I will develop IOS apps fix apple app bugs debug and optimize iphone application

J
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J
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Joscolee
develop IOS apps fix apple app bugs debug and optimize iphone application
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develop IOS apps fix apple app bugs debug and optimize iphone application
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develop IOS apps fix apple app bugs debug and optimize iphone applicationdevelop IOS apps fix apple app bugs debug and optimize iphone applicationdevelop IOS apps fix apple app bugs debug and optimize iphone application

About this gig

Your app should help users solve problemsnot create new ones.


Crashes, broken features, slow performance, login issues, API errors, UI glitches, and App Store rejection problems can damage user trust and hurt your business.


Whether you're launching a new application, maintaining an existing product, or dealing with frustrating bugs, I provide professional iOS app development, debugging, troubleshooting, and optimization services.


Services I Offer:


  • iOS App Development
  • Custom iPhone and iPad applications built according to your business requirements.
  • Bug Fixing & Debugging
  • Identify and resolve crashes, errors, performance issues, and unexpected behavior.
  • Performance Optimization
  • Improve speed, responsiveness, memory usage, and overall application stability.
  • API Integration
  • Connect your application to third-party services, databases, and backend systems.
  • UI & UX Improvements
  • Fix interface issues and improve user experience.
  • App Maintenance & Updates
  • Keep your app updated, secure, and compatible with the latest iOS versions.


Please contact me before ordering with your project details, source code access, screenshots, or error logs.

  • App type

    • PWA

  • Purpose

    • Chat
    • Dating
    • Streaming
    • Finance
    • Social networking
    • Health & Fitness
    • Lifestyle
    • Productivity tools
    • E-commerce
    • Gaming

  • Expertise

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

  • Programming language

    • C
    • Dart
    • JavaScript
    • Kotlin
    • Objective-C
    • PHP
    • Python
    • Swift
    • TypeScript
    • React Native

  • Frameworks

    • SwiftUI
    • Flutter
    • Ionic
    • Laravel
    • Jetpack Compose Multiplatform
    • Node.js
    • Uikit

  • Tools

    • Xcode
    • Power apps
    • Glide
    • Flutterflow
    • AppSheet
    • Firebase
    • Supabase

Get to know Joscolee

Joscolee

App designer and developer

  • FromUnited Kingdom
  • Member sinceJun 2026

  • Languages

    English, Italian, German, Portuguese, Spanish
Hi, I’m Joscolee, a creative designer specializing in App Store screenshot design that helps mobile apps stand out, attract more downloads, and improve conversion rates. I create visually compelling, professionally branded screenshots that showcase your app’s key features, benefits, and user experience in a clear and engaging way. Whether you're launching a new app or optimizing an existing listing, I deliver high-quality designs tailored for both the Apple App Store and Google Play Store.

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