Stack46 builds cross-platform apps that feel native on iOS and Android, using React Native, Flutter and Expo. We handle design, development, store submission and ongoing maintenance — backed by the same full-stack backend that powers the FourSix46 ecosystem.
Book a Free Scoping CalliOS & Android apps from one codebase
Offline-first data sync
Push notifications & deep links
App Store & Play Store submission
OTA updates
Post-launch monitoring & support
Platform strategy, feature scope and store-review requirements mapped up front.
Native-feeling UI prototyped and validated before a line of code is written.
Senior engineers ship a tested, performant app on a clean, maintainable architecture.
Store submission, release, OTA updates, and post-launch monitoring.
Mobile builds are typically Fixed-Price for a defined scope; ongoing work moves to a Retainer.
React Native when your team already knows React or you need deep native module access; Flutter when you want a single high-performance codebase with pixel-consistent UI across platforms. Stack46 picks based on your product, not habit.
Typically 8–16 weeks — a focused MVP can ship in around 8 weeks, while a full app with offline sync, push and a custom backend usually takes 12–16.
Yes. Stack46 handles the full submission and release process for both the Apple App Store and Google Play, including store listings and review requirements.
Yes. Stack46 is full-stack — we build the app and its backend together on Node.js, GraphQL and cloud infrastructure, so one system powers everything.
Yes. We build apps on top of your existing APIs and database, sharing one backend across web and mobile so data and logic stay consistent.
Yes. With over-the-air (OTA) updates we can ship fixes and improvements to live apps instantly, without waiting on a full App Store or Play Store review.
