BitPixel

Mobile app development for iOS and Android, from idea to launch

We build complete mobile products for iOS and Android — the app, the backend and API behind it, and everything needed to get it approved and into both stores.

Overview

One team from first screen to store listing

The app is only the part people see. Behind it sit accounts, data, payments, notifications and an API — and behind those, servers that have to stay up. We build all of it as one product, so the app and its backend are designed together rather than bolted together afterwards.

We handle the whole path to release: design, build, backend, testing on real devices and the store submission itself. Both platforms are built from one shared codebase, so iOS and Android launch together and stay in step. You see the app running on your own phone from the first sprint.

Technologies we use

What's included

Mobile App Development: what's included

Every engagement is scoped up front, so you know exactly what is being delivered before work starts.

  • iOS and Android apps

    Both platforms built from one shared codebase, so features launch together and stay in step.

  • Backend & API integration

    Authentication, data sync, payments and third-party services — built by us or connected to what you have.

  • Notifications & offline support

    What users expect from a real app: push notifications, background sync and sensible behaviour without a connection.

  • Real-device testing

    Tested on physical iOS and Android devices across screen sizes and OS versions, not just simulators.

  • App Store & Google Play release

    Store listings, review guidelines, signing and submission handled for you.

  • Post-launch support

    30 days of fixes included, then an optional retainer for OS updates and new features.

Where it fits

The mobile apps we build

  • Consumer apps

    Onboarding, accounts, feeds and payments for products people open every day.

  • Companion apps for web products

    A mobile front end for an existing SaaS or web platform, sharing its API and design system.

  • MVPs for founders

    A tightly scoped first version to put in front of real users and investors.

Selected work

Recent mobile app development work

  • MediTrack — Healthcare App built by BitPixelHealthcare App

    MediTrack

    Mobile health tracking app with AI-powered insights

Insights

Reading on mobile app development

FAQ

Questions about mobile app development

Something we have not covered? Ask us directly.

How long does it take to build a mobile app?

Most first versions take 8–12 weeks from kickoff, plus time for App Store and Google Play review. The exact timeline depends on scope, which is why we agree a dated milestone plan before any work starts.

Should we build native or cross-platform?

For most products, cross-platform is the better trade: one codebase, one team, and performance users cannot tell apart from native. We recommend fully native Swift or Kotlin only when the app leans heavily on platform-specific capabilities — and we will say so on the scoping call if that is your case.

Do you handle App Store and Google Play submission?

Yes. We prepare the store listings, handle signing and build configuration, and take the app through review on both stores. Your developer accounts stay in your name, so you own the listings.

Can you build the backend as well?

Yes. We build the API and backend in Node.js, NestJS or Laravel and host it on AWS, or integrate with a backend you already run. Most apps also need an admin dashboard on the web, and the same team builds that too.

Related services

Often paired with mobile app development

All services

Have a project in mind?

Tell us what you're building and we'll come back with a scope, a timeline and a fixed price.