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I have a live Flutter application on both iOS and Android that now needs a comprehensive refresh. We need to work things like bugs, ui updates and new features You must be expert in flutter and be able to implement. We will do small projects and publish updates Part 1. Review and debug Part 2. Prepare and publish app on IOS store Part 3. Prepare and implement completely new interface, and implement new features *** This post is for Part 1 only ***
Project ID: 40339367
74 proposals
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Active 15 days ago
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74 freelancers are bidding on average $44 USD for this job

Hi there, I am a senior mobile developer with strong expertise in Flutter. I have worked on live Flutter apps for both iOS and Android, handling bug fixes, UI improvements, and new feature implementations. Once you share the app and access, I will start with a full review of the existing code, reproduce and fix reported bugs, optimize performance, and ensure the app runs smoothly on both platforms. I will provide a clean report of fixes and recommendations for future updates. Thanks, Rahul A.
$16 USD in 7 days
7.7
7.7

Hi, I will do the debugging and ui fixes for existing project as per requirements. I am developing applications since 2019. Thanks
$20 USD in 7 days
7.2
7.2

Hi, I'm Zuhair Muhammad. I’ve reviewed your project title and description and fully understand what you're looking for. I'm confident I can deliver exactly what you need. I'm available 24/7, open to interviews, and ready to get started right away. Feel free to reach out with any questions. Looking forward to working with you. Best regards, Zuhair Muhammad
$30 USD in 1 day
6.9
6.9

Hi, I have 5+ years of experience in Flutter. I will design and develop a fully functional Flutter mobile application for your business. The app will be cross-platform, responsive, and optimized for both Android and iOS. I will ensure smooth navigation, clean UI, and reliable performance. My Skills Include: a) Flutter Development – Expertise in building cross-platform mobile apps with responsive UI. b) State Management – Experienced in Provider, Riverpod, and Bloc for scalable apps. c) Backend Integration – Skilled in connecting apps with REST APIs, Firebase, and third-party services. d) Database Handling – Proficient in Firebase Firestore, MySQL, and SQLite. e) Deployment & Support – Experienced with publishing apps on Google Play Store and Apple App Store. Please share your ideas or reference apps, and I’ll help bring your vision to life. Lets connect in chat so that We discuss further. With Regards, Sai
$15 USD in 1 day
5.6
5.6

With my strong expertise in Flutter, React Native, and Android development, I am confident that I am the best fit for your comprehensive app revamp project. My extensive experience in Flutter development has enabled me to have an in-depth knowledge of the widget library and how to create stunning UIs. This coupled with my ability to implement new features and work on bug fixes would ensure a successful completion of Part 1 of your project. Moreover, as you plan to publish consistent updates, my proficiency in Flutter and React Native guarantees seamless compatibility on both iOS and Android platforms. Part 2 of your project which involves publishing on the IOS store would be a smooth sail as I am well-versed with this process. Additionally, I have a solid understanding of Java and Kotlin programming languages, enabling me to optimize existing apps within a tight schedule. Lastly, I'm not just committed to meeting deadlines and delivering high-quality work but also ensuring client satisfaction through excellent communication skills and willingness to go the extra mile. With more than 100 successful projects completed, I understand what it takes to create beautiful, functional apps that delight users and drive results. Let's discuss further about Part 1 of your project
$20 USD in 7 days
5.4
5.4

Hi there, I’m an experienced Flutter developer with a proven track record in delivering high-quality, cross-platform mobile apps. I’m committed to clean code, timely delivery, and continuous communication throughout the project. I’d love to discuss how I can help bring your project to life. Best regards, Sohail
$20 USD in 7 days
5.1
5.1

Dear Sir, I hope this message finds you well. I am a Flutter Developer with 8+ years of experience building high-performance mobile apps, specializing in clean architecture, state management, and scalable UI/UX. I specialize in developing Flutter applications and have strong domain knowledge. I can complete your project within the agreed timeframe and budget. Having worked on similar projects, I am confident I can exceed your expectations. Please let me know if you would like to discuss this further in chat. Best regards.
$20 USD in 7 days
4.9
4.9

Hi, I have strong experience working on live Flutter applications, identifying critical bugs, fixing performance issues, and stabilizing apps before release. I’ll go through your current codebase, debug issues, and ensure everything runs smoothly on both iOS and Android. For this phase, I will: • Review the existing code and app flow • Identify and fix bugs and crashes I’m ready to start immediately and can quickly get your app into a stable state. Regards, Muhammad
$60 USD in 1 day
4.6
4.6

I can do it with ready made code. I already setup so many apps. I have 6+ years of experience in this field. Let's connect and discuss more about your requirements. Thank you.
$50 USD in 2 days
4.6
4.6

Hi, I’m an experienced Flutter developer and I can help with Part 1: reviewing and debugging your existing Flutter application on both iOS and Android. I will carefully analyze the current codebase, identify bugs, fix performance issues, and ensure the app runs smoothly and reliably across devices. I have strong experience working with existing Flutter projects, debugging complex issues, improving stability, and preparing apps for future updates. After completing the review and fixes, the code will be clean and ready for the next stages such as App Store publishing, UI improvements, and new feature implementation. I can start immediately and provide a clear report of the issues found along with the fixes applied. Let’s connect in chat so I can review the project and begin debugging.
$20 USD in 2 days
4.6
4.6

I understand this phase is focused purely on reviewing your existing Flutter app, identifying bugs, fixing crashes, and stabilizing the codebase before moving into UI redesign and feature expansion. I will audit the code, debug issues across both iOS and Android, improve performance, and ensure compatibility on different devices. I’ll also clean up structure for smoother future updates and releases. My approach is to create a stable foundation before any redesign. Do you already have a documented list of issues or should I perform a full audit to uncover hidden bugs and performance bottlenecks?
$20 USD in 7 days
4.4
4.4

Hello! I’m excited about the opportunity to revamp your Flutter app. With extensive experience in Flutter and mobile app development, I've worked on various projects that involved debugging and enhancing user interfaces. For Part 1 of your project, my approach will be to thoroughly review your current app, identify and fix existing bugs, and implement UI updates that enhance user experience. I suggest prioritizing the most critical bugs first to ensure a smoother user experience. In a previous project, I successfully revamped a mobile app for better performance and user engagement, improving ratings significantly. I estimate that I can complete this debugging and UI update phase in about 5 days. Regards, Khurshid Ahmed
$100 USD in 4 days
4.1
4.1

Hello, I’m very interested in helping with Part 1 of your Flutter application refresh, focusing on reviewing the existing codebase, identifying bugs, and stabilizing the application before moving on to UI updates and new features in later phases. I have strong experience working with existing Flutter apps, debugging production issues, improving performance, fixing layout problems across different screen sizes, and resolving API, state management, and plugin-related issues. For an existing live app, the first step is always a structured code and architecture review so we can identify the root causes of crashes, UI glitches, slow screens, or inconsistent behavior rather than just fixing surface-level issues. For Part 1, my approach would be: • Review project structure, dependencies, and Flutter version • Run and test the app on both iOS and Android devices • Identify and fix bugs and crashes • Fix UI issues and layout inconsistencies • Improve performance where needed • Clean up and refactor problematic code if required • Prepare a stable build for the next phase I understand that this project will continue in phases (debugging → App Store publishing → new UI and features), so the goal in this phase is to make the app stable, clean, and ready for future development and updates. I can start immediately and work with you on small tasks and regular update releases. Looking forward to working together.
$20 USD in 7 days
4.3
4.3

Hi, your priority for Part 1 is to pinpoint and fix production issues in the live Flutter app so future UI work and releases are built on a stable base. My approach: 1) audit the codebase, packages, crash points, and build setup, 2) reproduce and resolve the highest-impact bugs with clean, maintainable fixes, 3) test critical flows and document technical risks for the next phases. Timeline: 4–7 days. Deliverables: reviewed codebase, fixed bugs, tested build, and a concise findings report. Proof: I’ve stabilized live Flutter apps before feature expansion and store release. One question: do you already have crash logs/bug reports to prioritize first?
$19 USD in 7 days
4.2
4.2

Hey, I'm Mahmoud. I am a mobile apps developer working with Flutter. I can help with reviewing and debugging your live Flutter app on both iOS and Android. I'll go through the codebase, identify and fix bugs, and make sure everything runs smoothly before we move to publishing and new features. I'm available for small, focused updates and can work with your timeline. Don't hesitate to contact me to discuss more details. Regards, Mahmoud
$20 USD in 7 days
4.3
4.3

With extensive experience in developing and revamping apps, especially with Flutter, I bring a unique set of skills to this project. My primary focus is on creating highly performant, scalable, and user-friendly apps, which directly aligns with your needs for a comprehensive refresh of your Flutter app. I'm proficient at debugging and reviewing apps, an essential aspect of Part 1 of your project. This skill has enabled me to fix bugs, optimize performance, and make significant improvements to numerous applications. Besides resolving existing issues, I can anticipate future concerns and prevent them from becoming problems - ensuring a robust and reliable app for you. Having built apps across various industries including e-commerce, booking systems, real-time apps etc., I understand the importance of new features and modern user interfaces that enhance the overall user experience. So not only can I help you implement new functionalities but also amplify the visual appeal of your app. At the end of my contribution to Part 1 of this project, rest assured that the groundwork will be laid for a successful Part 2 (App publishing on iOS) and Part 3 (Implementing new interface & features).
$20 USD in 7 days
4.0
4.0

Hi there! You are refreshing a live Flutter app and the real challenge is fixing hidden bugs while keeping the app stable across iOS and Android — that is exactly where most updates stall. I recently debugged and optimized a multi-platform Flutter app, resolving UI inconsistencies and crash issues, which improved app stability and reduced bug reports by 85%. That hands-on Flutter experience ensures smooth debugging and efficient fixes. I will thoroughly review your app, identify and resolve all issues, and prepare it for seamless publishing on both platforms while keeping your existing functionality intact. Check our work: https://www.freelancer.com/u/ayesha86664 Could you share if the app has any custom native modules or plugins that might need special attention during debugging? I am ready to start — just say the word. Best Regards, Ayesha
$15 USD in 3 days
3.5
3.5

I can help you revamp and update your existing Flutter app so it feels modern, stable, and aligned with current iOS and Android standards. Working on a live product requires care, and I’m comfortable making significant changes without disrupting existing users. I’ve led multiple Flutter app refreshes, including UI overhauls, performance optimizations, and compatibility updates with the latest OS versions and store guidelines. This includes managing staged rollouts and handling edge cases that appear only in production. For Part 1, I’d start by reviewing your current codebase, defining a clear list of UI/UX and technical improvements, then implementing changes in small, testable batches. You’ll have builds to review early and often so we stay aligned. I would love to chat more about your project! Regards
$20 USD in 7 days
3.8
3.8

Hello, The core challenge is identifying and resolving existing bugs in your Flutter application while ensuring a smooth user experience across both iOS and Android platforms. I will conduct a thorough code review and debugging process to pinpoint issues affecting performance and usability. Could you clarify if there are specific areas of the app you want me to focus on during the review? Ready to start and enhance your Flutter application effectively.
$20 USD in 7 days
3.1
3.1

Hello, I’d be glad to help review and debug your Flutter application to identify issues and stabilize the app before moving into further updates. I’m a full-stack developer experienced in **Flutter, iOS, Android, Dart, mobile debugging, and app performance optimization**, with a strong focus on maintaining stable cross-platform behavior. One of the key challenges in projects like this is ensuring that **bugs across different devices, OS versions, and integrations are properly identified and fixed without introducing regressions or breaking existing features**. My approach is to audit the codebase, reproduce issues, trace logs and state flows, and fix bugs systematically while keeping the app stable and ready for the next phases (publishing and UI rebuild). My goal is to make the app feel like a **reliable, production-ready product**, ready for smooth updates going forward. A couple of quick questions: • Are the current issues mostly **UI-related, crashes, or API/data flow bugs**? • Do you have **crash logs (Firebase/Sentry)** or should I set up debugging tools during this phase? Best regards, Carlos
$20 USD in 5 days
2.7
2.7

United Kingdom
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Member since Mar 31, 2026
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