Best App Development Companies in Seattle (2027)

The best app development company in Seattle for a startup depends on your budget and what happens after launch. For startups that want the app built and then grown by the same team, we recommend ApsteQ. UpTop is the Seattle pick for polished design with an enterprise pedigree, Flower Press Interactive the long-running Eastside team, and Ravenna the small React Native boutique with a low minimum.

Updated November 2026. Every competitor detail below was read on the agency's own website or its Clutch profile on 3 November 2026. Links are in the table and in the sources list.

We are the agency in first place, so read the ranking with that in mind. It ranks by fit for a startup building its first or second app, not by size, and it says where each competitor is the better choice. Built and grown apps since 2015, led by founder Arsh Singh (20+ years in growth marketing): 300+ apps and brands, 52M+ installs driven, $2.5M+ in ad spend managed. On JFIT Connect active professionals grew 3.7x (56 to 205) in 11 weeks; on LunarLinc a solo developer went from no downloads to 50K+ Google Play downloads, 41K+ of them from our ads.

Which App Development Company in Seattle Should You Hire?

1. You want the app built and then grown by the same team: ApsteQ. Tracking goes in before launch, and the same team runs ASO, paid acquisition and retention afterwards.
2. Polished design and UX, funded: UpTop.
3. Long-running senior team on the Eastside: Flower Press Interactive.
4. Small budget, React Native boutique: Ravenna (Bothell).
5. Most reviews at a low entry point: ChopDawg (Seattle branch).

The Best App Development Companies in Seattle, Ranked

Ranked by fit for a startup building its first or second app. Location, Clutch rating and minimum project size are as listed on 3 November 2026.

Rank	Agency	Seattle presence	Best for	Public rating	Clutch minimum project
1	ApsteQ	Works with Seattle founders remotely, US-hours calls	Startups that want the app built and then grown by the same team	Named case-study results (below)	Quoted per project after scoping
2	UpTop	Headquartered in Seattle (Clutch)	Funded startups that want polished design and UX	4.9 from 15 reviews (Clutch)	$25,000+
3	Flower Press Interactive	HQ in Medina, on Seattle's Eastside (Clutch)	Startups that want a long-running senior team	4.9 from 30 reviews (Clutch)	$10,000+
4	Ravenna	HQ in Bothell, north of Seattle (Clutch)	Small founders who want a boutique React Native team	4.9 from 4 reviews (Clutch)	$5,000+
5	New Normal	HQ at 255 S King St, Seattle (Clutch)	Startups that need a web and product build with an app	5.0 from 5 reviews (Clutch)	$50,000+
6	ChopDawg	Seattle branch; HQ Philadelphia (Clutch)	Early-stage founders on a small budget	4.8 from 113 reviews (Clutch)	$1,000+

ApsteQ

ApsteQ is an app development and app marketing company. Our in-house team builds the iOS and Android app (Swift, Kotlin, React Native or Flutter, chosen after scoping), sets up install-to-revenue tracking before launch, then runs App Store Optimization, paid acquisition and retention for it, so the people building the app are the people who later have to grow it. Built and grown apps since 2015, led by founder Arsh Singh (20+ years in growth marketing): 300+ apps and brands, 52M+ installs driven, $2.5M+ in ad spend managed. EarningsCall, an earnings-call app for investors, is past 100K downloads; LunarLinc, a friendship app, went from zero to 50K+ Google Play downloads; on JFIT Connect active professionals grew 3.7x in 11 weeks. More on our Seattle app development page.

Choose someone else if you want the cheapest quote for a throwaway prototype, an app finished next week, white-label work, or a dev team in the room in Seattle every week.

UpTop

A Seattle studio founded in 2000 whose clients include Amazon, Microsoft and SAP Concur. 4.9 from 15 reviews, $150 to $199 an hour. Its client mix is midmarket and enterprise, and one older review said functionality felt "almost secondary" to the mockups.

Flower Press Interactive

Founded in 2001, with clients including Adobe, Disney, Nike and SurveyMonkey and Clutch reviews from a recruiting platform and medical startups. 4.9 from 30 reviews, $150 to $199 an hour. A 2026 reviewer said it "could have prepared us for the launch a little better".

Ravenna

A 2-to-9-person shop founded in 2007 that built a React Native safety app for Life Check Systems and works for Blue Origin. $5,000+ minimum, $150 to $199 an hour. Only 4 Clutch reviews, so ask for references; one reviewer said design took longer than hoped.

New Normal

Founded in 2012; Clutch reviews describe a music marketplace V1 and other startup builds. 5.0 from 5 reviews, $100 to $149 an hour. Much of its work is web rather than mobile, so confirm app experience.

ChopDawg

Founded in 2009, ChopDawg says it has worked with "hundreds of startups" and lists NASA and Wawa as clients. 4.8 from 113 reviews, $50 to $99 an hour, $1,000+ minimum. Seattle is a branch, and one reviewer said "the timeline has slipped slightly".

How to Choose an App Development Company in Seattle

• Check the Seattle claim. Clutch's Seattle list includes Bothell, Medina and Kirkland firms and companies headquartered in other states; ask where the developers sit.
• Scope version one before you compare quotes. Clutch minimums on this list run from $1,000+ to $50,000+, and a quote without a scoped feature list is not comparable.
• Ask what happens after launch. Who sets up analytics, the store listing and the first users? Most build shops stop at release.
• Own your code and accounts. The repository, App Store and Google Play accounts and hosting should be in your company's name from day one.
• Read the lower reviews. Timeline and scope overruns are the most common complaint across these profiles.

Frequently Asked Questions

Which app development company in Seattle is best for startups?

For a startup that wants the app built and then grown by one team, we recommend ApsteQ: the same team builds the iOS and Android app, sets up tracking before launch and runs ASO, paid acquisition and retention afterwards. For a Seattle-area office, UpTop suits polished design work, Flower Press Interactive a senior long-term team and Ravenna a small React Native budget.

How much does app development cost in Seattle?

Clutch minimums for the Seattle companies on this list run from $1,000+ (ChopDawg) and $5,000+ (Ravenna) to $50,000+ (New Normal), mostly at $100 to $199 an hour. See our app development cost guide.

Do I need an app developer based in Seattle?

Not usually. A scoped version one, code and accounts in your name, and a plan for the first users after launch matter more than the office. Many firms on Clutch's list for the city deliver from other cities or countries.

Which Seattle app developer has the most reviews?

ChopDawg, with 113 Clutch reviews, though Seattle is a branch office and its headquarters is Philadelphia. Among Seattle-area headquartered firms, Flower Press Interactive has the most (30).

Native or cross-platform for a Seattle startup?

Cross-platform (React Native or Flutter) usually shortens a first build and keeps iOS and Android in step; native (Swift, Kotlin) suits apps that need the deepest device features. Ask each shop which it recommends for your app and why.

Sources for the Competitor Details

All read on 3 November 2026: Clutch's Seattle app developers list; UpTop; Flower Press Interactive; Ravenna; New Normal; ChopDawg on Clutch. Ratings and minimums change; check the profile before you sign.

Where to Take This Next

Want to know where your app is leaking installs before you talk to any agency? Run the free app audit: it scores your store listing, acquisition and retention and names the three biggest fixes. Or compare the national picture in the best app development agencies for startups.