Mobile apps your customers and field teams actually keep
Native iOS apps in Swift and Android apps in Kotlin, or cross-platform where it fits: customer apps, staff apps and field tools that work offline, use the device's camera and location, and stay in sync with the systems that run your business.
What mobile app development covers
Native iOS and Android
Our default. Apps that feel at home on each device, use everything it offers and keep working as the platforms change.
iOS in Swift
Swift, SwiftUI, Combine and Swift Concurrency for a sleek, responsive app on iPhone and iPad.
Android in Kotlin
Kotlin, Jetpack Compose, Coroutines, Dagger and Gradle for phones, tablets and wearables; Java where a legacy codebase needs it.
Device capabilities
Camera, GPS, scanning, notifications, biometrics and offline storage used directly, not through a bridge.
Store release
App Store and Google Play submission, review and updates handled.
Cross-platform when it fits
One codebase for both stores, chosen when it saves you money without costing your users the experience.
Flutter and React Native
Complete apps from a single codebase for content, self-service and internal tools.
Kotlin Multiplatform and Compose Multiplatform
Share business logic, and where sensible the UI, between native iOS and Android apps.
When we recommend it
Early products and internal tools where speed to market matters more than platform polish.
When we do not
Hardware-heavy, performance-critical or platform-specific apps go native, and we say so before you decide.
Customer-facing apps
Apps people install because they make dealing with you easier.
Accounts and self-service
Orders, bookings, documents and payments from the phone.
Notifications
Push messages for the events customers care about, not noise.
Payments and subscriptions
In-app purchases, card payments and recurring billing done correctly.
Store release
App Store and Google Play submission, review and updates handled.
Field & operations apps
Tools for people who work away from a desk.
Offline-first workflows
Jobs, checklists and forms that work without signal and sync later.
Camera, GPS and scanning
Photos, signatures, location stamps and barcode or QR scanning.
Task and job management
Assignments, status updates and history visible to the office.
Device management
Managed distribution for company phones and rugged devices.
Existing apps
Not every project starts from zero. We also take on apps built by someone else.
Mobile app optimisation
Startup time, battery, memory, app size and jank measured and fixed.
Code refactoring
An ageing codebase brought up to current Swift, Kotlin or cross-platform standards without a rewrite.
Maintenance & support
OS updates, dependencies, store compliance and small improvements on an agreed cadence.
QA consulting
Test strategy, automation and device coverage for your own team.
The kind of work we take on
Customer app
Self-service for orders, bookings and accounts.
Field service app
Jobs, checklists, photos and signatures on site.
Delivery & logistics
Routes, proof of delivery and live status.
Inspection & maintenance
Structured reports with evidence attached.
Companion app
A mobile front end for your existing platform.
Rebuild or rescue
Optimise, refactor and support an existing app.
What changes when it is built properly
Without Dexcode
The wrong platform choice
Cross-platform picked to save money, then rewritten when the app needs the hardware.
Useless without signal
Field apps that stop working on site.
Paper still wins
Forms that are slower on the phone than on a clipboard.
Store rejection surprises
Release delays from guidelines nobody read.
With Dexcode
Native by default, shared where it pays
Swift and Kotlin apps that feel at home on each device; Flutter, React Native or Kotlin Multiplatform only when one codebase clearly saves you money.
Works offline, syncs later
Designed for the connectivity your team actually has.
Faster than paper
Flows designed around the job, tested with the people doing it.
Release handled
Store accounts, review and updates managed for you.
How a mobile app development project runs
The same four stages as every Dexcode project, tailored to this kind of work. Durations are agreed per project at the end of planning.
Discover
Who uses the app, where, and on what devices.
- Field observation or user interviews
- Device, connectivity and security constraints
- Integration requirements
- Scope and platform decision
- Estimate
What we build mobile app development with
Chosen for longevity and hiring, not novelty. We explain any alternative where the choice matters for your project.
Frequently asked questions
Native first. iOS apps in Swift and Android apps in Kotlin give the best performance, the fullest access to the device and the longest life as the platforms change. We propose Flutter, React Native or Kotlin Multiplatform when one codebase clearly saves money without hurting the experience, and we explain the trade-off before you decide.
Ready to talk about mobile app development?
Tell us what you are trying to achieve. We will say whether this is the right kind of work, what it would involve and what it would cost.