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Top iOS App Development Companies in Seattle, WA

We've found the best
iOS App Development Companies
 for you.

Looking for the best iOS app development company in Seattle? UpCity compiles authentic reviews, company descriptions, project examples, and more into a list for you to review. Feel confident you're finding the top provider for your business.

UpCity offers objective, independent research and verified user reviews. We earn compensation from some providers who sign up for sponsored profiles. Learn more about our trusted providers.

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Businesses provider works with
Any/All Available
Small Businesses: 1–250 employees
Medium Businesses: 251–999 employees
Enterprise Businesses: 1000+ employees
Provider's minimum per-project cost
Any/All Available
Up to $10,000
Up to $25,000
$25,000 or more
Provider's minimum retainer cost
Any/All Available
Up to $500, monthly
Up to $5,000, monthly
$5,000 or more, monthly
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6 Provider(s)Last Updated: April 24, 2025
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Services
Software DevelopmentJava DevelopmentMobile App DevelopmentView all
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Business Summary:
New Normal is your Seattle-based development and UX solution. We’ve delivered custom software for clients in eCommerce, aerospace, fin tech, travel, health care, and manufacturing. Let's talk about what you need to do.
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Industry(s):
Finance | Government | SaaS | Restaurant | Real Estate | Non-Profit
Business Details
Businesses provider works with
Small, Medium, Enterprise
Provider's minimum per-project cost
$25,000 or more
Provider's minimum retainer cost
$5,000 or more, monthly
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Services
Software DevelopmentWordPress DevelopmentMobile App DevelopmentView all
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Business Summary:
Montana Banana designs and develops Internet strategies for corporate, e-commerce and entertainment based clients. We have offices in Seattle, WA and Los Angeles, CA but design products for clients around the world.
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Industry(s):
SaaS | E-Commerce | Business Services
Business Details
Businesses provider works with
Small, Medium
Provider's minimum per-project cost
$5,000 or more
Provider's minimum retainer cost
Less than $500, monthly
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UpCity National Excellence Award Winner - An illustration of a thropy with a star.
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Services
Commercial Video ProductionTwitter MarketingInstagram MarketingView all
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Business Summary:
Our sights are set on strategy, design, storytelling, and creating an impact. Lifestyle brands to tech, startups to venture capitalists, professional services to professional sports—we dig down to build up.
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Industry(s):
Attorneys | Construction | E-Commerce | Entertainment | Food/Beverage | Business Services
Business Details
Businesses provider works with
Small, Medium, Enterprise
Provider's minimum per-project cost
$10,000 or more
Provider's minimum retainer cost
$2,000 or more, monthly
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Services
Mobile App DevelopmentiOS App DevelopmentAndroid App DevelopmentView all
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Business Summary:
Sandcastle Web Design & Development is a full-service web design & development agency with a wealth of technical experience and a personalized approach to each project. We have 2+ decades of experience in web design, e-commerce, custom application development, mobile apps and digital marketing.
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Industry(s):
Business Services | E-Commerce | Entertainment | Finance | Food/Beverage | Industrial
Business Details
Businesses provider works with
Small, Medium
Provider's minimum per-project cost
$5,000 or more
Provider's minimum retainer cost
Less than $500, monthly
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Services
Mobile App DevelopmentiOS App Development
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Business Summary:
We assist worldwide businesses to design and develop exceptional digital solutions that provide a consistent user experience throughout all advanced platforms and devices.
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JCMobTech

Seattle, WA, US
Services
iOS App Development
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Business Summary:
IF YOUR PLANS DON’T INCLUDE MOBILE APP YOUR PLANS ARE NOT FINISHED
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