Mobile app development services
iOS and Android applications built for real conditions — patchy networks, older devices, and users who will not wait for a spinner.
The demo had five bars of signal. Your users will not.
Mobile apps fail in the gap between the prototype and the commute: a train tunnel, a three-year-old Android device, a background process the OS decided to kill.
Cross-platform is usually the right economic answer, but only when someone has thought carefully about which parts genuinely need to be native — and most of the cost of getting that wrong lands after release.
Build for the worst network your users have.
We design the data layer first: what is cached, what syncs, what happens to a half-finished action when the connection drops. Everything else follows from that.
Cross-platform where it is equivalent, native where it is not — and we will tell you which is which before the estimate, not after the first App Store rejection.
What your build can include
- Cross-platform builds in React Native or Flutter
- Native iOS and Android modules where required
- Offline-first storage and conflict-aware sync
- Push notifications, deep links and app-to-web continuity
- Analytics, crash reporting and staged rollout
- App Store and Play Store submission and review handling
- Performance and battery profiling on real devices
Technology, chosen for the job
- Cross-platform: React Native, Flutter, TypeScript
- Native: Swift, Kotlin
- Backend: Node.js, PostgreSQL, Push services
See the engineering in practice
Growth Pilot
Product
Built, owned and operated by Avryxa.
An AI growth workspace: find local businesses that need work done, prove it with an audit, then win and deliver the job.
Open Growth Pilot (opens in a new tab)Cart Nest
Demo build
A working demonstration we built and published. Seeded data and simulated payments — no client, and nothing here is a live business.
A retail operating system: catalogue, inventory, orders, point of sale, storefront and analytics on one shared data model.
Open the demo (opens in a new tab)Before you start
How much does it cost to make a mobile application?
Mobile app development cost depends on the first-release features, iOS and Android requirements, design, backend and integrations. Payments, offline access and device-specific features can add work. Compare estimates that include design, development, testing and store submission; check hosting, third-party services and ongoing support separately. Avryxa quotes after reviewing your requirements. Share the main user journeys, target platforms and existing systems to request a scoped app development estimate.
Native or cross-platform?
Cross-platform for most business applications — one codebase, one team, near-native feel. Native when the app depends on heavy graphics, sustained background processing or a platform API without a stable bridge.
Do you handle App Store and Play Store submission?
Yes, including store listings, review responses, privacy declarations and staged rollouts.
Can you take over an existing app?
Usually. We start with a short technical audit so both sides know what the codebase actually contains before committing to a roadmap.
What about backend and APIs?
We build those too, and prefer to. An app is only as reliable as the API behind it.
How do you test on real devices?
A physical device matrix covering current and older hardware on both platforms, plus automated tests in CI. Emulators alone hide too much.
Let’s scope your first release.
Tell us your users, main workflow, existing systems and launch priorities. We separate the build, integrations, migration and running costs in a tailored proposal.
Prefer email? contact@avryxa.com