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Project Description: I have an existing Flutter mobile app project that needs a few updates and then a new APK build. The source code is fully available and was previously working. I need an experienced Flutter developer to: Tasks Include: Review and update the current Flutter project to the latest stable version (Flutter SDK & dependencies). Fix any build errors or warnings that may occur after the upgrade. Ensure the app runs smoothly on both Android and iOS simulators (primarily Android for now). Make minor UI or logic adjustments if needed (details to be discussed). Generate a new, working release APK for Android. Provide a brief summary of changes made and steps to build the project in the future. What I Will Provide: Full Flutter project source code Details of the changes (if any) Old APK (if needed for reference) Requirements: Proven experience with Flutter and Dart Ability to debug and fix common build/compatibility issues Familiarity with Android release builds and APK generation Good communication and quick turnaround Deadline: Preferably within 2–5 days of project start Please include in your bid: Any questions you might have Looking forward to working with a reliable and skilled developer!
Project ID: 39735859
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157 freelancers are bidding on average $156 USD for this job

I will work at $12 per hour, let’s connect to discuss your expectations in detail. Please share your list and code for betterment Thanks
$140 USD in 7 days
8.2
8.2

Hi there, I have a few questions based on the shared description: 1) Can you share the current project repository or source code URL? 2) Are there any specific build errors or warnings you’ve noticed so far? 3) Do you want any particular UI or logic changes besides the upgrade? I can review and upgrade your Flutter project to the latest stable version, fix any build issues, and generate a working Android APK. I will ensure the app runs smoothly and make minor UI or logic adjustments as needed. With 8+ years of experience in Flutter and mobile app development, I have a proven track record of delivering reliable and efficient solutions. Approach to Your Project: - Project Upgrade: Update Flutter SDK and all dependencies to the latest stable versions, resolving any compatibility issues. - Debugging & Fixes: Identify and fix build errors or warnings to ensure smooth compilation on Android and iOS simulators. - UI & Logic Adjustments: Make minor adjustments as per your requirements to maintain app functionality and user experience. - APK Generation: Build and deliver a release-ready Android APK, following best practices for signing and optimization. - Documentation: Provide a brief summary of changes and clear steps to build the project in the future. If you could open the chat window to continue the conversation, that would be great for me. Warm regards Idefco Before we discuss the project, please note that the price is a placeholder only.
$140 USD in 7 days
6.9
6.9

Hi, I have solid experience with Flutter and Dart, including upgrading projects to the latest stable version, fixing dependency/build issues, and generating release APKs. I’ll carefully update your app, resolve any warnings or errors, make minor UI/logic tweaks if needed, and deliver a fresh working APK within the deadline. I’ll also provide clear build instructions for future reference. A quick question: Do you also want the iOS build setup updated alongside Android, or should I focus only on Android for now? Looking forward to working with you! Best regards, Sukhdev
$100 USD in 4 days
6.0
6.0

Dear client, I can update your flutter project and make it run smoothly, i have more than 9 years of exp in apps and web development.
$80 USD in 5 days
6.0
6.0

Hi there, I have strong experience with Flutter and Dart, and I can efficiently upgrade your project to the latest stable version, resolve build errors, and ensure smooth performance on Android. I’ll make any required UI or logic tweaks and deliver a clean, working release APK along with clear documentation for future builds. I'm ready to start immediately and can complete the work within your 2–5 day window. Let me know if you have any specific concerns or preferred Flutter SDK version. P.S.: I've reviewed your requirements thoroughly and would love to work on the project with you. Looking forward to your response, ZAIN ALI
$500 USD in 7 days
6.1
6.1

Hi there, ready to update and deliver your Flutter app quickly, ensuring smooth Android builds and minor tweaks. I understand you need the project upgraded and APK generated efficiently to avoid delays. I’ve successfully updated Flutter apps using Flutter & Dart, achieving error-free builds. I can deliver a fully working APK on time, ensuring it exceeds your expectations. ➞ I’ll handle it by: 1. Review current project and dependencies 2. Update Flutter SDK & fix build errors/warnings 3. Test on Android (and iOS if needed) and generate APK 4. Make minor UI/logic adjustments & summarize changes 5. Final review & handover with build instructions ➞ Timeline & Budget: Please note, this is a preliminary estimate. A finalised timeline and budget will be shared once the project scope is fully defined. ➞ Next Steps: Let’s connect to finalize the plan; I’ll start as soon as the project is awarded. Thanks & Regards, Tejash J.
$140 USD in 7 days
5.8
5.8

With over 5 years of experience in full-stack development, which includes extensive knowledge in Flutter, Dart, and Android release builds, I am confident that I can address all the tasks on your project effectively. My deep familiarity with these technologies allows me to upgrade your Flutter project to the latest stable version seamlessly, fix any build errors encountered, and ensure smooth running of the app on both Android and iOS simulators. Additionally, as a seasoned developer, I am skilled at quickly adapting to and resolving problems that may arise.
$140 USD in 7 days
6.2
6.2

Having worked in the mobile app industry for over five years, I believe I'm better equipped than anyone else to handle your Flutter project. My experience isn't limited to basic development but extends to debugging and fixing common compatibility issues, something you emphasized. Additionally, as someone familiar with Android release builds and APK generation, I can assure that the final product will run smoothly on both Android and iOS simulators. What sets me apart from other developers isn't just my mastery in handling complex projects like yours or my profound knowledge of Flutter and Dart. More than that, it's my constant need to skill up and evolve. I've been keeping tabs on all latest advancements in Flutter SDK & dependencies, making me fully capable of reviewing and updating your project to the latest stable version. Moreover, my knack for details would make minor UI or logic adjustments much easier, should they be required. And beyond just creating a new APK for you, I'm keen on elaborately summarizing the changes made during the process and providing comprehensive steps for future consistency. In a nutshell, my commitment is not only towards delivering a flawless product but also towards ensuring you can sustain its quality in the future by yourself if needed. Let's get started!
$220 USD in 7 days
5.2
5.2

Hi There!!! ⭐⭐⭐⭐( Update Flutter Project & Produce New APK )⭐⭐⭐⭐ ⭐⭐⭐⭐ You have a working Flutter project that needs upgrading to the latest stable Flutter SDK and dependencies, fixes for any build errors, minor UI or logic tweaks, and a fresh release APK. The aim is a clean, reproducible Android build and a brief build guide. ⭐⭐⭐⭐ * Upgrade Flutter SDK and Dart packages safely * Fix build errors and warnings after migration * Verify app on Android emulator and iOS simulator where applicable * Apply minor UI or logic adjustments as requested * Produce a signed release APK and deliver build steps Execution Plan: I will clone your repository, run dependency migration, resolve compile issues with Android Studio and Gradle, test on Android emulators, address platform channel or plugin breaks, and generate a signed APK. I will provide a concise changelog and step-by-step build commands for future releases. Tools: Flutter, Dart, Android Studio, Gradle, adb. With 9+ years building mobile apps, I deliver reliable work, clear communication, and quality results. Ready to start—please share the repo and access details. Best Regards, Farhin B.
$110 USD in 15 days
5.9
5.9

Hello Nevena G., I have read the project details and understood the overall requirement. I am Abdul, a professional with 5 years of experience in Mobile App Development, Flutter, Android, iOS Development, and Technical Support. I have successfully delivered multiple projects in this domain. For this project, I plan to review and update the existing Flutter project to the latest stable version, fix any build errors, ensure smooth functionality on Android and iOS simulators, make necessary adjustments, and generate a new release APK for Android. You can view my portfolio here: https://www.freelancer.com/u/mannanmaan1425 Please ping me back so we can discuss the project further in the chat. Best regards, Abdul
$30 USD in 1 day
5.0
5.0

Hi, I can update your Flutter app to the latest stable version, fix build issues, make required adjustments, and deliver a smooth release APK within your timeline. Can we discuss on chat. Regards Abhishek
$140 USD in 7 days
5.5
5.5

I’m an experienced Flutter/Dart developer with a strong track record of upgrading projects to the latest SDKs and fixing build issues. I’ll update your codebase, resolve errors/warnings, and ensure smooth performance on Android (and iOS simulators if needed). The deliverables will include a working release APK, updated dependencies, and a clear build guide for future use. I can complete this within 2–5 days and am ready to start immediately
$140 USD in 7 days
5.1
5.1

Hello, I appreciate the opportunity to assist with your Flutter mobile app project. I understand that you need updates to your existing project along with a new APK build, which is something I am well-equipped to handle. With my proven experience in Flutter and Dart, I will thoroughly review and update your project to the latest stable version, address any build errors, and ensure compatibility on both Android and iOS simulators, prioritizing Android. Additionally, I'm ready to make any minor UI or logic adjustments as needed, based on our discussions. Once the updates are complete, I will generate a fresh, functioning release APK for you, along with a brief summary of the changes made and instructions for future builds. I am committed to delivering quality results within the 2–5 day timeframe you specified. Thanks, Muhammad Umair
$150 USD in 5 days
4.7
4.7

Hey there, Good day! ✅ Before we start, I have a couple of quick questions: 1. Are there any specific UI or logic adjustments you want prioritized after the upgrade? 2. Will you need the iOS build as well in the future, or is this Android-only for now? I’m experienced in Flutter and Dart, and have updated multiple projects to the latest Flutter SDK, resolving build issues and dependency conflicts along the way. I can review your project, make the necessary updates, ensure smooth functionality on Android, and generate a new release APK. Suggestions for the project: * Upgrade all dependencies to their latest stable versions to avoid future compatibility issues. * Test on multiple Android API levels to ensure broad device support. * Provide a small README with build instructions for easy future updates. Samples of similar Flutter project updates and APK builds can be provided upon request. Thanks and Regards, Abdul Basit Kreative Solutions
$140 USD in 7 days
4.7
4.7

Hi there, I can help you update your existing Flutter project to the latest stable version, fix any build errors, and ensure smooth performance across Android (and iOS if needed). I’ll also handle any minor UI/logic tweaks you require and generate a fresh, signed release APK. What you’ll get: Flutter SDK & dependencies updated Build issues resolved (warnings/errors fixed) Minor adjustments applied as per your notes New working release APK for Android Documentation on changes + build steps for future use I’m experienced with Flutter upgrades, dependency management, and publishing apps. I can start right away and deliver quickly. Best regards
$250 USD in 7 days
4.4
4.4

Hello, I am excited about the opportunity to work on updating your Flutter mobile app project and creating a new APK. I will review and update the project to the latest stable version, fix build errors, ensure smooth running on Android simulators, make UI/logic adjustments if needed, and provide a detailed summary of changes. Rest assured, I have the required Flutter/Dart experience and can handle common build issues. My communication and quick turnaround times will keep you updated throughout the process. Looking forward to collaborating!
$100 USD in 2 days
4.1
4.1

Hello, As a full-stack developer with over a decade of experience, I can surely deliver on the mobile app update and APK generation you need. While my specialization lies in React, I've also sharpened my skills in Flutter and mobile app development, creating applications used by thousands of people. This demonstrated experience makes me highly suitable for your project. Not only do I work efficiently to update projects to the latest versions for optimal performance, but I'm also adept at resolving any build errors or compatibility issues that may arise. My familiarity with Android release builds and APK generation will guarantee that you receive a new, improved APK that works perfectly on Android devices. In addition, my strong UI design skills and attention to detail enable me to effectively address any required minor adjustments to your app's UI or logic. And upon completion, I'll provide you with a detailed summary of all the changes made and the steps you'll need to take in case of future project builds. With our excellent communication lines, I'll deliver within your set deadline. Let's partner up on this project and take your Flutter mobile app to even greater heights! Thanks!
$100 USD in 2 days
3.9
3.9

Dear Client, As an experienced full-stack developer with over 7 years of successful project delivery, I am confident in my ability to upgrade your Flutter mobile app whilst ensuring seamless integration with the latest software development kits and dependencies. My skill set includes comprehensive knowledge of Flutter, understanding the nuances of Dart, and streamlining Android release builds and APK generation - prerequisites for this project! Furthermore, my familiarity with overcoming build errors and compatibility issues enables me to identify any associated challenges your project may face swiftly and effectively. What sets me apart is my relentless pursuit of providing a positive user experience. Throughout our collaboration, I will actively troubleshoot any UI or logic discrepancies that arise, ensuring your app is not just working but operating optimally on both Android and iOS platforms. Your proposed deadline is no issue. I'm known for quick turnarounds without compromising quality. In addition to delivering a new release APK, I will provide a detailed summary highlighting all changes made alongside step-by-step instructions for future building. In conclusion, our mandates align perfectly - you need reliable skills and timely service, and I pride myself on delivering precisely that. Let's not procrastinate anymore; you deserve the upgrade and I'm here to execute it exceptionally!!! Thank you!!!
$250 USD in 7 days
4.1
4.1

Hello Nevena, I’m excited about the opportunity to work on updating your Flutter mobile app project. With proven expertise in Flutter and Dart, I can efficiently update your project to the latest stable version, resolve any build issues, and ensure it runs smoothly on both Android and iOS simulators. I understand the importance of a quick turnaround and will provide a detailed summary of all changes made and steps for future builds. Could you please share if there are specific UI adjustments you have in mind? Additionally, are there any particular build errors you've encountered that I should be aware of? Looking forward to your response! Thanks, Bryson
$150 USD in 3 days
4.2
4.2

Hello I am Zaheer Padani, a Flutter developer with experience in updating and enhancing mobile applications. I can efficiently update your Flutter project to improve performance, add new features, and ensure compatibility with the latest OS versions. To understand the scope, what is the primary goal for this update (e.g., new functionality, bug fixes, UI refresh)? Best regards, ZP
$200 USD in 4 days
4.0
4.0

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