I will develop a custom android app in kotlin

A
alphazer01
A
alphazer01
Roman Kusnir
develop a custom android app in kotlin
develop a custom android app in kotlin
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develop a custom android app in kotlindevelop a custom android app in kotlindevelop a custom android app in kotlin

About this gig

I develop custom native Android applications in Kotlin and Java using Android Studio.

I can build a new app from scratch or improve an existing project from a simple utility to a more advanced multi-screen application with custom UI, data storage, Firebase, monetization and Google Play preparation.

I can help with:

Native Android app development

Custom UI and app design

Bug fixing and performance improvements

Phone and tablet compatibility

Firebase integration

AdMob and monetization

App icons and splash screens

Google Play release preparation

Existing Android project improvements

Optional services, if not included in your package:

Google Play submission +$80

AdMob integration +$70

Firebase integration from +$120

Custom app icon +$40

Additional screen or feature from +$50

Additional revision +$40

Every project is different, so please contact me before ordering if your app has complex functionality. I can review your requirements and prepare a custom offer with a clear scope, price and delivery time.

  • App type

    • Native

  • Purpose

    • Entertainment
    • Health & Fitness
    • Education
    • Lifestyle
    • Productivity tools
    • Custom
    • Gaming

  • Expertise

    • Cross-browser/Device compatibility
    • Localization
    • Performance
    • Design
    • Ads & monetization
    • Data storage
    • Release management

  • Programming language

    • Java
    • Kotlin

  • Frameworks

    • Jetpack Compose
    • Android

  • Tools

    • Android Studio
    • Firebase

Get to know Roman Kusnir

Roman Kusnir
  • FromEstonia
  • Member sinceSep 2025
  • Avg. response time1 hour

  • Languages

    English
I develop modern Android applications in Kotlin using Android Studio. Build a new Android app from scratch, improve an existing project, fix bugs, redesign the UI, add new functionality, integrate AdMob or in-app purchases, and prepare an application for Google Play release. Focus on practical, polished apps with clean interfaces and reliable functionality. I can help with: • Android apps in Kotlin • UI/UX implementation • Existing app improvements • Bug fixing and compatibility issues • AdMob integration • In-app purchases • Google Play preparation and publishing support

My Portfolio

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