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I will fix mobile app bugs crashes app store and google play rejection issues
danny linue
About this gig
Is your mobile app crashing, failing to launch, getting rejected by the App Store or Google Play, or frustrating users with unexpected bugs? I can quickly identify the root cause and provide reliable fixes that get your application back on track.
I specialize in troubleshooting Android, iOS, React Native, Flutter, Expo, and crossplatform mobile applications. Whether you're facing startup crashes, runtime exceptions, API failures, login issues, payment errors, performance bottlenecks, UI glitches, dependency conflicts, build problems, or store policy violations, I'll deliver clean and maintainable solutions.
I also help resolve App Store Review Guideline violations, Google Play policy issues, signing errors, permission problems, SDK incompatibilities, version conflicts, and deployment failures to maximize your chances of approval.
What you'll receive:
- Professional bug diagnosis
- Crash and performance fixes
- App Store & Google Play rejection resolution
- Android & iOS compatibility improvements
- API and backend debugging
- Thorough testing before delivery
If your app isn't working as expected or has been rejected during review, contact me before ordering and I'll help get it approved
Get to know danny linue
danny linue
web app developer
- FromUnited Kingdom
- Member sinceJan 2026
- Avg. response time1 hour
Languages
English
I specialize in diagnosing, troubleshooting, and fixing web app, mobile app, backend, API, and AI software issues for startups, SaaS businesses, agencies, and developers. From Expo, React Native, Next.js, Node.js, Supabase, Prisma, Stripe, RevenueCat, Superwall, AppsFlyer, OpenAI, Claude, and n8n to authentication, database, deployment, payment, automation, and performance problems, I deliver fast, reliable solutions that restore functionality and keep your applications running smoothly.
FAQ
1. What types of mobile app bugs can you fix?
I can fix crashes, startup issues, login problems, API errors, payment issues, UI bugs, performance problems, dependency conflicts, and many other Android and iOS application errors.
2. Can you fix App Store and Google Play rejection issues?
Yes. I can identify the reason for rejection, fix policy violations, resolve technical issues, and help prepare your app for successful resubmission.
3. Which mobile frameworks do you support?
I work with React Native, Flutter, Expo, native Android, native iOS, Firebase, Supabase, REST APIs, and many modern mobile development technologies.
4. What do you need before starting?
Please provide your source code or Git repository, error logs or screenshots, rejection messages (if applicable), and a description of the issue you're experiencing.
5. Will you test the app before delivery?
Absolutely. Every fix is tested to ensure your app is stable, functions correctly, and is ready for deployment or resubmission to the App Store or Google Play.
