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I have a live mobile app on both iOS and Android that needs a full refresh. My priorities span three areas at once: • Sharpen the User Interface so the screens feel modern, consistent and intuitive. • Optimise Performance—faster load times, smoother animations, lower memory use. • Add a short list of new features that I will share once you have reviewed the current build. I’ll give you access to the existing repositories and an overview of the current architecture. After an initial code and design audit, I’ll need a clear action plan with milestones, then iterative builds I can test on TestFlight and internal Android tracks. Deliverables 1. Updated source code with in-line comments and a brief change log. 2. New UI assets integrated and pixel-perfect across common screen sizes. 3. Performance metrics (before vs. after) demonstrating tangible gains. 4. Newly implemented features fully functional and covered by basic unit or widget tests. 5. Release-ready builds for both App Store and Google Play. Show me examples of cross-platform apps you’ve improved in these exact areas and outline which frameworks or performance tools you prefer to work with. Let’s make this app feel brand-new.
ID do Projeto: 40355307
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✔️✔️✔️✔️✔️ Full Mobile App Refresh – UI Upgrade, Performance Boost & Feature Expansion ✔️✔️✔️✔️✔️ Hello, I checked your requirement and understand you want to revamp your live iOS & Android app with a modern UI, improved performance, and new feature integration through a structured, iterative process. I have strong experience optimizing cross-platform apps (Flutter/React Native), focusing on smooth UI, faster load times, and efficient memory usage using tools like profiling, lazy loading, and animation optimization. I will start with a full audit, deliver a milestone-based action plan, and provide continuous TestFlight/Android builds with measurable performance improvements. You’ll receive clean, well-documented code, pixel-perfect UI updates, tested features, and release-ready builds for both platforms. Let’s chat… Thanks
$500 USD em 7 dias
9,3
9,3

Hello!! I have carefully reviewed your requirement for revamping your existing iOS and Android mobility app, focusing on UI improvement, performance optimization, and feature enhancement. I have 10+ years of experience in mobile app development and have successfully refactored and optimized cross-platform apps (Flutter/React Native) to improve usability, speed, and scalability. I will begin with a detailed code and UI audit, followed by a clear milestone-based plan. The work will include modern UI redesign (consistent, intuitive screens), performance tuning (load time, memory, smooth animations), and seamless integration of new features. I use tools like Firebase Performance, Flipper, and profiling tools to measure and validate improvements. You will receive updated source code, pixel-perfect UI, performance comparison reports, tested features, and release-ready builds for TestFlight and Play Store. I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE, WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STORES. I am ready to review your current build and deliver a structured improvement plan. I eagerly await your positive response. Thanks.
$250 USD em 7 dias
8,3
8,3

⭐⭐⭐⭐⭐ At CnELIndia, we don't just develop apps; we craft user experiences. Our lengthy experience in both iOS and Android app development- including extensive work with React Native -have honed our skills to match your project's requirements beautifully. We understand the need for seamless user interface designs, optimized performance, and adding new features - all without compromising quality or speed. Our commitment to transparency is rooted in our approach - giving you access to the entire process, from repository to milestone plan. We've conducted successful code and design audits on similar projects before curating actionable plans that deliver tangible gains - just like you want. Working iteratively, we provide TestFlight tracks empowering you for thorough internal tests. We are well-equipped to handle your project's usability-related demands with expertise that spans across your required areas of focus. As one of the leading development enterprises with a rock solid track record, we guarantee an emotive revamp for your brand through your app where brand-new meets intuitive. Let our team bring this renewed vision of yours for the Elsabet Mobility App to life, giving your users maximum productivity while reflecting your brand at every touchpoint. Choose us; choose unparalleled professionalism and exceptional deliverables.
$500 USD em 7 dias
7,0
7,0

Hi there To make your app feel brand-new, the most critical part is improving UI consistency and performance together, not as separate tasks, so every screen feels smoother, faster, and more polished in real use. I’ll approach this by starting with an audit of the current codebase and build behavior, then prioritizing the changes that deliver the biggest gains across “modern, consistent and intuitive” UI and measurable performance improvements. This ensures the refresh is visible to users and technically solid under the hood. This means I understand how to step into a live mobile app, modernize the experience, and ship changes safely through iterative TestFlight and Android builds. I’ve worked on mobile products where cleanup, optimization, and focused feature delivery were the difference between an app that merely worked and one that felt ready for growth. My process is simple: audit the current build and bottlenecks → refresh the UI and key flows → improve load times, animations, and memory use → implement new features, test, and prepare release-ready builds. I’m ready to begin with the audit and milestone plan immediately, then move quickly into the highest-impact improvements..
$500 USD em 7 dias
6,8
6,8

Hi, We specialize in refreshing live apps—making them faster, cleaner, and more modern. UI/UX upgrade for a consistent, intuitive feel Performance optimization (load speed, smooth animations, memory use) Clean integration of new features into your existing codebase We’ll start with a quick audit + action plan, then deliver iterative builds via TestFlight & Android tracks. You’ll get: Updated, well-documented code + changelog Pixel-perfect UI Measurable performance improvements Tested features + release-ready builds
$500 USD em 7 dias
6,6
6,6

Hello, I’ve gone through your project details, and this is something I can definitely help you with. With over 10 years of experience in mobile app development, I specialize in cross-platform technologies like Flutter and React Native. My focus is on delivering modern, intuitive user interfaces while optimizing performance for faster load times and smoother animations. I will start with an in-depth code and design audit of your existing app, followed by a clear action plan outlining milestones. I’ll integrate new UI assets and ensure everything is pixel-perfect across various screen sizes. You’ll receive performance metrics demonstrating tangible improvements, along with release-ready builds for both iOS and Android. Here is my portfolio showcasing similar projects: https://www.freelancer.in/u/ixorawebmob. I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: What specific new features are you looking to add to the app? Let’s discuss over chat! Regards, Arpit Jaiswal
$250 USD em 21 dias
7,4
7,4

Hello, I understand that you are looking to revamp your existing mobile app on both iOS and Android, focusing on improving the User Interface, optimizing performance, and adding new features. As an experienced Mobile App Developer with expertise in User Interface / IA, iOS Development, and App Design, I am confident in my ability to deliver the results you are looking for. I will start by conducting a thorough code and design audit, followed by creating a clear action plan with milestones for iterative builds. I will ensure effective communication throughout the project and provide you with release-ready builds for both App Store and Google Play. Please find examples of my previous work in my portfolio https://www.freelancer.com/u/Curveballsol I look forward to working with you to make your app feel brand-new. Best regards, Curveball Solutions
$600 USD em 8 dias
6,2
6,2

Hello There!!! ★★★★ ( Revamp mobility app with modern UI, better performance & new features ) ★★★★ I understand you need a full refresh of your existing iOS and Android app—improving UI consistency, boosting performance, and adding new features after a proper audit and roadmap. ⚜ UI/UX redesign with modern standards ⚜ Code audit & architecture review ⚜ Performance optimisation (speed, memory) ⚜ Smooth animations & responsiveness ⚜ Feature development & integration ⚜ Testing (unit/widget + TestFlight builds) ⚜ Release-ready builds + changelog I’ve worked on cross-platform apps improving both design and performance, and I really enjoy refining apps to feel fast and polished. My approach is to first audit code/UI, define milestones, then optimise using tools like Flutter DevTools or native profilers, followed by iterative builds. Let’s connect and review your current app. Warm Regards, Farhin B.
$256 USD em 10 dias
6,5
6,5

Hi, We’ve recently revamped a similar app called “Concio,” where we focused on UI/UX improvements, performance optimization, and new feature development. We also integrated Firebase for push notifications and used tools like Sentry for error tracking and Google Lighthouse for performance metrics. For your project, I’d recommend using Flutter with a custom backend for maximum flexibility. This approach allows us to build fully optimized native apps while sharing code between iOS and Android, saving time and costs. We can also enhance your app with features like user onboarding, A/B testing, and deep linking to drive user engagement. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best regards, Adil
$516,65 USD em 7 dias
5,9
5,9

Hi I can perform a full refresh of your existing iOS and Android app—modernizing the UI, boosting performance, and implementing the new feature set. I’ll start with a detailed audit of your current repositories to identify design inconsistencies, code inefficiencies, and performance bottlenecks. From that, I’ll deliver an action plan with clear milestones and estimated timelines. Using tools such as Flutter DevTools, Android Profiler, and Instruments (for iOS), I’ll optimize rendering, memory usage, and network calls. The updated UI will follow a consistent design system with pixel‑perfect layouts and smooth animations across devices. You’ll receive iterative TestFlight and internal Android builds for feedback, plus measurable before‑and‑after performance metrics. All changes will be documented with in‑line comments, a concise change log, and release‑ready builds for both stores. Best, Justin
$500 USD em 7 dias
5,9
5,9

Hii there, I’m offering a 30 percent discount for this project and would be glad to assist you with the Elsabet mobility app revamp and new feature development. With experience in mobile app design and development, I can modernize your app’s UI/UX and implement features that enhance usability and engagement. I will revamp the interface with a clean, intuitive design, optimize performance, and ensure responsiveness across iOS and Android devices. I can also add or improve features such as real-time tracking, notifications, booking flows, payment integration, and analytics dashboards, depending on your requirements. As a dedicated freelancer, I prioritize attention to detail, clear communication, and delivering high-quality, user-friendly applications. I am confident that I can revamp your mobility app and add valuable features that improve functionality and user experience. Kind regards,
$250 USD em 1 dia
6,2
6,2

Greetings, I understand the need to revamp the elsabet Mobility App to enhance User Interface, optimize Performance, and add new features. My approach includes conducting a thorough code and design audit to create a structured action plan with clear milestones. I will ensure the new UI assets are integrated seamlessly and the performance improvements are measurable through before-and-after metrics. With a proven track record in Mobile App Development, User Interface design, and Performance Optimization, I am confident in delivering results that align with your objectives. You can view examples of my work in my portfolio: ⭐⭐ https://www.freelancer.com/u/CodeAnchors ⭐⭐ Before proceeding, could you please share more details about your top priority among the three areas mentioned? Let's discuss further in an open chat to finalize the scope smoothly. Best regards, Muhammad Anas Khan
$350 USD em 6 dias
5,2
5,2

Hi I have strong experience refreshing live cross platform mobile apps with a focus on UI modernization, performance optimization, and safe feature expansion across existing production codebases. The main technical challenge in projects like this is improving design and speed without introducing regressions, especially when legacy state management, navigation, or rendering patterns are already in place. My approach is to start with a structured audit of the current architecture, identify UI inconsistencies and performance bottlenecks, and then implement targeted improvements backed by measurable before and after metrics. I work comfortably with Flutter and React Native, using profiling tools, render analysis, memory inspection, and build optimization to improve load times, animation smoothness, and overall stability. I can also integrate new UI assets pixel perfectly, add the next feature set cleanly into the existing architecture, and deliver release ready builds for both TestFlight and Google Play internal testing. My focus is always a polished result, maintainable code, and an app that feels significantly more modern and responsive without disrupting what already works. Thanks, Hercules
$500 USD em 7 dias
5,3
5,3

hi, i have reviewed the details of your project. i have experience refreshing live mobile apps on both ios and android, focusing on ui improvements, performance optimization, and adding new features. i will start with a thorough audit of your current code and design, then create a clear action plan with milestones. the ui will be modern, consistent, and intuitive, with pixel-perfect integration across common screen sizes. performance will be optimized for faster load times, smoother animations, and lower memory usage. your new features will be implemented with clean, maintainable code, basic unit/widget tests, and detailed inline comments. i typically work with flutter or react native for cross-platform performance and use profiling tools to measure improvements. let’s have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. i will share my portfolio in the chat. mughiraa
$500 USD em 7 dias
5,0
5,0

✋ Hi There!!! ✋ The Goal of the project:- Refresh and enhance the Mobility App with modern UI, optimized performance, and new feature integration. I have carefully reviewed your requirements including UI modernization, performance improvements, and feature additions. I am confident I am the best fit because I have extensive experience revamping cross-platform mobile apps with measurable results. 1. UI redesign and pixel-perfect integration across iOS and Android 2. Performance optimization including faster load times, smoother animations, and lower memory use 3. Implementation of new features with full testing, database management, and complete source code delivery I have 9+ years experience as a full stack developer and have successfully improved mobile apps for usability, speed, and feature expansion. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$251 USD em 7 dias
5,0
5,0

Hello! I appreciate the opportunity to work on refreshing your mobile app for both iOS and Android. I understand your priorities are to enhance the User Interface, optimize performance, and implement new features to create a modern, intuitive experience for your users. With over five years of experience in mobile app development, I have transformed several cross-platform applications, focusing on UI/UX improvements, performance enhancements, and feature integrations. I’m proficient in using frameworks such as React Native and Flutter, along with performance tools like Firebase Performance Monitoring and Flipper to ensure smooth animations and fast load times. To achieve your goals, I propose the following approach: - Conduct a comprehensive audit of the current codebase and design to identify areas for improvement. - Develop a clear action plan with milestones for UI updates, performance optimizations, and feature implementations. - Implement iterative builds for testing on TestFlight and internal Android tracks, ensuring regular feedback loops. - Deliver updated source code with in-line comments, new UI assets, and performance metrics to showcase improvements. I’m excited to help make your app feel brand-new and am ready to start right away. Let’s discuss further details and how we can bring your vision to life!
$250 USD em 7 dias
4,6
4,6

⭐⭐⭐⭐⭐ Refresh Your Mobile App with Modern UI and Optimized Performance ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project needs and see you are looking for a complete refresh of your mobile app. Look no further; Zohaib is here to help you! My team has completed over 50 projects focused on enhancing mobile apps. I will analyze your current build and create a clear action plan with milestones to ensure the best results within your budget. ➡️ Why Me? I have 5 years of experience in mobile app development, specializing in UI design and performance optimization. My skills include user interface design, cross-platform development, and performance tuning. Additionally, I have a strong grip on tools and frameworks that enhance app performance, ensuring a smooth user experience. ➡️ Let's have a quick chat to discuss your project in detail. I can share samples of my previous work that highlight my success in these areas. Looking forward to our conversation! ➡️ Skills & Experience: ✅ UI Design ✅ Performance Optimization ✅ Cross-Platform Development ✅ Code Audits ✅ Change Management ✅ TestFlight Deployment ✅ Android Development ✅ iOS Development ✅ Unit Testing ✅ User Experience (UX) ✅ App Store Submission ✅ Performance Metrics Analysis Waiting for your response! Best Regards, Zohaib
$350 USD em 2 dias
5,2
5,2

Hi, There, I understand that you require a comprehensive refresh of your mobile app on both iOS and Android, focusing on a modern User Interface, enhanced performance, and the addition of new features. I am well-equipped to meet your needs through intuitive design and optimized functionality. With over 7 years of experience in Mobile App Development, I specialize in User Interface / IA, App Design, iOS Development, App Store Optimization, and Performance Tuning. My background allows me to deliver polished products that significantly enhance user engagement and performance. Here are my portfolio links showcasing cross-platform app improvements: [Portfolio Link](https://www.freelancer.com/u/KanzahAfaqAhmad) I am excited to collaborate with you to make your app feel brand-new and achieve your vision effectively. Thank you. Regards, Kanzah Afaq
$500 USD em 7 dias
4,4
4,4

Hello, I have reviewed your requirement and it is fully matching with my skills in mobile app design, app improvement, and performance optimization. I have experience making iOS and Android apps look better, work faster, and feel easier to use. My approach is to first review your current app, then improve the design, make the app faster, and add the new features you need. I will share updates step by step so you can test them easily. I will also provide updated code, working builds for iPhone and Android, and a simple report showing the improvements. Looking forward to hearing from you. Regards Saurabh S.
$250 USD em 12 dias
4,5
4,5

***** Mobile App UI/UX & Performance Revamp ****** Hello, How are you? I've gone through your JOB POST and you want to refresh your existing iOS and Android app with improved UI/UX, optimized performance, and new feature enhancements. The project will include a full code/design audit, modern interface redesign, performance tuning (speed, memory, animations), and seamless feature integration. Key features include iterative TestFlight/Android builds, measurable performance improvements, and clean, well-documented release-ready code. Lets connect... Thanks
$300 USD em 7 dias
4,6
4,6

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