Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix flutter app bugs, crashes, errors and performance issues
Flutter and Mobile App Developer, Android, iOS and Firebase
Flutter & Mobile App Developer | Android | iOS | Firebase
I am Ismail Khan, a Level 2 Flutter developer building high-performance cross platform apps for Android and iOS using Flutter, Dart, and Fire...
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
About this Gig
Is your Flutter app crashing, freezing, or behaving unexpectedly? I will fix it fast!
I am Ismail Khan, a Flutter & Dart expert with hands-on experience fixing bugs, crashes, and performance issues in cross-platform mobile apps for Android and iOS.
What I Fix:
- App crashes and unexpected shutdowns
- - UI glitches, screen freezing, and rendering issues
- - Firebase errors (Auth, Firestore, Storage, FCM)
- - API integration failures and network errors
- - State management bugs (GetX, Provider, BLoC, Riverpod)
- - Navigation and routing issues
- - Build and compilation errors
- - Performance bottlenecks and slow loading
- - Memory leaks and battery drain
- - Play Store / App Store rejection issues
Why Choose Me:
- Fast turnaround with clear communication
- - Clean, well-documented code fixes
- - Root cause analysis, not just quick patches
- - 100% response rate and on-time delivery
- - Free re-check within revision period
Tech Stack: Flutter, Dart, Firebase, REST APIs, GetX, BLoC, Provider, Android Studio, Xcode.
Message me before ordering so I can review your issue and confirm I can fix it within your timeline.
FAQ
What types of bugs and errors can you fix in Flutter apps?
I can fix a wide range of bugs and errors in Flutter apps, including UI glitches, crashes, performance issues, compatibility problems, and functionality errors.
How experienced are you in Flutter bug fixing?
I have extensive experience in Flutter bug fixing, having worked on numerous projects and successfully resolved various bugs and errors. I stay updated with the latest Flutter advancements to provide effective solutions.
What is your typical turnaround time for resolving bugs?
The turnaround time depends on the complexity of the bugs and the size of the project. However, I strive to resolve most issues within a few days. I prioritize efficient and timely bug fixing to minimize any impact on your project's timeline.
Do you offer support after fixing the bugs?
Yes, I provide post-bug-fixing support to ensure that your Flutter app continues to function smoothly. If you encounter any related issues or have further questions, I'll be available to assist you.
Are you proficient in both iOS and Android bug fixing for Flutter apps?
Yes, I have expertise in bug fixing for both iOS and Android platforms when it comes to Flutter apps. I am well-versed in platform-specific nuances and can address issues specific to each operating system.
Can you assist in preventing future bugs and errors in Flutter apps?
Absolutely! I can provide guidance and best practices to help prevent future bugs and errors in your Flutter app. This includes code optimization, implementing robust testing strategies, and following industry-standard development practices.
What if the bug cannot be fixed? Do you provide refunds or alternative solutions?
In rare cases where a bug cannot be fixed, I will work closely with you to explore alternative solutions or provide a partial refund. Customer satisfaction is my priority, and I strive to find the best resolution for every situation.
Reviews
11 reviews for this Gig
| (11) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S se_flutter
United Arab Emirates
Great experience working with this seller! Communication was clear and fast, he delivered exactly what I asked for, and the quality exceeded my expectations. Would definitely recommend and will be coming back for future projects.
Up to $50
Price
1 day
Duration
Helpful?J jennyy888
Repeat Client
United States
Working with him was an absolute pleasure! Highly recommend his services! 😊
$100-$200
Price
5 days
Duration
S 
Seller's Response
Helpful?E 
esirbo
Finland
I finally found the guy to go to for my app development and upgrade. I am happy to meet him.
Up to $50
Price
1 day
Duration
S Seller's Response
Helpful?M mofa0108
United States
He did really good work, understood the problem and fixed it.
Up to $50
Price
3 days
Duration
Helpful?I 
imadkhan176
Pakistan
Working with Ismail was an absolute pleasure! Their professionalism, clear communication, and dedication to quality made the project seamless and enjoyable. Highly recommend for future collaborations!. Thanks Ismail for helping me and your fast delivery. 😊
Up to $50
Price
1 day
Duration
Helpful?
Reviews
11 reviews for this Gig
| (11) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S se_flutter
United Arab Emirates
Great experience working with this seller! Communication was clear and fast, he delivered exactly what I asked for, and the quality exceeded my expectations. Would definitely recommend and will be coming back for future projects.
Up to $50
Price
1 day
Duration
Helpful?J jennyy888
Repeat Client
United States
Working with him was an absolute pleasure! Highly recommend his services! 😊
$100-$200
Price
5 days
Duration
S Seller's Response
Helpful?E esirbo
Finland
I finally found the guy to go to for my app development and upgrade. I am happy to meet him.
Up to $50
Price
1 day
Duration
S Seller's Response
Helpful?M mofa0108
United States
He did really good work, understood the problem and fixed it.
Up to $50
Price
3 days
Duration
Helpful?I imadkhan176
Pakistan
Working with Ismail was an absolute pleasure! Their professionalism, clear communication, and dedication to quality made the project seamless and enjoyable. Highly recommend for future collaborations!. Thanks Ismail for helping me and your fast delivery. 😊
Up to $50
Price
1 day
Duration
Helpful?
