies across industries. Some noteworthy projects include apps for major players in the retail, technology, and healthcare sectors, effectively enhancing user engagement and operational efficiency.

Awards and Recognition

Local agencies have not only excelled in meeting client needs but have also been recognized for their superior design and innovation. Several have been accoladed with awards such as the American Design Awards and the Webby Awards for mobile app excellence, emphasizing their standing at the forefront of mobile technology.

Guidelines for Choosing the Right Mobile App Agency

Budget Considerations

Understanding your budget is crucial when selecting an agency. In Seattle, prices vary based on the agency’s size, reputation, and the complexity of the app being developed. Here are some budgeting tips based on company size:

Startups: collaboration with boutique agencies or medium-sized firms can be cost-effective, offering quality at competitive prices. Basic app development projects might start from $10,000.

Mid-sized businesses: these entities might need more customized solutions, possibly engaging with more established agencies. A more advanced app could range from $50,000 to $200,000 depending on specifications.

Large corporations: with more complex requirements, including high-end security features or integration with multiple existing systems, costs can soar above $200,000.

Prior Client Reviews

Evaluating previous client feedback is essential. With 93 reviews, the feedback for local agencies provides insights into their reliability and effectiveness, assisting potential clients in making well-informed decisions.

Enhance Your Business with a Seattle-developed Mobile App

Whether you're a burgeoning startup or an established multinational, Seattle's dynamic environment and skilled mobile app developers offer the expertise needed to transform your ideas into successful applications. By leveraging local talent and innovative approaches, businesses can achieve exceptional digital presence and user engagement. As a local expert of Sortlist in Seattle, I encourage you to explore the diverse options and trust in the local prowess to take your mobile strategy to new heights.

Karim Saadoune
Written by Karim Saadoune Sortlist Expert in SeattleLast updated on the 19-05-2025

Latest Projects Submitted to Mobile App Developers in Seattle

Creation of a hospitality management appMid-sized hotel chain expanding across the US25,000€-60,000€ | 05-2025A hotel chain is seeking a mobile app development agency to build a comprehensive app aimed at enhancing guest experiences. The app should include features such as room booking, service requests, loyalty program integration, and local guide access. Previous experience in the hospitality industry is a plus.
Creation of a Fitness Tracking App for a Wellness StartupFitness-focused startup30,000€-60,000€ | 04-2025This innovative startup in the wellness industry is looking for a specialized mobile app developer to create a state-of-the-art fitness tracking application. The app should seamlessly integrate with wearable devices and provide personalized health metrics, workout tracking, and nutritional advice. The ideal partner should demonstrate a strong portfolio of similar projects in the wellness sector.
Development of a Sustainable Living Mobile AppStartup in Green Technology30,000€-60,000€ | 03-2025A dynamic startup in the green technology space is seeking a mobile app development agency to create an innovative app focused on sustainable living practices. The desired agency should have a track record with eco-friendly projects and be capable of integrating features that encourage user engagement in sustainability.
Development of a mobile app for a fast-food chainWell-known fast-food chain>75,000€ | 10-2024This fast-food chain is seeking a mobile app development agency to create a user-friendly app that supports online ordering, personalized promotions, and loyalty rewards. The agency should have strong previous work in similar sectors.
Health monitoring app for a healthcare providerMajor health care provider100,000€-200,000€ | 10-2024A major healthcare provider is searching for a top-tier mobile app agency to develop a comprehensive health monitoring application that integrates with existing patient data systems for enhanced user management.

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Frequently Asked Questions.


In the competitive mobile app landscape of Seattle, developers need to employ smart strategies to make their apps stand out and attract users. Here are some effective approaches:

  1. App Store Optimization (ASO): Optimize your app's title, description, and keywords to improve visibility in app store searches. Use relevant, high-traffic keywords specific to the Seattle market.
  2. Unique Value Proposition: Clearly communicate what makes your app unique, especially in solving problems for Seattle residents or businesses. For example, an app that helps users navigate Seattle's public transit system more efficiently.
  3. Localization: Tailor your app to the Seattle market. Include local landmarks, events, or cultural references that resonate with the city's inhabitants.
  4. High-Quality Visuals: Invest in professional, eye-catching icons and screenshots. Seattle is known for its design-conscious tech community, so visual appeal is crucial.
  5. User Reviews and Ratings: Encourage satisfied users to leave positive reviews. According to a survey by Apptentive, 90% of users consider ratings when downloading apps.
  6. PR and Local Media: Leverage Seattle's tech-savvy media landscape. Reach out to local tech blogs, podcasts, and news outlets for coverage.
  7. Influencer Partnerships: Collaborate with Seattle-based influencers or tech personalities to promote your app to their followers.
  8. Continuous Updates: Regularly update your app based on user feedback and new features. This shows active development and improves user retention.
  9. Cross-Promotion: Partner with other local Seattle businesses or apps for cross-promotion opportunities.
  10. Leverage Seattle's Tech Events: Showcase your app at local tech meetups, conferences, or startup events like Seattle Startup Week.

Remember, the Seattle market is known for its tech-savvy audience and strong startup ecosystem. Your app should not only be functional but also innovative and aligned with the city's progressive values. By implementing these strategies and focusing on delivering real value to Seattle's mobile users, your app will have a better chance of standing out in crowded app stores and attracting a loyal user base.



When developing mobile apps for both iOS and Android platforms simultaneously, Seattle-based developers need to consider several critical factors to ensure success in the competitive tech landscape. Here are the key considerations:

  1. Choose the Right Development Approach:
    • Native development: Creating separate apps for iOS and Android
    • Cross-platform frameworks: Using tools like React Native, Flutter, or Xamarin
    • Hybrid solutions: Utilizing web technologies wrapped in a native container

    Seattle's thriving tech ecosystem offers expertise in all these approaches, so choose based on your project requirements and team skills.

  2. User Interface (UI) and User Experience (UX) Design:
    • Adhere to platform-specific design guidelines (Material Design for Android, Human Interface Guidelines for iOS)
    • Create a consistent brand experience across platforms while respecting platform norms
    • Consider Seattle's tech-savvy user base, who often have high expectations for app usability
  3. Performance Optimization:
    • Ensure smooth performance across various devices and OS versions
    • Optimize for battery life, a crucial factor for Seattle's on-the-go professionals
    • Implement efficient data handling and caching mechanisms
  4. Testing and Quality Assurance:
    • Conduct thorough testing on both platforms, including device-specific testing
    • Utilize Seattle's diverse tech workforce for beta testing and feedback
    • Implement automated testing to streamline the development process
  5. API and Backend Integration:
    • Design a robust, scalable backend that can serve both platforms efficiently
    • Implement secure API communication protocols
    • Consider leveraging Seattle's strong cloud computing infrastructure (e.g., Amazon Web Services, Microsoft Azure)
  6. App Store Optimization (ASO):
    • Optimize app listings for both Google Play Store and Apple App Store
    • Tailor keywords and descriptions to appeal to Seattle's tech-oriented market
    • Prepare for the different review processes of each platform
  7. Localization and Internationalization:
    • Design with internationalization in mind, even if initially focusing on the Seattle market
    • Consider Seattle's diverse, multicultural population when planning language support
  8. Monetization Strategy:
    • Develop a consistent monetization approach across both platforms
    • Consider Seattle's competitive app market when pricing or choosing between freemium and paid models
  9. Compliance and Security:
    • Ensure compliance with platform-specific regulations and Seattle's local data protection laws
    • Implement robust security measures to protect user data, especially important in a tech-hub like Seattle
  10. Continuous Integration and Deployment (CI/CD):
    • Implement efficient CI/CD pipelines to manage simultaneous development for both platforms
    • Utilize Seattle's advanced DevOps practices and tools for streamlined development

By carefully considering these factors, Seattle-based mobile app developers can create successful cross-platform applications that resonate with users on both iOS and Android devices. The city's rich tech ecosystem, including major players like Amazon and Microsoft, provides a wealth of resources and talent to support developers in this challenging but rewarding endeavor.



Seattle's mobile app developers employ various strategies to stay at the forefront of the rapidly evolving mobile landscape. Here are some key approaches they use to remain updated with the latest technologies and best practices:

  1. Continuous Learning and Education: Many developers in Seattle take advantage of online courses, webinars, and local workshops offered by tech giants like Amazon and Microsoft, which have a strong presence in the area. They also participate in coding bootcamps and pursue certifications in emerging technologies.
  2. Active Participation in Tech Communities: Seattle has a vibrant tech scene with numerous meetups, hackathons, and conferences. Events like the Seattle Mobile Meetup and the Pacific Northwest Software Quality Conference provide opportunities for developers to network, share knowledge, and learn about cutting-edge mobile technologies.
  3. Following Industry Leaders and Influencers: Developers stay informed by following thought leaders on social media platforms, subscribing to tech blogs, and reading publications like TechCrunch and Wired. Seattle-based mobile dev influencers and companies often share valuable insights and best practices.
  4. Experimentation with New Tools and Frameworks: Seattle's developers are known for their innovative spirit. They often set aside time to experiment with new development tools, frameworks, and SDKs to evaluate their potential for improving app performance and user experience.
  5. Collaboration and Knowledge Sharing: Many mobile app agencies in Seattle foster a culture of internal knowledge sharing through regular team meetings, code reviews, and mentorship programs. This ensures that insights and best practices are disseminated throughout the organization.
  6. Leveraging Local Tech Ecosystems: Seattle's proximity to major tech companies like Amazon, Microsoft, and Google provides unique opportunities for developers to attend product launches, developer days, and specialized training sessions.
  7. Open Source Contributions: Many Seattle-based developers actively contribute to open-source projects, which not only helps them stay updated but also allows them to shape the future of mobile technologies.
  8. Adopting Agile and DevOps Practices: Seattle's mobile app agencies often implement agile methodologies and DevOps practices, which encourage continuous learning and rapid adaptation to new technologies and market demands.

To illustrate the importance of staying updated, consider these statistics:

Metric Value Impact
Mobile app market growth rate 11.5% CAGR (2021-2026) Developers need to keep pace with expanding market opportunities
New mobile tech adoption 6-12 months average Rapid learning and implementation are crucial for competitiveness
Seattle tech workforce growth 6.7% YoY Increased competition drives the need for continuous skill development

By employing these strategies, Seattle's mobile app developers ensure they remain competitive in the global market while leveraging the unique advantages of the city's tech-forward ecosystem. This commitment to staying updated not only benefits the developers themselves but also ensures that clients receive cutting-edge solutions that incorporate the latest technologies and best practices in mobile app development.