Solve Crashes and Errors in Android, iOS, Flutter & React Native Apps
Is your app crashing, lagging, or constantly failing to meet users' expectations? Whether it's Flutter, React Native, Android, iOS, I'm here to help you debug, optimize performance, and get your app to run exactly how it should so your users have a smooth, fast, and reliable experience!
At LETCMS Pvt Ltd, we specialize in optimizing mobile app performance and bug fixing. With years of practical experience of working with complicated cross-platform and native mobile apps, we have helped dozens of businesses get back on track after losing their mobile app and confidently launch without bugs.
What I Can Help You With:
✅ Bug Fixing & Debugging
From random crashes and white screen errors to misbehaving UI elements and laggy performance, I will identify and resolve any issues affecting your app on both Android and iOS platforms.
✅ App Store & Play Store Publishing Issues
Struggling to publish your app due to policy violations or build errors? I’ll troubleshoot and fix all publishing errors, ensuring your app meets all store guidelines.
✅ Source Code Customization
Bought a script from CodeCanyon or have source code that needs modification? I can customize, restructure, or add new features to fit your business needs.
✅ Authentication & API Issues
Fix issues related to Google Sign-In, Facebook Login, Firebase Auth, or any third-party APIs that are not functioning as expected.
✅ Keystore and App Signing Fixes
Resolve issues with Android signing keys, generate or migrate keystores, and ensure smooth app updates on the Play Store.
✅ React Native & Flutter Optimization
I will fine-tune your code, reduce app load time, optimize images, and clean up unused packages to make your mobile app faster and more efficient.
Bonus Services I Offer:
✔ No Developer Account? I Can Help!
If you don’t have a Play Console, I can publish your app under my developer account temporarily (terms apply).
✔ Fix After Publishing Errors: Sometimes apps work fine in testing but fail after going live—like login issues or crashes. I’ll fix post-deployment problems fast.
✔ UI/UX Polishing: Enhance the design and user flow of your app for a better customer experience.
Tech Stack Expertise:
- Flutter & Dart
- React Native
- Android (Java/Kotlin)
- iOS (Swift/Objective-C)
- Firebase, REST APIs, Google Maps, Social Login
- CodeCanyon Script Fixes & Modifications
Why Choose Me?
✔️ 3+ Years of Professional Experience
✔️ 100% Bug-Free & Clean Coding Practices
✔️ Fast Turnaround Time
✔️ Full Privacy & Source Code Confidentiality
✔️ Post-Delivery Support Available
Let’s Get Started!
Send me the error details, screenshots, or code access, and I’ll handle the rest. Whether you're a startup, solo developer, or business owner, I’m here to help you launch and scale with confidence.
Your app deserves to work perfectly—Let’s make that happen! 🚀
