Top 10+ Mobile App Development Companies in Seattle, WA | App Developers Seattle 2026
Last Updated 03rd September 2026 | Category: Top App Development FirmsThe List of Top 10+ Mobile App Development Companies In Seattle, Washington | Top App Developers Seattle, WA September 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
|
Since 2011, Hyperlink InfoSystem has operated as a technology services provider. Hyperlink InfoSystem focuses on Mobile App Development. Hyperlink InfoSystem employs 1000+ people. Clients can expect pricing around < $25/hr, with projects averaging about $100,000. Overall, Hyperlink InfoSystem is one of the options worth shortlisting for a technology project.
Details
| Founded: | 2010 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $10,000+ |
| Ratings: |
4.8
6 Reviews
|
Since 2010, Dogfish Software has operated as a technology services provider. Dogfish Software works across web, mobile, and custom software development. Dogfish Software employs 10 - 49 people. Clients can expect pricing around $100 - $149/hr, with projects averaging about $5,000,000. Overall, Dogfish Software is one of the options worth shortlisting for a technology project.
Details
| Founded: | 2011 |
|---|---|
| Hourly Rates: | $150 - $199 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $100,000+ |
| Ratings: |
4.7
6 Reviews
|
Moby has been in business since 2011, delivering technology projects for clients. The company's main offerings are Mobile App Development. Moby employs 10 - 49 people. Clients can expect pricing around $150 - $199/hr, with projects averaging about $100,000. Overall, Moby is one of the options worth shortlisting for a technology project.
Details
| Founded: | 2000 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $5,000,000+ |
| Ratings: |
4.4
6 Reviews
|
Since 2000, UpTop has operated as a technology services provider. UpTop takes on projects ranging from websites to mobile apps to custom software builds. Its team includes 10 - 49 specialists working across design, development, and delivery. Typical hourly rates run around $100 - $149/hr, with an average project cost near $50,000. This gives a quick snapshot of what to expect when working with UpTop.
Details
| Founded: | 1996 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $50,000+ |
| Ratings: |
4.2
7 Reviews
|
Montana Banana is a software development company that turns ideas into working products. The company's main offerings are Mobile App Development. The company operates with a team of 2 - 9 professionals. Typical hourly rates run around $100 - $149/hr, with an average project cost near $25,000. This profile is a starting point — reach out to Montana Banana directly to discuss project specifics.
Details
| Founded: | 2010 |
|---|---|
| Hourly Rates: | $100 - $149 |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $5,000,000+ |
| Ratings: |
4.5
7 Reviews
|
Since 2010, Y-Designs, Inc has operated as a technology services provider. Y-Designs, Inc focuses on Mobile App Development. The company operates with a team of 2 - 9 professionals. Typical hourly rates run around $100 - $149/hr, with an average project cost near $2,500,000. Overall, Y-Designs, Inc is one of the options worth shortlisting for a technology project.
Details
| Founded: | 2001 |
|---|---|
| Hourly Rates: | $150 - $199 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $100,000+ |
| Ratings: |
4.5
8 Reviews
|
Mercury Creative is a software development company that turns ideas into working products. Their core services include Mobile App Development. Its team includes 10 - 49 specialists working across design, development, and delivery. Clients can expect pricing around $150 - $199/hr, with projects averaging about $2,500,000. Overall, Mercury Creative is one of the options worth shortlisting for a technology project.
Details
| Founded: | 2008 |
|---|---|
| Hourly Rates: | $150 - $199 |
| Employees: | 10 - 49 |
| Avg. Project Cost: | $100,000+ |
| Ratings: |
4.4
6 Reviews
|
8ninths is a software development company that turns ideas into working products. The company's main offerings are Web Development and Mobile App Development. Its team includes 10 - 49 specialists working across design, development, and delivery. Typical hourly rates run around $150 - $199/hr, with an average project cost near $25,000. This profile is a starting point — reach out to 8ninths directly to discuss project specifics.
Details
| Founded: | 2000 |
|---|---|
| Hourly Rates: | $150 - $199 |
| Employees: | 50 - 249 |
| Avg. Project Cost: | $2,500,000+ |
| Ratings: |
4.4
7 Reviews
|
Blink UX has been in business since 2000, delivering technology projects for clients. The company's main offerings are Mobile App Development. The company operates with a team of 50 - 249 professionals. Typical hourly rates run around $150 - $199/hr, with an average project cost near $5,000,000. This gives a quick snapshot of what to expect when working with Blink UX.
Details
| Founded: | 2004 |
|---|---|
| Hourly Rates: | $50 - $99 |
| Employees: | 50 - 249 |
| Avg. Project Cost: | $2,500,000+ |
| Ratings: |
4.5
6 Reviews
|
Boston Technology Corporation has been in business since 2004, delivering technology projects for clients. Their work spans web development, mobile apps, and custom software projects. Boston Technology Corporation employs 50 - 249 people. Typical hourly rates run around $50 - $99/hr, with an average project cost near $5,000,000. This profile is a starting point — reach out to Boston Technology Corporation directly to discuss project specifics.
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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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