Top 50 iPhone Applications Development Companies in Seattle
March 2023Looking for a top iOS app agency in Seattle?
iPhone developers are crucial for engaging the U.S. market. Finding the best one to develop your app, though, is challenging.
To assist you in your search for a partner, we’ve compiled this list of the top iphone applications development companies in Seattle. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Seattle iOS App Developers
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1
- $25,000+
- 10 - 49 employees
- Seattle, WA
Zazz is a Seattle-based mobile app development company founded in 2011. They have an additional office in San Francisco. Their team of approximately 50 employees serves clients of all sizes and industries. In addition to app development, they also specialize in enterprise app modernization and UX/UI design.
Clients
- Inclose
- Ideal Smart
- Sparehandz
Industries
Visit SiteNotable Project
Zazz has designed a mobile application for an employee wellness and fitness company. They’ve used Figma for the design, and they’re currently working on development using React Native, MongoDB, and Node.js.
“We like that Zazz cares about the details. They’re great at explaining everything they’re doing.”
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2
- $25,000+
- 50 - 249 employees
- Seattle, WA
Headquartered in Redwood City, Calif., Master of Code Global specializes in design and development for web, mobile, and chatbot solutions. Founded in 2004, they also have offices in Denver, Seattle, San Francisco, Winnipeg, Canada, Cherkasy, Ukraine, and Kiev. The team of over 130 has experience with artificial intelligence (AI) technologies and app development for enterprise and midmarket clients.
Clients
- Mercedes-Benz Bank
- YouVersion
- eBags
- TrapTap
Industries
Visit SiteNotable Project
Master of Code Global helped a marketing firm implement an in-platform contest. They developed a chatbot that allowed users to participate in the event and engage with the client.
"They were able to address our questions and concerns quickly."
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3
- $25,000+
- 10 - 49 employees
- Issaquah, WA
Since its founding in 2010, Inventive Mobile has been dedicated to mobile app development. Their small but expert team completed over 30 projects for both Android and iOS with over 10 million downloads.
Clients
- Intel
- Xerox
- Best Buy
- DoubleDown Interactive
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Inventive Mobile developed a landing page and is working from user flows to produce a mobile app for a sports mentorship startup that allows aspiring athletes to communicate with professionals in their field.
"I really appreciate their willingness to truly understand my goal and listen to my ideas."
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4
- $1,000+
- 2 - 9 employees
- Seattle, WA
A digital marketer based in San Francisco, Randy McCabe offers SEO, PPC, and digital strategy services. They were founded in 2018.
Clients
- Morgan Stanley
- Huawei
- NameSilo
- RE/MAX
Industries
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Exo Agency has developed the website of a foundation repair company. They've also helped the client rank on the first page of Google through their efforts. The team has also managed the client's PPC campaigns.
"Randy is extremely specialized in his field."
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5
- $5,000+
- 10 - 49 employees
- Seattle, WA
Slashdev is a small software development company. The Winter Park, Florida-based company was established in 2021. Their services include custom software development, web development, mobile app development, wearable app development, and more.
Industries
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Slashdev helped develop an iOS app for a large Swedish bank by recruiting and assigning a software engineer to build, maintain, and improve the mobile platform.
"The best recruiter we've worked with."
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6
- $25,000+
- 10 - 49 employees
- Seattle, WA
Founded in 2000, UpTop specializes in UI/UX design but also shines in web and mobile app development. Their team of 50+ are passionate about solving complex problems and increasing revenue for their clients.
Clients
- Amazon
- Microsoft
- CenturyLink
- F5
Industries
Visit SiteNotable Project
UpTop developed a client portal and ran project management for an arbitration and mediation firm. They tailored the platform to three audience groups, designed the frontend, and handled integrations.
"They came up to speed extremely quickly to understand this industry and design the portal would require."
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7
- $25,000+
- 50 - 249 employees
- Bellevue, WA
MSOFT (formerly MediaSoft.team) is a Washington State, software development firm with an office in Bellevue, Seattle area. Founded in 2014, MSOFT (formerly MediaSoft.team) team of over 270 employees specializes in custom software, website, and mobile app development for enterprise clients. MSOFT (formerly MediaSoft.team) has partners in a variety of industries including Retail, GameDev, and FinTech.
Clients
- Zdravcity
- CarPrice
- Moio Delo
- Svaznoy Travel
Industries
Visit SiteNotable Project
MSOFT (formerly MediaSoft.team) developed a mobile app, as well as the technology to connect a vast database of content to the app. They also implemented the graphic design.
"During the development process, they came up with a number of new ideas that greatly improved the app."
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8
- $10,000+
- 10 - 49 employees
- Medina, WA
A full-service digital design and development agency, Flower Press Creative Studio takes on mobile app, web, and custom software development projects. Founded in 2001, the small team of 6 is headquartered in Seattle and also has experience in UI/UX design.
Clients
- Insurance Lounge
- Brown Bear Car Wash
- Geek Girl Careers
- World Perspectives
Industries
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A medical device firm had an outdated site, and they hired Flower Press Creative Studio, LLC to create their WordPress site. The site featured the company's description, contact form, and downloadable brochure.
"Their efficiency was their strong point."
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9
- Undisclosed
- 50 - 249 employees
- Seattle, WA
Smashing Ideas is a mobile app development company that offers an array of services such as UI/UX design, web design, data strategy and analytics, and quality assurance and testing. Since its founding in 1996, Smashing Ideas has grown to over 50 employees who are passionate, curious, and creative.
Clients
- ReachNow
- Philips
- Johnson Controls
- Sony Pictures Television
Visit SiteNotable Project
Smashing Ideas developed mobile applications which could be used for a news outlet's weather broadcasting. Their work remains ongoing.
"The part where Smashing Ideas just rocks is creating an idea that they can execute well on."
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10
- Undisclosed
- 50 - 249 employees
- Bellevue, WA
Founded in 2010, WaferWire Cloud Technologies is located in Bellevue, Wash. Their team of about 50 employees provides web design, graphic design, and ERP consulting and SI services.
Clients
- Treasury Curve
- Jamaica's Forestry Department
- World Vision
- Gazprom
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WaferWire Cloud Technologies created a dispatching software solution that consisted of a web-based app and a mobile app. The solution supported a car dealership's managers and film installers.
"It was cost-effective, and we received a good end result!"
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11
- Undisclosed
- 10 - 49 employees
- Seattle, WA
SB Develops is a development agency based in Seattle with no more than 10 experts. They specialize in web development, mobile app development, and UX/UI design solutions for clients that work in the industries of consumer products, IT services, and more.
Clients
- Cuddle Lock
Industries
Visit SiteNotable Project
SB Develops provides ongoing software development for a stroller renting platform. The team provided the wireframes, developed the frontend and the UI/UIX, and applied all the client's requests.
"Their communication and project management was excellent which sped up the development process."
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12
- $10,000+
- 2 - 9 employees
- Seattle, WA
Montana Banana’s skill in full-service web and mobile app development has yielded results for clients since 1996. In addition to an office in Seattle, WA, the team of 5 also has a presence in Pasadena, CA. The development company stands out in web, mobile app development, and e-commerce development, as well as design.
Clients
- ESS Eye Pro
- Apex Learning Virtual School
- Bellmont Cabinet Co.
- Buck and Buck
Industries
Visit SiteNotable Project
Montana Banana provided additional web development support for an e-commerce Magento platform, incorporating custom features and tools built outside of Magento as needed.
“Their level of professionalism in the face of difficult situations really sets them apart.”
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13
- $25,000+
- 50 - 249 employees
- Seattle, WA
Founded in 2000, Blink UX has almost 20 years of experience in the IT sector. True to their name, Blink UX specializes in UX/UI design but also offers mobile and web development, research, strategy, and design services.
Clients
- Amazon
- NASA
- Apple
- Disney
Industries
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Blink UX designed an e-commerce website, condensing several branch URLs into one comprehensive site. They worked on UX, UI, content development, and stakeholder research before providing a spec to developers.
"They did really great, especially when things were outside of scope. The project got very complex."
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14
- $5,000+
- 50 - 249 employees
- Seattle, WA
INFINITE ART SOLUTIONS is a graphic design company launched in 2014. The firm offers graphic design, mobile app development, ux/ui design, and AR/VR development and has a midsize team. The firm is located in Seattle, Washington.Visit SiteIndustries
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15
- Undisclosed
- 10 - 49 employees
- Seattle, WA
Founded in 2008, 8ninths is a Seattle-based augmented and virtual reality (AR/VR) solutions company. The team of 13 also provides mobile and web development, UI/UX design, and strategy.
Clients
- NASA
- Microsoft
- Toyota
- Holland America Line
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8ninths worked on innovative branding and interactive experiences for Microsoft. The goal was to enhance user engagement and increase participation. The team worked on various projects as needed.
"We felt a lot of the work we did with them was some of the coolest and sexiest pieces of the campaign."
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16
- $100,000+
- 250 - 999 employees
- Seattle, WA
Founded in 2014, PYCOGroup is a development firm. Their team of around 370 employees is based in Brussels, with an additional office around the globe. They focus on custom software, web, and mobile app development.
Clients
- Microsoft
- American Express
- Volkswagen
- Coach
Industries
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PYCOGroup designed and developed a government-funded mobile app to promote travel. While the internal team focused on the database and API, PYCOGroup focused on everything else, including delivery.
"The workflow was very fluid, efficient, and professional on PYCOGroup's side."
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17
- $5,000+
- 50 - 249 employees
- Bellevue, WA
Tech Pathway is a web development firm. Established in 2017, the midsize agency is located in Jaipur, India and Bellevue, Washington. Their team focuses on web development, mobile app development, and e-commerce development.Visit SiteIndustries
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18
- $5,000+
- 10 - 49 employees
- Seattle, WA
Founded in 2017, Fenyx Studio is an application development company. The firm provides mobile app development, web development, and custom software development and has a small team. The firm is in Santa Monica, California and Seattle, Washington.Visit SiteIndustries
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19
- $25,000+
- 250 - 999 employees
- Seattle, WA
Neudesic is a technology company with offices in Irvine, CA, Atlanta, GA, Chicago, IL, Irving and Houston, TX, Denver, CO, Las Vegas, NV, Exton, PA, Tempe, AZ, Portland, OR, New York, and India. It specializes in big data consulting, custom software development, cloud consulting, and mobile app development. The agency of more than 800 employees was founded in 2002. Most clients work in the healthcare, energy, and gaming industries.
Clients
- Microsoft
- SRP
- Kelley Blue Book
- Whole Foods
Industries
Visit SiteNotable Project
Neudesic provided Azure development staff augmentation for a legal services company. The team helped move and transform the client's data using Azure Data Factory, in order to build Power BI dashboards.
"Their programmers were top-notch."
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20
- $10,000+
- 10 - 49 employees
- Seattle, WA
Helpful Human is a development agency based in Seattle. Since 2013, their team of 15 has been specializing in web design and development, mobile app development, and UX/UI design. They work primarily with small businesses in the information services and business services industries.
Clients
- Rudy's
- naturewise
- Elm Coffee Roasters
- Holland America Line
Industries
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Helpful Human provides custom software development services for an aerospace consulting services company. They are helping the client develop an advanced production scheduling software.
"They are highly dynamic and have a great level of technical knowledge to support our requirements."
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21
- $5,000+
- 10 - 49 employees
- Kirkland, WA
Based in Kirkland, Wash., ITIRRA is a boutique technology consulting firm. Since 2008, their team of 12 has been specializing in web development, mobile app development, IT strategy consulting, and more.
Clients
- Sports Aptitude
- ADURO
- Vitagramma
- AIDA Healthcare
Visit SiteNotable Project
A healthcare solutions company hired ITIRRA for their development services. The client wanted to improve the efficiency of case management with a digital solution. The first version of the product is live.
"There is the fact that they think outside of the box; they’re not a ‘yes sir’ type of developer."
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22
- $100,000+
- 50 - 249 employees
- Seattle, WA
Carbon Five is a software development firm. Established in 2000, the midsize company is located in San Francisco, California; Santa Monica, California; Chattanooga, Tennessee and New York, New York. Their services include custom software development, mobile app development, web development, web design, and more.Visit SiteIndustries
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23
- $50,000+
- 50 - 249 employees
- Seattle, WA
Wunderman Thompson Mobile is a midsize UX design agency. Located in Denver, Colorado; Atlanta, Georgia; Seattle, Washington and New York, New York, the firm was established in 2008. Their services include ux/ui design, mobile app development, application management & support, AR/VR development, and more.Visit SiteIndustries
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24
- $10,000+
- 1,000 - 9,999 employees
- Seattle, WA
Possible is a global digital marketing agency founded in 2011. It provides mobile app development, UX/UI design, social media marketing, digital strategy, and content marketing. The agency has offices in LA, Seattle, Atlanta, Cincinnati, Denver, New York, and Portland. International branches include Singapore, China, Costa Rica, Brazil, Germany, Romania, Poland, Hungary, Argentina, Russia, and the UK. Possible employs over 1200 staff across these 19 locations.
Clients
- Microsoft
- Coca-Cola
- the Bill & Melinda Gates Foundation
- Adidas
Industries
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Possible was hired by an airline to create a consumer-facing mobile app. The app is available for iOS and Android and to improve travelers' flight booking, check-in, and boarding processes. The app has over 5.5 million downloads and won several awards.
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25
- $50,000+
- 50 - 249 employees
- Seattle, WA
Substantial, a digital strategy company, was launched in 2006. They are located in Seattle, Washington and have a midsize team. Their services include digital strategy, mobile app development, web design, and web development.Visit SiteIndustries
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26
- $5,000+
- 2 - 9 employees
- Seattle, WA
Aptium is an Ellensburg, Washington-based web development firm. The small team specializes in web development, custom software development, mobile app development, and ux/ui design and was launched in 2021.
Visit SiteClients
- Believe Ventures
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27
- $10,000+
- 10 - 49 employees
- Seattle, WA
Established in 2005, Palador is a custom software development firm. Based in Seattle, Washington and Yogyakarta, Indonesia, their small team offers custom software development, enterprise app modernization, ux/ui design, web development, and more.Visit SiteIndustries
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28
- $50,000+
- 50 - 249 employees
- Seattle, WA
Launched in 2009, GenUI is a cloud consulting & SI company. The company offers cloud consulting & SI, mobile app development, web development, ux/ui design, and more and has a midsize team. The company is based in Seattle, Washington.Visit SiteIndustries
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29
- $1,000+
- 10 - 49 employees
- Seattle, WA
Moby is an user experience agency. They are headquartered in Seattle, Washington and have a small team. Their services include ux/ui design, mobile app development, product design, web development, and more.Visit Site -
30
- $25,000+
- 10 - 49 employees
- Seattle, WA
Elite Crest Technologies is an artificial intelligence firm headquartered in Seattle, Washington and Madhapur, India. The small team specializes in Artificial Intelligence, IoT development, mobile app development, AR/VR development, and more. The agency was launched in 2011.Visit Site
