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Hello! I already have 2 completed applications (the full source code is already developed). I do NOT need an app built from scratch. The work is only to: • Fix bugs and errors • Adjust configurations • Make the applications work properly The apps already exist — this is maintenance and bug fixing only. Available budget: USD $17 (fixed price) If this amount does not work for you, please do not send a proposal. ⸻ Shorter version (if you want something very direct): I have 2 existing apps and only need bug fixes and configuration adjustments. No app development from scratch. Fixed budget: USD $17. Please only contact me if you accept this budget. Se quiser, posso deixar o texto:
Projekt-ID: 40165375
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Aktiv vor 19 Tagen
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26 Freelancer bieten im Durchschnitt $27 USD für diesen Auftrag

Hi there, I’m offering a 25% discount for this project. With expertise in mobile performance profiling and code refactoring, I will conduct a comprehensive optimization of your mobile app's codebase to significantly improve speed, reduce battery consumption, and decrease app size. I specialize in identifying performance bottlenecks, memory leaks, and inefficient algorithms in both native (Swift/Kotlin) and cross-platform (React Native/Flutter) applications. The process includes a full code audit and profiling session, followed by targeted optimizations such as implementing lazy loading, optimizing image/assets, refining network calls, and removing redundant libraries. I will also focus on improving rendering performance and ensuring smooth 60fps animations. The result will be a cleaner, more efficient, and maintainable code structure. You’ll receive a fully optimized mobile app with a detailed report of the changes made and their impact on performance metrics. My goal is to deliver a faster, more responsive, and resource-friendly application that enhances user satisfaction and retention. Best regards, Sohail
$10 USD in 1 Tag
6,1
6,1

With over 10 years of experience as a professional developer and designer, we are confident that we can handle the task of maintaining your existing mobile apps with utmost efficiency. Our team of 20+ professionals, including myself, holds expertise in a range of services, prominently including Android and iPhone app development, which directly aligns with your requirement. The wealth of experience we carry has always resulted in satisfactory outcomes for our clients. So, rest assured that your project will be in proficient hands. What sets us apart is not just the technical skills but also our dedication to our clients' satisfaction. We value your projects and aim to deliver not just bug fixes but a fully optimized app experience at the most reasonable prices. Although your budget is fixed at $17, we believe in delivering impeccable quality regardless of cost constraints. Being a top-rated freelancer on platforms like Shopify and Wordpress, we understand the importance of keeping up to date with configurations and designing tailored solutions for every issue that might arise during app maintenance. We assure you a fast turnaround time without compromising on quality. Partnering with Prajapati Technologies means getting reliable development services: we work seven days a week to ensure efficient communication and smooth completion of projects. Let's optimize your apps together so they can perform at their pinnacle. Thank you for considering my proposal
$180 USD in 10 Tagen
4,2
4,2

Hi Mate , Good morning! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Android, Flutter, Application Performance Monitoring, Debugging, Mobile Development, Software Development, Technical Support, Mobile App Development, iPhone and Version Control Git. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Always happy to hear from you
$25 USD in 1 Tag
3,8
3,8

Hello, I've reviewed your requirements and have worked on similar projects before. With my experience and skills, I can complete your project to your satisfaction. Please contact me via chat to discuss the details. Thank you, Pietro.
$20 USD in 5 Tagen
3,5
3,5

Hello, client I'm Denis Redzepovic, an experienced developer skilled in Mobile Development, Flutter, Application Performance Monitoring, iPhone, Software Development, Android, Technical Support, Mobile App Development, Version Control Git and Debugging. I specialize in building high-performance, scalable, and visually appealing applications that deliver smooth functionality and a seamless user experience. Whether you need full app development, UI/UX improvements, API integrations, or performance optimizations, I can provide a tailored solution that fits your needs. I focus on clean, maintainable code with responsive UI, smooth animations, robust state management, and seamless API integration. My approach ensures scalable architecture and pixel-perfect design, delivering consistent performance across Android and iOS platforms. With cross-platform efficiency and attention to detail, I’m confident I can add strong value to your project. I’d love to discuss your requirements and find the best approach to bring your vision to life. Thanks, Denis
$30 USD in 1 Tag
3,5
3,5

Hi, I understand this is bug fixing and configuration only for two existing apps—no new development. I can work within your fixed budget of USD $17, review the code, fix errors, adjust configs, and make sure both apps run properly. Ready to start as soon as you share the source.
$17 USD in 1 Tag
2,4
2,4

Hello, I have extensive experience in Mobile App Development and have carefully reviewed your project requirements for optimizing existing applications. I specialize in bug fixing, error resolution, and configuration adjustments to ensure seamless functionality. As a versatile Designer & Developer, I am well-equipped to handle maintenance tasks and ensure the apps work properly. My expertise includes UI/UX design, front-end and back-end development, and performance optimization. I am confident in providing comprehensive solutions to enhance your mobile apps. Let's discuss further in chat for a detailed strategy. Best regards, Syed
$11 USD in 1 Tag
0,0
0,0

Hi there, I understand that your main goal is to optimize your mobile app code to enhance performance and user experience. In my previous role, I successfully optimized a mobile application, resulting in a 40% decrease in load time and a 25% increase in user retention. Additionally, I implemented code refactoring that improved app stability, leading to a significant reduction in crash reports. To meet your requirements, I will conduct a thorough code review to identify bottlenecks and inefficiencies, followed by implementing best practices to streamline your app's performance. My approach will also include optimizing resource management and ensuring compatibility across various devices to enhance user experience. I would be happy to discuss your needs and get started right away. Best regards, Artem
$20 USD in 7 Tagen
0,0
0,0

Hi there, I’ve reviewed your maintenance-only request for two existing apps and I’m confident I can fix bugs, adjust configurations, and get everything running smoothly without any new development. With solid experience in Android, iPhone/iOS, Flutter, and Git version control, I’ll reproduce issues, apply targeted fixes, and perform regression checks. I’ll also tune build configurations and environment settings so both apps stay stable across devices. You’ll get a concise changelog and progress updates as I move through the fixes, with a reliable turnaround focused on quick, verifiable results. I’m ready to start immediately and can stabilize both apps within 24-48 hours depending on issue scope and logs. Could you share the exact bug list and crash logs for both apps, confirm the target platforms (Android, iOS, Flutter or native), and provide repro steps or a test environment so I can prioritize fixes and validate changes efficiently? Talk soon, Best regards,
$30 USD in 2 Tagen
0,0
0,0

Hi there, I have 7+ years of experience in Android, Debugging, Software Development and can deliver a clean, reliable solution for your project. I value clear communication and timely delivery, and I’m ready to get started immediately. Let’s connect and discuss your goals. Best regards, Dorian
$20 USD in 1 Tag
0,0
0,0

Hello, I’m a professional Web & Mobile App Developer with experience delivering clean, scalable, and high-performance digital solutions for businesses and startups. After reviewing your requirements, I understand you need maintenance and bug fixing for two existing applications, with no development from scratch, all within a fixed budget of USD $17. I can efficiently address bugs, fix errors, and adjust configurations to make your applications work smoothly and reliably. My focus is on delivering precise solutions that improve performance and stability without compromising quality. While new to Freelancer, I bring extensive real-world experience and a commitment to clear communication and timely delivery. I’m willing to negotiate the price in exchange for positive reviews. Regards, Jean Michel.
$23 USD in 14 Tagen
0,0
0,0

"Hi, I understand you need bug fixes and configurations for 2 existing Flutter apps. I accept your fixed budget of $17. I am ready to start immediately, review the code, and ensure everything works perfectly. Let's get this done!"
$20 USD in 1 Tag
0,0
0,0

I can quickly fix bugs and adjust configurations in your existing apps within your $17 fixed budget.
$17 USD in 7 Tagen
0,0
0,0

Hello! I can help fix bugs and adjust configurations for your existing apps. Before we proceed, could you please share: Which technology/framework the apps are built on (Flutter, React Native, native iOS/Android, etc.) A brief overview of the code and current setup Once I review this, we can discuss the timeline and confirm the budget. Looking forward to your reply.
$30 USD in 7 Tagen
0,0
0,0

Me encantaría poder realizar ese trabajo y poder desempeñarme para la tarea de la mejor forma posible.
$20 USD in 7 Tagen
0,0
0,0

Hello, I'm excited to assist you with optimizing your mobile apps! With a strong background in mobile app development and debugging, I can effectively fix the bugs and errors in your existing applications. My approach will ensure that the configurations are adjusted, allowing the apps to function seamlessly and meet your expectations. Given that you solely need maintenance and bug fixing, I can dedicate myself to ensuring your applications work properly, all within your fixed budget of $17. I’ll prioritize this task and aim to complete it promptly to get your apps back on track. Let's discuss any specific bugs or issues you’d like to address! Best regards,
$10 USD in 5 Tagen
0,0
0,0

Hi, I understand you have two existing mobile apps that need bug fixes and configuration adjustments, not a new build. I have solid experience optimizing Flutter apps, fixing errors, and ensuring smooth, stable builds. I've published apps on Google Play and am confident I can quickly identify and fix the issues in your apps to make sure they run properly without unnecessary delays. I’m ready to start reviewing your source code and provide the maintenance fixes you need within your budget. Let’s get your apps working flawlessly again. Can you share the specific bugs or error logs you're encountering in your apps? Thanks, Andrew
$50 USD in 1 Tag
0,0
0,0

I am a perfect fit for your project because you need precise bug fixes and configuration adjustments on your existing apps, not new development. I understand the importance of delivering clean, professional, and user-friendly solutions that ensure your applications work seamlessly and are fully integrated. While I am new to Freelancer, I have tons of experience and have done other projects off site. My expertise in troubleshooting and optimizing apps guarantees quality results. No Satisfaction, No Payment. Payment is only required if the final work meets the agreed project scope and approved requirements. To establish long-term trust on Freelancer.com, I’m offering limited-time discounted pricing without compromising quality of work. I would love to chat more about your project! Regards, Jabulani Xaba
$23 USD in 7 Tagen
0,0
0,0

We recently handled a project with the exact goals you’re looking for, stepping into existing applications to resolve bugs and configuration issues that were blocking proper functionality and causing inconsistent behavior. I focus on quickly understanding existing codebases, isolating errors, and applying clean, targeted fixes without overengineering or unnecessary changes. My approach is practical and efficient, aimed at getting your apps working as intended with stable configurations and smooth performance. Since this is maintenance only, I prioritize clarity, speed, and minimal disruption while keeping everything easy to test and verify. I feel really good about how my approach lines up with your needs. I'd love to chat about your project! Best case scenario, we work together, worst case, you get free insight. Best regards, Joshua
$17 USD in 7 Tagen
0,0
0,0

We just finished a similar project involving maintenance and bug fixes for existing applications, ensuring they run smoothly without redevelopment. I understand you need clean, professional, and user-friendly apps with seamless adjustments and integrated bug fixes within a fixed budget of USD $17. I have tons of experience and have done other projects off site and offer services at discount to build up my reputation. I would love to chat more about your project! Regards, Merson Marinus
$20 USD in 7 Tagen
0,0
0,0

Rondonópolis, Brazil
Zahlungsmethode verifiziert
Mitglied seit Dez. 29, 2025
$250-750 USD
$30-250 USD
$10-30 USD
$10-30 USD
$10-30 USD
₹1500-12500 INR
₹12500-37500 INR
min. $50 USD / Stunde
$750-1500 USD
₹12500-37500 INR
₹12500-37500 INR
£250-750 GBP
$3000-5000 USD
$250-750 USD
$5000-10000 USD
$30-250 USD
$10-15 USD
$750-1500 USD
$250-750 USD
₹12500-37500 INR
$750-1500 USD
₹600-1500 INR
₹37500-75000 INR
₹12500-37500 INR
₹100-400 INR / Stunde