RainbowSoft
Service

Mobile App Development

Cross-platform iOS and Android apps with native-quality performance, offline support and smooth media.

All services

We ship one codebase to both app stores without compromising on feel. Our apps handle video, real-time features and payments, and get through store review smoothly.

Who it's for
  • Content and fitness brands launching subscriber apps
  • Marketplaces and social platforms going mobile-first
  • Businesses extending a web product to iOS and Android
What you get
  • Cross-platform apps with React Native
  • Video streaming, push notifications and in-app purchases
  • Offline-first data sync
  • App Store and Google Play release management
  • Crash reporting and product analytics
Typical stack
React NativeTypeScriptFirebaseNode.jsSupabase
The outcome

A mobile app that users keep coming back to, on both platforms.

How it works

From first call to launch, and beyond

  1. 01

    Discovery

    We dig into your goals, users and constraints, then turn them into a prioritized scope, timeline and budget.

  2. 02

    Design

    We map user flows and build clickable Figma designs, so you see and test the product before we write code.

  3. 03

    Build

    We work in short, transparent sprints with weekly demos, so you always know what shipped and what's next.

  4. 04

    Launch

    We handle QA, deployment, app-store releases, monitoring and analytics, and launch day goes smoothly.

  5. 05

    Support

    After launch we keep improving: fixes, new features, scaling and performance tuning as you grow.

Related work

Proof, not promises

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Explore

Other services

Technical Co-founder

A senior engineering partner who owns architecture, hiring decisions and the roadmap, so you can focus on customers and fundraising.

MVP Builds

Go from idea to a production-ready MVP in weeks, with a scope cut to what proves your business and nothing extra.

AI / LLM Integration

Add GPT-class intelligence to the product you already have: assistants, semantic search, summarization and automated workflows.

AI Development Services

Custom AI products built from the ground up: agents, automation pipelines and AI-native SaaS platforms.

Ready to talk about Mobile App Development?

Tell us what you're working on. You'll hear back from a senior engineer, not a salesperson.