Custom app development, built to last
Keepport designs and builds iPhone and Android apps for US small and mid-size businesses at a fixed price, starting at $18,500, delivered in six to ten weeks. Every build starts from a proven template for your industry, is designed in your brand, includes one integration and store submission, and comes with 60 days of maintenance. You own the code and the store accounts from day one.
What's included
Launch tier. Growth tier with custom screens, 2–3 integrations and payments or loyalty logic usually adds $8,000 to $15,000. Custom scope is quoted after the App Plan.
- iPhone and Android from one React Native or Flutter codebase
- Design in your brand, approved on your phone before development
- Admin dashboard for content, orders or bookings
- One integration: POS, booking, payments or CRM
- App Store and Google Play submission, listings and screenshots
- Weekly working builds from week three
- 60 days of Care Essential after launch
- Repository, store accounts and design files in your name
Not included
- Apple developer fee ($99 a year) and Google Play fee ($25 once)
- Third-party costs such as SMS, maps or payment processing
- Hosting beyond the first month (typically $20 to $80 a month)
- Custom illustration or photography
How it works
Plan
A 30-minute call, then a one-page scope with a fixed price and dates. Optional two-week App Plan with a clickable prototype.
Design
Every screen in your brand. You approve on your phone before we write code.
Build
One codebase for both platforms. Weekly demo, working build on your phone from week three.
Launch
We handle store review, listings and screenshots. Care Plan starts the day you go live.
Written scope within two business days of the first call. No obligation.
Questions business owners ask us
If yours is not here, call. It is faster than a form.
How much does custom app development cost?
Native or cross-platform?
How long does it take?
What if I want changes after launch?
Who owns the code?
Other services
Ongoing app maintenance and support
Monthly app maintenance for iOS and Android: OS updates, store compliance, monitoring and fixes with a named engineer. From $495 a month.
$495 / $1,250 / $2,750 a month App rescueInherited an app? We'll take it over.
Developer disappeared or an update broke your app? Keepport audits it in a week for $3,500, stabilizes it and keeps it running.
Audit $3,500, stabilization from $4,500 App PlanValidate the idea before you build
Two-week App Plan for $4,500: market research, feature scope, clickable prototype and a fixed-price quote. Credited in full to your build.
$4,500 fixed React NativeReact Native app development
US-based React Native app development for small businesses: one codebase for iPhone and Android, fixed price from $18,500, maintained monthly.
from $18,500 FlutterFlutter app development
US-based Flutter app development for small businesses: one Dart codebase for iPhone and Android, fixed price from $18,500, maintained monthly.
from $18,500