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Fiverr Pro
English
$
USD
I will fix bug, error, crashes flutter app or customize flutter app
Bizsailor
Level 2
4.9
4.9
About this gig
Are you facing errors, crashes, bugs in your Flutter app? Or want to add new features, customize flutter app? You're in the right place!
I will fix bugs, errors, and crashes, and also add new features, customize UI, and enhance performance of your Flutter app ensuring it runs smoothly on both Android and iOS.
Services I Provide:
- Fix any Flutter app bugs, crashes, or build issues
- Add new features or functionalities
- Customize app design and layout
- Integrate APIs, Firebase, or third-party services
- Implement login/authentication (Email, Google, Phone, etc.)
- Optimize app speed and performance
- Update app to the latest Flutter & Dart version
- Add dark mode or multi-language support
- Integrate payment gateways (Tap, Stripe, PayPal, etc.)
- Set up push notifications and in-app messages
- Fix Android/iOS build or publishing issues
- Convert UI designs (Figma/XD/PSD) into Flutter code
- Add animations or motion effects
- Refactor and clean your existing codebase
- Provide full project setup, deployment, and maintenance
Why Choose Me:
- ️ Experienced Flutter developer (Android & iOS)
- ️ Clean, optimized, and scalable code
- ️ Fast delivery and 100% satisfaction guaranteed
- ️ Post-delivery support available
Get to know Bizsailor
Bizsailor
A leading IT agency providing app, web development solutions
Level 2
- FromBangladesh
- Member sinceNov 2023
- Avg. response time1 hour
- Last delivery4 weeks
Languages
Bengali, English
We are BizSailor, your expert team for website. mobile app development and customization.
We offer Mobile App Development (Android/iOS), App Reskinning, App Customization, Website Development, eCommerce Development; UI/UX Design & Customization. API Integration and Bug Fixing.
We work with Flutter, React Native, Swift, Java. Laravel, WordPress, Shopify & more.
Clean code, Fast Delivery, and Full Support guaranteed. Let’s bring your ideas to life—order now or message us!
My Portfolio
Other Mobile App Development Services I Offer
FAQ
What do you need from me to get started?
I’ll need your Flutter project files (or GitHub access), a brief description of the bug, error issue or feature you want added, and any design files (if applicable).
Can you fix both Android and iOS issues?
Yes! I fix bugs and customize features for both Android and iOS platforms using Flutter’s cross-platform capabilities.
Can you add new features to an existing Flutter app?
Absolutely. I can add new screens, functionalities, integrations, or any feature you need — even if it’s not currently in your app.
What if my issue is too complex or unclear?
No worries — message me first! I’ll review your project and give a clear quote and time estimate before starting.
Will you keep my project data and code secure?
Yes, 100%. Your code, design, and data remain confidential and are never shared with anyone else.
Can you update my Flutter version to the latest one?
Yes, I can upgrade your app to the latest Flutter and Dart versions, ensuring compatibility and performance improvements.
Do you provide post-delivery support?
Yes, I offer free post-delivery support for minor issues and guidance after completion. Extended support can also be arranged if needed.
Do you also help with app deployment?
Yes, I can help you build, test, and deploy your app to Google Play Store and Apple App Store if required.
Reviews
6 reviews for this Gig
| (6) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
M 
meksmedia
Repeat Client
United States
Outstanding work! This is my second time working with this seller, and once again the project was delivered exactly as requested, with great attention to detail and excellent communication throughout the process. Professional service and high-quality results. I will definitely retain for future project updates and upcoming projects. Highly recommended!
$200-$400
Price
6 months
Duration
Helpful?S salihdabo
Repeat Client
Burkina Faso
pour la deuxième fois encore je suis entièrement satisfait. je vous recommande fortement c'est un homme honnête
$50-$100
Price
7 days
Duration
Helpful?C chjmiche
Repeat Client
Germany
Very good delivery.
$400-$600
Price
8 weeks
Duration
Helpful?U 
umair_0150
Repeat Client
Pakistan
This is my second time working with him he has never disappointed me I love working with him I admire his skills. I the future I will work with him again. highly recommend to everyone
Up to $50
Price
6 days
Duration
Helpful?R 
rajneesh_kumar
Repeat Client
India
It was good experience working with him.
Up to $50
Price
11 days
Duration
Helpful?
Reviews
6 reviews for this Gig
| (6) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
M meksmedia
Repeat Client
United States
Outstanding work! This is my second time working with this seller, and once again the project was delivered exactly as requested, with great attention to detail and excellent communication throughout the process. Professional service and high-quality results. I will definitely retain for future project updates and upcoming projects. Highly recommended!
$200-$400
Price
6 months
Duration
Helpful?S salihdabo
Repeat Client
Burkina Faso
pour la deuxième fois encore je suis entièrement satisfait. je vous recommande fortement c'est un homme honnête
$50-$100
Price
7 days
Duration
Helpful?C chjmiche
Repeat Client
Germany
Very good delivery.
$400-$600
Price
8 weeks
Duration
Helpful?U umair_0150
Repeat Client
Pakistan
This is my second time working with him he has never disappointed me I love working with him I admire his skills. I the future I will work with him again. highly recommend to everyone
Up to $50
Price
6 days
Duration
Helpful?R rajneesh_kumar
Repeat Client
India
It was good experience working with him.
Up to $50
Price
11 days
Duration
Helpful?
