Mobile app development
Native iOS, native Android, Flutter and React Native — built by a mobile team that has shipped to real fleets and real drivers.
- Platforms
- iOS, Android, cross-platform
- First build
- 8–12 weeks
- Offline
- First-class, not an add-on
- Release
- Stores handled by us
The premise
Mobile is where most products meet their hardest constraints: patchy signal, cheap devices, cold hands, and a user who has ten seconds. Everything we build for mobile assumes those conditions rather than the office wifi.
We pick native or cross-platform on the evidence — hardware access, team maintenance capacity and roadmap — and we say which one we would choose and why before you commit.
The parts of the work
Native iOS and Android
Swift and Kotlin where hardware, performance or platform integration make native the honest answer.
Flutter and React Native
One codebase where the product is mostly screens and flows, with native modules dropped in where needed.
Field and offline apps
Drivers, technicians and couriers: local-first data, sync on reconnect, and validation at the point of entry.
Store release and lifecycle
Submissions, review responses, phased rollout, crash monitoring and the OS-upgrade maintenance nobody budgets for.
Five steps, and what you hold at the end of each
Decide
Native or cross-platform, argued on your constraints, written down with the trade-offs.
Platform recommendation
Prototype
The two or three screens that carry the product, on a real device, in the real environment.
Device-tested prototype
Build
Sprint cadence with TestFlight and internal-track builds every two weeks.
Installable build each sprint
Harden
Low-signal, low-battery and cheap-device testing before anything reaches a store queue.
Field test report
Release
Phased rollout, crash and adoption monitoring, then a fix cycle in the first fortnight.
Live app + monitoring
What this looks like in numbers
6
Mobile specialists on staff
4
Stacks covered: Swift, Kotlin, Flutter, RN
Offline
Sync built into every field app we ship
2 wks
Between installable builds
Asked first, every time
Flutter or native — what will you recommend?
Native when you need deep hardware, background work or platform-specific UX. Flutter or React Native when the product is flows and forms and you want one team. We will show the reasoning either way.
Can you take over an existing app?
Yes. We start with an audit of the code, the release pipeline and the crash data, and give you a written verdict on repair versus rebuild.
Tell us what you’re trying to ship
A first call is thirty minutes and costs nothing. Bring the problem, not a spec — working out what to build is the part we are good at.
Or email office@symphonyapps.ro. We reply within one business day, in English or Romanian.