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GullySystem

React Native Mobile App Development

React Native mobile app development produces an Android build and an iOS build from one JavaScript codebase. It suits teams already writing JavaScript, and it keeps a field app to one project and one bug list.

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What a field app has to handle

Field apps open in basement warehouses, on older handsets, with one bar of signal. The design targets those conditions, not a demo on a new phone.

Entry that works offline

Job cards and meter readings are saved on the handset. They are pushed once a signal returns.

Photos that upload later

Site photographs queue up and go across in the background, compressed before they leave the handset, so a poor signal slows the upload and never blocks the next job card.

Small builds

The install is kept small enough to download over mobile data. A technician should not give up halfway.

What a shared codebase saves

Two native teams mean two codebases. Each is built, tested and maintained separately, and each keeps its own list of bugs and its own release calendar.

Shared logic

Rates, validations and sync rules are written once and used by both platforms.

One release cycle

A fix reaches Android and iOS together, in one release, instead of being built and tested twice by two separate teams.

Familiar hiring

A React developer can start working on the app after a short run-in.

Where native code still applies

Some features need a platform-specific module. Those are written as native modules, and the limit is stated up front.

Bluetooth printers

Thermal receipt printers and weighing scales usually need a bridge written per platform.

Background tracking

Location capture while the app is closed behaves differently on Android and iOS.

Heavy graphics

Continuous camera work, or a map carrying thousands of pins, may justify native screens.

FAQ

Frequently asked questions

Does React Native mobile app development produce a real Play Store app?

Yes. The output is an ordinary Android or iOS app, published under your own developer accounts. Nobody using it can tell what it was written in.

Will the app run on entry-level Android phones?

That is the usual target. Testing happens on low-end handsets and older Android versions, since field staff and small dealers often carry those.

Can it talk to the system we already run?

Yes, over an API onto your existing database. Where no API exists, one is built in front of the old system so the app has a single documented way in.

Talk to us

Tell us what you need.

Share your requirements and one of our engineers will come back to you within one business day.

What happens after you share your requirements

  1. A senior engineer reads your answers. Nobody phones first.
  2. Within one business day you get a written note: what we understood, what we would start with, and the questions we still have.
  3. If it fits, a proposal follows with the order of work, what we need from you and what you receive at each step.
  4. No call is booked and nothing is paid until you have read the note. Your details stay with us.

Start with your requirements

Seven short steps that tell us what you need. A senior engineer reads them before anyone gets in touch.

Share your requirements