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FastFlow

Full-stack development agency: mobile apps, websites, and custom portals. Lean team, direct process, code that stays yours.

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  • Accepting new projects
© 2026 FastFlow Agency. All rights reserved.
Crafted carefully in Boston.
Services

Apps that ship to the store

Native-quality iOS and Android apps — built with React Native/Expo, or fully native Swift/Kotlin when the project demands it — that are fast, stable, and ready for the App Store and Play Store.

  • React Native + Expo
  • Flutter
  • Swift / Kotlin
  • Push, billing, deep links
  • App Store + Play Store
Who it's for

Founders launching a mobile product, and companies that need an app customers actually keep on their home screen.

What's included
  • iOS + Android from one codebase (or fully native where it counts)
  • Offline support, push notifications, and deep links
  • App Store + Play Store submission and review handling
  • Analytics, crash reporting, and over-the-air updates
  • A tested, documented codebase that's yours to keep
Timeline

Most mobile MVPs ship in 4–6 weeks; richer apps run longer, in milestones.

Selected work
Related reading

Have an app in mind? Let's scope it.

[email protected]+1 (603) 479-2115
AxoLens app mockup on Android showing the home screen with property library, boundary import, and live flight view

AxoLens

Drone app that overlays property boundaries in real time

React Native vs. native: which should you build?
MVP vs. full build: which should you start with?