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I need a skilled developer to take my current mobile app to the next level. The core build is already live, but several areas—performance, feature refinement, and overall user experience—still need attention so the product feels seamless and professional. Your task is to review the existing codebase, propose practical improvements, then implement and test them on both iOS and Android versions. I value clean, maintainable code, clear communication of progress, and an eye for detail that keeps the original vision intact while elevating the final result. If you have a strong record of enhancing deployed apps, can work efficiently with modern mobile frameworks, and are comfortable suggesting incremental upgrades that add real value to users, let’s talk.
Project ID: 40631978
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Active 2 days ago
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72 freelancers are bidding on average ₹1,015 INR/hour for this job

Hello, It sounds like your live mobile app is ready for a significant upgrade in performance, feature polish, and overall user experience. I can help refine your existing codebase, ensuring it achieves the seamless, professional feel you envision across both iOS and Android. My approach focuses on practical, incremental improvements that uphold your original vision while delivering substantial value. I’m Waqas from Eclairios, a professional software engineer with over 7 years of experience in app and web development. I have successfully completed 128 projects, earning a 5.0 rating from satisfied clients. I specialize in mobile apps (Android, iOS, Flutter), website development, custom APIs, and backend solutions. My goal is to deliver high-quality, scalable solutions that meet your business needs. Why hire me? ★ 100+ Projects Completed with 5-star rating. ★ 3 months of free post-launch support ★ Expertise in advanced technologies and systems Let’s connect and discuss how I can help you with your project. Best regards, Waqas
₹931 INR in 40 days
8.4
8.4

--- Mobile App Improvement & Optimization --- I can help review your existing mobile app, identify the key issues, and implement practical improvements across iOS and Android. Here's my approach: → Review the current codebase, performance, UI/UX, and existing features. → Prioritize improvements based on impact and effort. → Implement, test, and optimize changes across both platforms. → Deliver clean code with clear progress updates and documentation. Flow Code Review → Improvement Plan → Development → Testing → Release Question What framework is the current app built with, and do you already have a list of priority issues or features? Let's connect... Thanks
₹1,450 INR in 40 days
7.3
7.3

Hi, I have 8+ years of experience in mobile app development and optimization. I can review your existing codebase, identify performance and UX improvements, implement key refinements, and thoroughly test the app on both iOS and Android. I’ll maintain clean, scalable code while improving stability, performance, and the overall user experience without changing the core vision. Thanks, Manish Giri
₹6,000 INR in 40 days
5.6
5.6

Hi, Your app is already live, so the focus should be on **refining and strengthening what's already built**, not starting over. I'll begin with a thorough code review to identify performance bottlenecks, UI/UX inconsistencies, and opportunities to improve stability and maintainability before implementing any changes. From there, I'll optimize the existing features, add the planned enhancements, improve responsiveness and performance on both **iOS and Android**, and ensure every update is thoroughly tested. My goal is to enhance the user experience while preserving your original vision and keeping the codebase clean, scalable, and easy to maintain. I believe in transparent communication, milestone-based delivery, and regular progress updates, so you'll always know what's being improved and why. I'd be happy to review your current codebase, share a prioritized improvement plan, and help turn your app into a faster, more polished, production-ready product. Looking forward to discussing your project!
₹1,000 INR in 40 days
5.6
5.6

Your project to enhance the mobile app's performance and user experience resonates with my expertise in optimizing existing applications. I understand the importance of refining features while maintaining the original vision, and I can help you achieve that seamless and professional feel you're aiming for. Specifically, I will focus on reviewing the current codebase to identify performance bottlenecks and areas for feature refinement. My approach will include implementing incremental upgrades that not only enhance usability but also ensure the app remains clean and maintainable. I will thoroughly test the improvements on both iOS and Android platforms, ensuring a consistent experience across devices. I'm ready to get started on this right away and look forward to collaborating with you to elevate your app to the next level. Rajavel Mobile App Developer | Performance Optimization | iOS & Android Expert
₹779 INR in 10 days
5.0
5.0

Your app is already live, which means the focus is no longer on building features—it’s about refining performance, polishing the user experience, and making every interaction feel reliable and seamless. That stage is where thoughtful improvements create the biggest impact. I’ve spent the last 10+ years enhancing and maintaining production mobile applications across Android, iOS, and Kotlin Multiplatform. My recent work includes cross-platform apps with Firebase, real-time communication, Google Maps integration, and CI/CD workflows, while also leading multiple projects to improve performance, stability, and deployment efficiency. My approach would begin with a thorough review of your existing codebase to identify performance bottlenecks, architectural improvements, and UX refinements. From there, I’d prioritize changes that deliver the highest value, implement them using clean, maintainable code, and thoroughly test both Android and iOS to ensure a smooth, consistent experience without disrupting your original vision. One question: Which framework is your app built with—Flutter, React Native, Kotlin Multiplatform, or native Android/iOS? I’d be glad to discuss your roadmap and suggest practical enhancements that improve quality while keeping development efficient.
₹750 INR in 40 days
4.7
4.7

As an experienced full stack developer with a specialization in mobile app development, I can bring immense value to your project. During my 8+ years in the industry, I've successfully delivered over 200 projects, many of which involved enhanced deployed apps just like yours. I understand what it takes to elevate a product and make it not only seamless and professional but also highly efficient and user-friendly. One of my core strengths lies in my ability to conceptualize and implement practical improvements that add measurable value to users. This skill will be particularly useful for your project as we work together to review your existing code base, identifying areas for enhancement. A meticulous approach with an unwavering focus on maintaining the original vision of your app while elevating its overall performance is what you can expect from me. Moreover, I love building long-term relationships with my clients - offering ongoing technical support and maintenance even after the project ends. So if you want a skilled, experienced, and dedicated developer who can take your mobile app to new heights while ensuring a seamless user experience throughout, let's start discussing your project!
₹750 INR in 40 days
4.8
4.8

As an experienced Full Stack Web and Mobile App Developer, I believe I possess the necessary skills, dedication, and vision to elevate your mobile app. My specialization in both frontend and backend development allows me to approach coding holistically while ensuring your project maintains a well-balanced and seamless experience. I have 5+ years of experience delivering not just satisfactory, but exemplary results in the field. One of my core strengths is my ability to identify areas for improvement using existing codebases. This guarantees that your original vision remains intact as we implement practical enhancements aimed at refining performance and user experience. My proficiency with modern mobile frameworks like React Native and Flutter should be particularly valuable in this regard. Moreover, I am a firm believer in clean and maintainable code that minimizes future hiccups and ensures consistent functionality. My on-time delivery track record paired with clear communication during each step of the process will keep you informed about the progress made efficiently. Overall, if you're looking for a dedicated, detail-oriented professional capable of taking your core-build mobile app to the next level - then look no further! Let's discuss how we can turn your vision into an even more successful reality with my expertise!
₹1,000 INR in 40 days
4.3
4.3

Hello, I carefully reviewed your project requirements and I’m confident I can deliver a high-quality solution within your expected timeline and budget. I’m Amit, a Web & Mobile Developer with 13+ years of experience building WordPress, Laravel, eCommerce, and custom web applications. My focus is not only on development, but also on understanding the business goals behind each project so I can deliver solutions that are practical, scalable, and maintainable. Based on your requirements, I can help you with: • Clean and responsive UI/UX • Performance-optimized development • Mobile-friendly and modern design • Secure and maintainable code structure • Smooth functionality aligned with your project goals I have worked on several similar projects and understand the importance of clear communication, timely delivery, and long-term support. I’d also be happy to share relevant work samples from my portfolio that match your requirements. I believe in delivering exactly what is promised — no unnecessary claims, just reliable and professional work. I’d love to discuss the project further and understand your expectations in more detail. Thank you for your time and consideration.
₹1,000 INR in 40 days
4.0
4.0

I'm Harsh, and I absolutely love what I do - transforming ideas into powerful mobile apps. With over 8 years of experience in the field, I've honed my skills, especially in enhancing deployed apps like yours. My expertise in both iOS and Android development, alongside cross-platform work with Flutter and React Native, ensures you will receive a solution that's not just refined but also caters to all your users. One of the factors that sets me apart is my ability to suggest incremental upgrades that add real value to your app-users' experience. This quality dovetails perfectly with your demand for a freelancer who can not only review the existing codebase but also propose and implement practical improvements to enhance its performance, refine features and overall user experience. Think of me as someone who will keep the original vision of your product intact while taking it a few notches higher. Above all, my clients appreciate my commitment to high-quality code, timely project delivery, transparent communication and progress updates, as well as robust project management. Your project, specifically looking for clean and maintainable code alongside an elevated final product, aligns closely with my values. Let's connect and discuss how I can turn your current mobile app into something even more seamless and professional!
₹750 INR in 40 days
4.0
4.0

Hi there, I have 5 years of professional experience improving and maintaining mobile applications. I can review your existing codebase, identify performance and UX improvements, implement the required enhancements, and thoroughly test the app to ensure a stable, polished experience on both Android and iOS. I focus on clean, maintainable code, clear communication, and delivering practical improvements that enhance the user experience without changing your original vision. Which framework is your app built with—Flutter, React Native, or native Android/iOS?
₹1,000 INR in 40 days
4.2
4.2

We can review your existing mobile app, identify performance bottlenecks, refine features, enhance the UI/UX, and implement scalable improvements while preserving your current architecture and vision. After thorough testing on both iOS and Android, we'll deliver clean, maintainable code, detailed progress updates, and a polished, production-ready app that provides a smoother user experience.
₹1,000 INR in 40 days
3.5
3.5

As a seasoned full-stack developer with a strong background in mobile app development, your project aligns perfectly with my skill set. Throughout my 5+ years in the industry, I've consistently shown a knack for identifying areas of improvement, and optimizing existing apps to not only meet but exceed user expectations. I'm adept in both Android and iOS platforms, with hands-on experience in Objective C that can be instrumental in refining your current app. My familiarity with modern mobile frameworks such as React Native, Flutter, and Java will enable me to seamlessly integrate your preferred enhancement features while ensuring optimum performance and user experience. Furthermore, I firmly believe in proactive communication and transparent progress updates, so you'll always know exactly where the project stands. With me on board, you can rest assured knowing that the original vision of your app will be kept intact but enhanced for better usability and scalability. Let's connect and take your app to the next level together!
₹1,200 INR in 40 days
3.8
3.8

Hi, I’ve carefully gone through your requirements and can help improve your existing mobile app across both iOS and Android. I’ll first review the current codebase, identify performance and UX issues, suggest practical improvements, and then implement and properly test the agreed changes without affecting the existing functionality. Could you please share the current app/codebase and let me know which areas you’re currently facing the most issues with? Also, is the app built natively or using Flutter/React Native? Let’s discuss the details in chat, review the current build, and proceed with the next steps. Best Regards, Arshiya
₹800 INR in 40 days
3.1
3.1

Hi, Rather than jumping straight into development, I'll first review your existing codebase to identify performance bottlenecks, architectural improvements, and UX issues. I'll then prioritize the changes that deliver the biggest impact with minimal risk, ensuring your app becomes faster, more stable, and easier to maintain without disrupting your existing users. I have 12+ years of experience in mobile development and 7+ years in Flutter, delivering 40+ production applications across fintech, healthcare, AI, eCommerce, and enterprise domains. My approach is always to improve the product, not just complete the assigned tasks. My Approach Code Review & Architecture Assessment Performance Optimization Feature Refinement UI/UX Improvements Bug Fixes & Regression Testing Android & iOS Testing Clean, Documented Code Why Me? Solution Architect with product mindset Focus on scalable, maintainable code Regular progress updates and transparent communication Availability: 40 Hours/Week (Immediate Start) Looking forward to helping you take your app to the next level. Thanks, Virander
₹1,000 INR in 40 days
2.8
2.8

The app is already live, so this project is less about building features from scratch and more about identifying what prevents the product from feeling polished. The goal should be measurable improvements in performance, usability, and stability without drifting away from the product's original vision. I'd begin with a structured review of the existing codebase, profiling performance, identifying UX friction points, and prioritizing enhancements based on user impact. After agreeing on the roadmap, I'd implement the improvements incrementally, validating each change on both iOS and Android to ensure feature parity and avoid regressions. Throughout the project, I'd provide regular progress updates, explain the reasoning behind proposed refinements, and verify that every change contributes to a smoother experience rather than adding unnecessary complexity. I've worked on improving existing applications where the focus was optimizing performance, refining features, and strengthening the overall user experience while preserving the established architecture. My preference is to build on what's already working instead of rewriting components that don't need it. To estimate the scope accurately, could you share which framework the app is built with (Flutter, React Native, or native iOS/Android) and which areas currently cause the most friction for your users?
₹750 INR in 40 days
2.7
2.7

I understand that you need a skilled developer to take my current mobile app to the next level. and I am confident that I can help you. Webix Infotech can audit the existing iOS and Android codebase, identify performance bottlenecks, UI inconsistencies, crashes, slow screens and areas where the current user flow can be refined. We’ll then prioritize improvements based on user impact and implement them incrementally with proper testing on both platforms. Our team can work with modern mobile frameworks and native iOS/Android code where required, while keeping the resulting code clean and maintainable. Each change will be tested before delivery so improvements do not introduce regressions into existing features. Please share the current app build, source-code environment and the main issues you have already identified. We can begin with a technical audit and provide a prioritized improvement plan before making major changes. Best Regards, Prachi Webix Infotech
₹1,000 INR in 40 days
1.8
1.8

With my name being Hitender, many of my clients have felt the 'HIT' in their projects. My skills as an Android and iOS developer along with 6+ years of experience in end-to-end product development will be fitting for your Mobile App Enhancement project. I am known not just for writing code, but for grasping the core of business problems, understanding them deeply, and then building efficient solutions around them. Over the years, I've successfully delivered over 140 projects much like yours, which demanded taking existing products to the next level. Be it refining features or optimizing performance - I've covered it all with a knack for meticulousness that breathes life into a seamless and professional product. What sets me apart is not only my proficiency with Flutter and Kotlin, but also my commitment to clear communication, quick response time, and on-time delivery with clean execution. Your project speaks loud about the need for 'real-world ready deployments', a parameter I've always valued as well. I do believe I can extend your app's user experience to a new horizon and maintain its original vision while injecting subtle upgrades that truly add value to your users. Let us connect over this conversation and discuss how we can elevate your product's functionality and fulfill your vision together."
₹800 INR in 40 days
0.8
0.8

Reviewing before touching anything is really the right instinct here, verifying whether existing behavior is a genuine bug versus intentional design before proposing changes keeps the original vision intact instead of accidentally overwriting it. I've built Prodexia and IQRAi, both involved stabilizing and refining existing systems without disrupting what already worked. Similar work here https://www.freelancer.pk/u/UmairBuildsAI I'd start by reviewing the current codebase across both platforms to identify concrete performance bottlenecks and UX friction points, propose a prioritized list of practical improvements, then implement and test changes incrementally on iOS and Android, keeping communication clear at each step so nothing drifts from your original product vision. Let's connect on a call and discuss. Best Regards, Umair
₹750 INR in 40 days
0.0
0.0

Hi, I read your project description carefully and understand that you're looking to enhance an existing mobile app rather than rebuild it. My approach is to first review the current codebase, identify performance bottlenecks and UX issues, and then implement improvements in a structured way while keeping the existing functionality intact. I'll focus on clean, maintainable code, thorough testing, and regular progress updates throughout the project. I can help with: * Performance optimization * Feature refinement and bug fixing * UI/UX improvements * Cross-platform testing for Android and iOS * Code cleanup and long-term maintainability Before starting, I'd like to review the current codebase so I can provide clear recommendations and an accurate estimate for the work. Looking forward to discussing your app. Thanks, Kartik
₹750 INR in 50 days
0.0
0.0

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