Kotlin App Development Agency

Native Android Apps Built on Kotlin

We build high-performance, robust Android and cross-platform apps using Kotlin and Jetpack Compose — delivering smooth layouts, database syncing, and custom SDK integrations.

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Direct Desk: apps@trustoryx.digital

30+

Android Apps Shipped

120Hz

Compose Rendering

100%

Kotlin-First

4.8★

Play Store Rating

Growth Obstacles

Problems This Solves

Your Android application stutters during scrolls or consumes excessive battery on older devices.

Maintaining two separate development platforms is draining your startup budget.

You require custom background tasks, Bluetooth/NFC hardware sync, or complex camera overlays.

You are facing Play Store guidelines rejections or need a safe codebase migration from Java to Kotlin.

Methodology

Our Proven Process

Material 3 UX Design

We design user interfaces in Figma following Google Material Design 3 guidelines.

Compose UI Layouts

We code responsive pages and fluid scroll transitions using Jetpack Compose.

Database & Thread Setup

We build Room SQL tables and handle asynchronous database operations using Kotlin Coroutines.

SDK & Notification Mapping

We connect REST/gRPC API channels, configure Firebase Cloud Messaging, and integrate payment SDKs.

Diagnostics & App Launch

We test performance in Android Studio Profiler, compile AAB bundles, and submit to the Google Play Store.

Material 3 UX Design

We design user interfaces in Figma following Google Material Design 3 guidelines.

Compose UI Layouts

We code responsive pages and fluid scroll transitions using Jetpack Compose.

Database & Thread Setup

We build Room SQL tables and handle asynchronous database operations using Kotlin Coroutines.

SDK & Notification Mapping

We connect REST/gRPC API channels, configure Firebase Cloud Messaging, and integrate payment SDKs.

Diagnostics & App Launch

We test performance in Android Studio Profiler, compile AAB bundles, and submit to the Google Play Store.

Scope of Work

What's Included

Native Kotlin / Jetpack Compose source code repository

Figma UI design sheets conforming to Material 3 guidelines

Configured build.gradle project files with unit testing suites

Android App Bundle (AAB) compiled release assets

Play Store listing visuals package (logos, banners, screenshots)

Firebase messaging token configurations

Detailed code documentation and API maps

45-day post-launch support and Play Store approval warranty

Growth Targets

Expected Results

Liquid scroll speeds running at 90Hz/120Hz on modern Android devices

Clean MVVM/MVI architecture implementation with minimal error rates

Guaranteed approval on Google Play Store on first submission

Optimized battery utilization and minimal background RAM consumption

Encrypted local database files using SQLCipher with Room

Tech Stack

Technologies We Master

Kotlin

Jetpack Compose

Android Studio

Room DB

Coroutines

Ktor

Firebase

GitHub Actions

Exhaustive Solutions

Comprehensive Capabilities

We don't just scratch the surface. Here is a detailed breakdown of everything we can engineer, optimize, and execute for your business.

Jetpack Compose UI

Developing declarative layouts, custom gestures, and fluid layout transitions.

Room SQL Caching

Configuring secure sqlite schemas and managing automated schema migration steps.

Coroutines & Reactive Flow

Managing asynchronous background task threads without blocking app main layout threads.

Kotlin Multiplatform (KMP)

Sharing networking client libraries and databases between Android and iOS packages.

Hardware Integration

Interfacing with Android APIs for Bluetooth BLE, NFC, GPS tracking, and camera overlays.

Code Obfuscation & Security

Setting up ProGuard/R8 rules, encrypting room tables, and securing API endpoints.

Specialized Focus

Specialized Services

Explore our specialized engineering teams and tailored solutions for this domain.

iOS App Development

Native Swift iOS apps for the App Store.

React Native Development

High-performance React Native cross-platform apps.

UI/UX Design

User research, wireframing, and Figma prototyping.

Transparent Pricing

Investment Plans

Transparent pricing with no hidden fees. Every plan includes dedicated support and monthly reporting.

Android Native MVP

$7,500USD · USD fallback/starting

A native Android MVP utilising Jetpack Compose, designed to launch core features quickly.

Up to 8 custom native screens

Jetpack Compose UI layouts

Google Sign-in auth setup

Room offline database configurations

Firebase push notifications

Play Store submission assistance

14-day post-launch support

Source code repository ownership

Build Android MVP

Custom App Build

$15,000USD · USD fallback/starting

A bespoke Android application with background syncing, API layers, and custom styling.

Up to 20 native application screens

Bespoke Compose layout animations

Stripe payment gateway configurations

Asynchronous sync workers

Advanced push notification segments

Unit & UI automation test suites

30-day post-launch support

Play Store Optimization (ASO) help

Build Custom App

Kotlin Multiplatform

$28,000USD · USD fallback+/project

Cross-platform app sharing business logic between iOS and Android platforms via Kotlin KMP.

Unified KMP shared code logic

Native iOS SwiftUI & Android Compose UIs

Shared networking and database schema

Custom Bluetooth/IoT device integration

Advanced analytics & logging setup

Priority SLA support contracts

90-day post-launch support

24/7 Slack communication channel

Discuss KMP Project

All plans are month-to-month with no long-term contracts. Custom enterprise plans available.Contact us for a tailored proposal.

Why Trustoryx

Why Choose Us

No Long-Term Contracts

Month-to-month engagements. We earn your business every single month.

Dedicated Team

A named strategist, not a rotating cast of juniors. Consistent point of contact.

Revenue-Focused

We report on revenue impact, not vanity metrics. Every dollar is attributed.

Rapid Execution

Strategy in week 1. Execution by week 2. Results tracked from day one.

Support

Frequently Asked Questions

Kotlin delivers optimal performance, instant access to all Android SDK features, and efficient battery/RAM utilization. It is the best choice if your app relies heavily on background processes, local databases, or Bluetooth/NFC sensors.

Jetpack Compose is Android's modern declarative UI framework. It replaces old XML layouts, allowing developers to write cleaner, more maintainable code, which translates to fewer bugs and faster app rendering speeds.

Yes. KMP allows us to share networking, data storage, and business logic between iOS and Android apps, while maintaining native UIs (SwiftUI on iOS and Compose on Android) for maximum performance.

Yes. We migrate legacy Java apps to Kotlin, optimizing database access and memory usage while preserving your existing application features.

Ready to Get Started?

Start with a free audit. We'll analyze your current performance and show you exactly where the growth opportunities are.

Free Audit Book a Call

Or email our dedicated desk: apps@trustoryx.digital