Sydney · Mobile app development
Kotlin app developers in Sydney, Australia for modern, stable Android apps.
Kotlin is Google's preferred language for Android, and it shows in the quality of apps built with it. Kotlin app developers in Sydney deliver stable, modern Android apps that are straightforward to maintain.
At a glance
- Kotlin and Jetpack Compose
- Clean architecture
- Device and OS testing
- Play Store release
Kotlin app developers in Sydney: what to expect
Kotlin app developers in Sydney build native Android apps with modern architecture, Jetpack libraries and thorough testing. We cover design, development, Play Store release and updates as Android versions evolve.
Who it suits
Teams with staff Android devices, or an older Java app that needs modernising.
What you get
A modern Kotlin app on Jetpack Compose, tested on the handsets you really use.
How we start
We agree the device list and the features that matter most.
Why it helps
A steadier, easier-to-maintain app that behaves well on long shifts.
What we cover
What goes into your app
The pieces that make up the service.
Want the national picture? Read about our Kotlin app development page.
New Android apps
Designed and built end to end in Kotlin.
Java to Kotlin
Moving older apps over safely.
Jetpack Compose
Modern, responsive screens built with Google's current toolkit for Android.
Device features
Camera, Bluetooth, location, background work.
Testing
Unit, UI and device-matrix checks.
Play Store
Listing, review and staged rollouts.
In Sydney
Android apps for Sydney's working fleets
Field teams, delivery crews and venue staff across Sydney depend on apps that start fast and survive a long shift. We use Kotlin and Jetpack Compose and test on the handsets your staff really carry.
Everything is shared in writing and on a shared board, so your Sydney team can follow progress without chasing anyone.
- Modern, maintainable Android code
- Rugged devices supported
- Staged Play Store rollouts
Common situations
What Sydney clients usually ask us to solve
Apps needing performance
New Android apps benefit from native Kotlin, which gives smooth scrolling and direct access to the camera and sensors.
Rugged and kiosk deployments
Apps for scanners, shared tablets and locked-down devices need specific configuration. We build for the hardware your crews and counters rely on.
Legacy Java apps
Older Android apps written in Java can be modernised gradually in Kotlin, improving safety and reducing bugs without a full rewrite.
What's included
What comes with this service.
The essentials of the service, plus the standards that come with everything we do. No hidden extras.
Request a proposal →- Device test matrix: Phones and Android versions agreed up front
- Migration plan: Steps from Java code to Kotlin
- Release notes: Clear history of each update
- Free discovery call: a short chat about your goals before you commit
- Files you own: every asset and editable source file handed over to you
Is it right for you?
When a custom app makes sense
- You have an older Java Android app
- Your team needs Android skills
- You need Bluetooth or scanner support
- App crashes are rising
Compare
Kotlin or cross-platform?
| Compare | Kotlin (native Android) | Cross-platform |
|---|---|---|
| Platform depth | Full | Good |
| Reach | Android only | iOS and Android |
| Hardware use | Best | Sometimes needs modules |
| Best for | Android-first products | Both platforms |
How we work
Our process, step by step
Plan
We agree features and the devices your users actually carry.
Design
We follow Material guidelines so the app feels natural on Android.
Build
We code in Kotlin with Jetpack Compose and show regular builds.
Test
We run checks on real devices, not just emulators.
Release
We publish through Google Play and support the app afterwards.
Built around you
Every project is quoted on your needs.
No one-size packages. After a free discovery call, you get a clear, itemised proposal based on what your business actually needs.
Request your proposal →The range of handsets and Android versions to support shapes the testing plan.
Hardware features such as Bluetooth and scanners need extra work and device checks.
A new app is simpler than migrating an older Java codebase safely.
The APIs and services the app depends on affect how much we build.
Android changes yearly, so updates are part of keeping the app healthy.
Technology
Tools and technologies we use
Language
Android
Multiplatform
Quality
Why Kedra Digi
Why Sydney businesses choose Kedra Digi.
Strategy, design, development and marketing together.
Itemised deliverables before work starts.
Files, code and accounts are handed over.
Kedra Digi is an Australian-owned digital agency based at 5 Murphy Street, O'Connor, Perth. We work with Sydney clients by video, shared files and clear milestones, with in-person sessions arranged when they help.
Why Kotlin rather than Java?
Can you migrate our Java app?
Do you build for rugged devices?
Can you work with our team?
Who owns the code?
How is it quoted?
What is Kotlin Multiplatform?
Do you build iOS apps too?
Why Kotlin instead of Java?
Do you support many Android versions?
Can you add features to our existing app?
How do you manage Play Store releases?
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Free discovery call
Ready to talk about your project?
Tell us what you are working on. We will reply within one business day with honest advice.
Prefer email? [email protected]