I will do bug fixing and app maintenance of android or ios app

Germany

I speak German

React Native, Flutter Mobile App Developer for Android and iOS

Hi, I’m Holger, a mobile app developer specializing in React Native and Flutter development for Android and iOS, I build responsive, user friendly applications for startups, businesses and individual ...
About this Gig

IS YOUR MOBILE APP MISBEHAVING? LETS GET IT WORKING AGAIN ️


App crashes, frozen screens, failed logins, broken buttons and unexpected errors can frustrate your users. I help identify the cause of mobile app problems and apply practical fixes to improve stability, functionality and performance.


I can troubleshoot and maintain existing Android and iOS applications, whether the issue comes from the interface, code, API, database or third-party integration.


SERVICES I CAN HELP WITH

  • Android app bug fixing
  • iOS app troubleshooting
  • Flutter and Dart issues
  • App crashes and unexpected errors
  • UI and layout problems
  • Navigation and button errors
  • Login and registration issues
  • Firebase and Firestore problems
  • REST API integration errors
  • Database connection issues
  • Build and installation errors
  • Push notification problems
  • Payment integration troubleshooting
  • Slow app performance
  • Code cleanup and maintenance
  • Compatibility and functionality testing
  • Existing app improvements


WHAT YOU CAN EXPECT

  • Careful issue investigation
  • Clear communication about the problem
  • Practical and organized fixes
  • Testing after implementation
  • Suggestions to help prevent repeated errors


PLEASE SEND ME THE ERROR DETAILS!!!

Platform:

IOS

App type:

Native

Frameworks:

SwiftUI

•

Node.js

Purpose:

Chat

•

Social networking

•

Entertainment

•

Medical

Expertise:

Cross-browser/Device compatibility

•

Performance

Programming language:

Java

•

Kotlin

•

Objective-C

•

PHP

•

Swift

Tools:

Glide

•

Android Studio

•

Xcode