Top 10+ Mobile App Development Companies in Seattle, WA | App Developers Seattle 2026
Last Updated 14th August 2026 | Category: Top App Development FirmsThe List of Top 10+ Mobile App Development Companies In Seattle, Washington | Top App Developers Seattle, WA August 2026
1. Hyperlink InfoSystem
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Details
| Founded: | 2011 |
|---|---|
| Hourly Rates: | < $25 |
| Employees: | 1000+ |
| Avg. Project Cost: | $100,000+ |
| Ratings: |
5.0
497 Reviews
|
At Hyperlink InfoSystem, they take treasure in serving their strong company culture. They have an experienced equipment of technical professionals that have expertise in the advanced mobile & web technologies, allowing varied information technology solutions to their global business clients. They have many skills & processes that have affected their success. Their aim is to see all their marketing partners get result & set themselves aside from others. Their team members have the skills and technical expertise to beat all of your expectations. They provide the greatest quality mobile app development services at affordable rate. They are always one step forward to make new plans for the future with the help of the new technology.
Details
| Founded: | 2010 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $10,000+ |
| Ratings: |
4.8
6 Reviews
|
They know the ever-changing technology situation and can lead you to the best solution for your business. They combine change with proven technology standards to develops experiences that match your brand and expertise. They change your idea into a compelling user experience for your clients. It has the experience to develop strong, innovative solutions for every platform.
Details
| Founded: | 2011 |
|---|---|
| Hourly Rates: | $150 - $199 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $100,000+ |
| Ratings: |
4.7
6 Reviews
|
Moby is a research & development company that designs and develop amazing mobile apps. Their mobile apps are obtained by smartphones & tablets. They have technically experienced mobile app developers to develop customer-friendly mobile apps. They like considering their customer’s views and converting them into actual apps. They provide full customer comfort and try to have a long-term business relationship.
Details
| Founded: | 2000 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $5,000,000+ |
| Ratings: |
4.4
6 Reviews
|
UpTop is a software development company that develops digital skills extending from web to mobile and away. They love to resolve complex problems. They try to deliver value to their clients, their company, and their associates. They think that they have the expertise to build your mobile application. They are growing and looking for people who are dreamy and have the enthusiasm to take an approach and set it in action.
Details
| Founded: | 1996 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $50,000+ |
| Ratings: |
4.2
7 Reviews
|
Established in 1996, it is a full-service mobile app development company based in Seattle. They are resolution specialists who leverage technology to support companies meet their different goals. They have a well-developed method that keeps their projects streamlined, on a budget, and on record. They think that design is a plan for action.
Details
| Founded: | 2010 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $5,000,000+ |
| Ratings: |
4.5
7 Reviews
|
Y-Designs is a digital & creative company. They are dedicated to doing great work & providing on time. They are dedicated to doing great work & providing on time. They deliver mobile apps that are app store ready and have a good functionality. They have demonstrated expertise in producing world-class apps on time and on budget. They design and develop complete startups, mobile apps and database systems in extension to dynamic websites.
Details
| Founded: | 2001 |
|---|---|
| Hourly Rates: | $150 - $199 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $100,000+ |
| Ratings: |
4.5
8 Reviews
|
It is a digital company that helps companies encourage client commitment. They bring collectively exceptional design, technology, and market power to build and expand digital, marketing and product strategic plans. They provide you dedicated mobile app developers who produce latest mobile applications for all OS at affordable rates. They develop user experience driven, scalable mobile apps.
Details
| Founded: | 2008 |
|---|---|
| Hourly Rates: | $150 - $199 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $100,000+ |
| Ratings: |
4.4
6 Reviews
|
8ninths is a leading software development company. They wanted to see all of their clients succeed, not just trade them development. They are a Platform & Services company centered on allowing their clients to search and gain new power from AR & VR. They solve difficult problems with productive strategy & expressive developing. They would love to make your experience and chat about your project.
Details
| Founded: | 2000 |
|---|---|
| Hourly Rates: | $150 - $199 |
| Employees: | 50 - 249 |
| Avg. Project Cost: | $2,500,000+ |
| Ratings: |
4.4
7 Reviews
|
It is a Seattle based mobile app development company. They hold great insight. They are imaginative, collaborative, genuine and always do with honor. Their client’s trust them, and they trust each other. They come to work every day as they love what they do, and they have the great opportunities to do what they like. They see expressed and latent user requirements, motivations, and behaviors during the product development method.
Details
| Founded: | 2004 |
|---|---|
| Hourly Rates: | $50 - $99 |
| Employees: | 50 - 249 |
| Avg. Project Cost: | $2,500,000+ |
| Ratings: |
4.5
6 Reviews
|
Boston Technology Corporation makes digital compact and business value for clients through enterprise mobile, web and cloud-based app development. Their approach shows how they plan & think. Connecting with you, they get teams over methods to design & develop great digital products. They first listen, learn and then present. They have a wide range experience to develop outstanding mobile applications.
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Got questions about our specialized technology solutions? We have the answers to help you make informed decisions.
The gap usually shows up after the contract is signed, not before. A merely competent App Development company in Seattle builds what's in the spec; a genuinely great one pushes back when the spec is wrong, flags a scaling problem before it becomes expensive, and treats your product like something they have a stake in. That difference rarely shows up in a sales pitch — it shows up in how a firm's past clients talk about working with them months after launch.
Working with a App Development company in Seattle usually comes down to a straightforward trade: strong technical talent at a price point that's hard to match in higher-cost markets, without the coordination overhead of a fully remote, no-local-presence vendor. Teams based in Seattle tend to understand both the practicalities of international client work and the local hiring market, which shows up in smoother onboarding and fewer surprises around contracts and invoicing.
Rates for App Development developers in Seattle spread out quite a bit depending on seniority — junior developers sit at one end, senior engineers and architects at the other, with company size and specialization shifting things further. What tends to hold across the board is that App Development developers in Seattle come in noticeably cheaper than comparable talent in the US or Western Europe, without a proportional drop in the quality of work.
A App Development company applies for inclusion in the Seattle directory by submitting a full profile — case studies, references willing to be contacted, and any relevant certifications — which our team reviews before it goes live. Once listed, staying active and collecting genuine client reviews over time is what improves visibility; a profile that's set up once and never touched again tends to fall behind.
A good App Development company in Seattle won't make you ask for updates — you should have standing access to a task board, regular written progress notes, and visibility into a staging environment where you can see the work as it's built, not just at the end of a sprint. If a firm treats this kind of access as an inconvenience rather than standard practice, take that seriously before signing anything longer-term.
Listen to what they ask about before they start talking solutions. A App Development company in Seattle genuinely focused on outcomes will want to understand your users, your revenue model, and your competitors before proposing anything technical. One that jumps straight to a timeline and a quote without asking those questions is optimizing for winning the deal, not for whether the thing they build actually works for your business.
The highest-rated App Development companies in Seattle usually earn that position through a combination of solid technical delivery and genuinely good communication — the two rarely show up separately in strong reviews. Look past the aggregate star rating and read a handful of full reviews; specific, detailed praise about how a project actually went is a far better signal of which App Development company in Seattle will be a good fit than a number alone.
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