Enhance Existing App Prototype

@Srashtasoft

Hi there, I have read your project requirement. You need a UI/UX overhaul of your existing mobile app along with implementing a secure authentication system (signup, login, password reset, token handling) while improving accessibility and navigation. We can redesign your app with a modern, accessible UI aligned with WCAG 2.1 AA standards, refine navigation flows, and implement a secure authentication layer (JWT/OAuth/Firebase depending on your backend). The update will include clean, scalable code, proper state management, and basic automated tests to ensure stability across iOS and Android. A few questions to clarify before proceeding: ===================================== What is your current tech stack (Flutter, React Native, or native iOS/Android)? Is there an existing backend/auth system or should we design authentication from scratch? Do you have finalized design mockups or should we create them during this phase? Any specific accessibility requirements beyond WCAG 2.1 AA (e.g., localization, voice support)? Best Regards, Srashtasoft Team

@technologiesit

Using my extensive skills and experience developed over the course of a decade, I am well-positioned to bring your app prototype to its pinnacle. My expertise is broad and includes Graphic Design and Mobile App Development, both of which will be crucial in giving your app a fresh facelift while maintaining optimal functionality. Besides breathing life into your existing UI/UX design, I can also ensure that your app meets accessibility requirements to provide an inclusive user experience. Lastly, as a business-oriented professional, I'm not simply content with generating code; I create solutions that drive results. This means my work does not conclude at the completion of the project but continues in the form of long-term support. With my commitment to fast delivery, clear communication, and scalable & secure solutions, your app will be in capable hands. Let's work together to transform your vision into reality and bring your app closer to public-ready release.

@rehmananjam786

As a seasoned mobile app developer well-versed in Flutter and Android, I firmly believe I'm an ideal candidate to enhance your existing prototype. Having aided numerous startups in transforming their visions into fully-functional apps, I've adopted a proficient approach encompassing all manners of development, from UI enhancements to backend integrations. My passion for clean design and fast, reliable code aligns perfectly with the core objectives you seek. With a full-scale UI/UX refresh on the agenda, my strong eye for design will ensure we not only meet but surpass your expectations. I have an extensive grasp of security practices, making me more than capable of handling robust user authentication, keeping it secure and aligned with current best practices. Your app's accessibility is also paramount; I am well-versed in WCAG 2.1 AA standards that uphold contrast, focus order, and screen-reader labels. Moreover, my credibility lies in my ability to deliver swift iterations without compromising quality. Given access to the current source and brief explanation of each screen's function, I can quickly gauge the necessary effort and suggest the best toolset or libraries to move forward with. Overall, my aim is to optimize your app's performance and ensure flawless functionality across all devices running latest iOS and Android versions—no new crashes or blocking warnings. Let me turn your project into a shining reality!

@fullstack0407

I have read your job post and I understand you need UI/UX improvements and a secure authentication system for your existing app. I am a full-stack developer with experience in mobile apps, UI design, and secure login systems. I have worked on redesigning apps, improving navigation, and adding features like signup, login, and password reset with secure token handling. I also follow clean code and testing practices. My approach is to first review your current app and design files. Then I will update the UI to match the new design with better flow and accessibility. After that, I will build a secure authentication system and connect it with your backend. I will also test all features on devices. In the end, you will get a smooth, user-friendly app with strong design and secure login ready for release.

@NEHABHAT92

With over 9+ years in mobile app development, I'm confident my expertise and skills align perfectly with the needs of your project. What sets me apart from others is not only my proficiency in iOS development and Mobile App Development, but also my deep understanding of UI/UX design and mobile security practices. I love a challenge and would consider this project as a perfect opportunity to showcase my abilities. I understand that you need more than just a simple polish for your app - you need a complete design overhaul and enhanced accessibility. I am not only proficient in HTML/HTML5/CSS/Responsive Design, but also very attentive to detail - promising pixel-perfect UI that matches the agreed mock-ups across various target devices. Furthermore, I value clean and efficient code - something that is especially important for mobile apps. Given the current project stage, I understand it's crucial to iterate quickly without compromising on code quality. My commitment to keeping code clean while delivering within designated timeframes will ensure your app is ready for public release. Let me assure you that once completed, your app will meet not just your requirements, but also industry-standards such as WCAG 2.1 AA for accessibility. Additionally, with my skills in Mobile App Testing (which includes automated tests), I guarantee that your new authentication flow won't have any security issues or functionality gaps when integrated

@bpatidar2793

I understand you have a working prototype and need a focused upgrade covering a complete UI UX overhaul and secure authentication integration before public release. I will first review your current app, then redesign flows with improved navigation, accessibility, and modern UI ensuring WCAG compliance. I will implement a robust authentication system with signup, login, password reset, and secure token handling aligned with best practices. The updated design will be pixel accurate across devices and smoothly integrated with your backend. I will maintain clean code, add basic tests, and ensure stable builds on both iOS and Android without introducing new issues.

@Mayanks010

Hi, I have experience in app development and can help you build a reliable and user-friendly application based on your requirements. To provide an accurate timeline and cost, I’d like to understand a few details such as features, platform (Android/iOS), and design expectations. Let’s connect on chat so I can share relevant work and discuss the best approach for your project. Best regards, Mayank

@Gauravkrpatel01

Hi, This is the perfect stage to level up your product—UI/UX overhaul + secure auth is where apps move from “working” to “ready for real users.” I’ve handled similar upgrades where I redesigned flows, improved accessibility, and implemented secure authentication without breaking existing architecture. I’d start with a UX audit → redesign screens (clean navigation, WCAG 2.1 AA compliance), then implement auth using best practices (JWT/OAuth, secure token storage, password reset flows, validation). I’ll ensure pixel-perfect UI, smooth navigation, and add basic automated tests so everything is stable across iOS & Android. I focus on clean, scalable code while improving real user experience—not just visuals. Happy to review your current build and suggest improvements upfront. What stack is your app currently built on (Flutter, React Native, native)?

@RajAbhisek

Hello, I understand you're looking to enhance your app prototype with a full UI/UX overhaul and robust user authentication for its public release. This is a crucial step to make your app ready and secure for users. I have good experience in turning prototypes into polished, production-ready apps. I’ve worked on projects requiring significant UI/UX improvements, ensuring clean navigation and better accessibility. I also have a strong background in implementing secure user authentication flows, including sign-up, login, and secure token handling, just like you need. We can definitely help you with this. My approach will focus on carefully redesigning the UI to match new mock-ups, making sure navigation is super smooth, and bringing in the WCAG 2.1 AA accessibility standards. For the authentication, we will integrate it securely with your existing backend and make sure it’s fully tested. We are really good at writing clean code and delivering quick iterations. I am confident we can get your app ready as per all your acceptance criteria, making it friendly and secure for all users. Ping us on chat, and we can discuss your current prototype and what you have in mind. Raj Abhisek Panda

@NareshJoshiTech

Hello, I’ve gone through your project details carefully, and I must say it sounds really interesting. I’d love to bring my experience to make it a success. With over 10 years of hands-on experience in web, mobile, and software development, I’ve had the privilege of working with clients from around the world — delivering 1000+ successful projects so far. My team and I are comfortable working with technologies like MEAN, MERN, Flutter, React Native, PHP, Laravel, Python, WordPress, Shopify, AI, Blockchain, CRM, CMS, and more. What truly drives me is solving complex challenges and transforming ideas into reliable, user-friendly products. I always aim for clear communication, transparency, and results that make clients feel confident they chose the right partner. You can review my portfolio here: https://www.freelancer.in/u/NareshJoshiTech I’d really appreciate the chance to discuss your project in detail and explore how we can create something great together. Looking forward to hearing from you. Warm regards, Naresh Joshi

@rainbowarts

Hi, I reviewed your scope (UI/UX overhaul + secure authentication). One common issue in this stage is adding auth without aligning it to the existing architecture, which often creates bugs or poor UX flows. I can restructure both UI and auth so they feel seamless and production-ready. I’ve worked on improving app prototypes with design refresh and secure login systems, so I understand balancing clean UI with proper token handling and stability across iOS and Android. Approach Full UI/UX redesign (clear navigation + accessibility focus) WCAG 2.1 AA improvements (contrast, labels, focus flow) Secure auth (signup, login, reset, token handling) Smooth integration with existing backend Basic test coverage for auth flows You’ll get a polished, stable build ready for public release. Quick question: what auth system is currently in place (if any), or are we implementing it from scratch? Shailendra!

@tyax07

I am a perfect fit for your project because you need a clean, professional, and user-friendly UI/UX overhaul with seamless navigation and integrated robust user authentication that follows best practices. With expertise in UI/UX design and mobile security, I can deliver a pixel-perfect, accessible interface meeting WCAG 2.1 AA standards and build a fully automated, secure authentication flow. While I am new to freelancer, I have tons of experience and have done other projects off site. I would love to chat more about your project! Regards, Ty Ax

@Andyloredo

Delivering a seamless and accessible user experience requires careful consideration of navigation flows and visual hierarchy, and I’ve consistently achieved that in previous mobile app redesigns. I'd approach the UI/UX refresh by first analyzing the existing user flows and identifying areas for simplification and improved accessibility, followed by creating updated mockups that align with your vision for a cleaner and more user-friendly design. I'm experienced in implementing robust authentication flows, including secure token handling, and ensuring WCAG 2.1 AA compliance, and I'm comfortable working with existing codebases and back-end integrations.

@andriii2

Hi, You’re looking to refine your existing app with a full UI/UX overhaul and add secure user authentication before public release. I’ve worked on cross-platform mobile apps using React Native and Flutter, focusing on clean architecture, smooth navigation, and scalable backend integration with secure auth systems. My experience in building production-ready apps ensures both performance and maintainability. I’d be a strong fit because I approach projects as complete systems, aligning UI, UX, and backend logic. I can redesign your interface with modern, accessible patterns, improve navigation flow, and implement a secure authentication system with proper token handling and testing. My plan is to first review your current code and flows, define updated UI guidelines, rebuild key screens with accessibility in mind, then integrate and test authentication across devices. Quick question: do you already have a preferred authentication method like JWT or OAuth that I should align with? Looking forward to working together ?

@iqrarafique663

As a freelancer and creative artist, I believe I am the perfect candidate to create the impactful Mobile Apps designing or others. My varied skills in After Effects, Graphic Design, Illustrator, Photoshop and my ability to work with subtlety and elegance in compositions will allow me to generate a design that captures your message at first glance. One of our largest projects was designing graphic solutions for a prominent YouTube channel showcasing a clean and professional approach; this experience underscores my understanding of the aesthetic you’re after. Kindly give me opportunity am newly at this platform.

@poojabansaldev

Getting WCAG 2.1 AA compliance right on the first pass saves three rounds of fixes later. Flutter's Semantics widget often gets ignored during UI overhauls, then becomes the bottleneck when testers flag contrast ratios and focus trapping. Your authentication flow will need either Firebase Auth with custom token refresh logic or a REST implementation using flutter_secure_storage for token persistence. Built a fintech app last year where we retrofitted auth into an existing prototype. The real work was migrating local state without breaking existing user flows. Which state management are you currently using, and do you want the auth layer to integrate with it or run parallel?

@agarwalnikita106

With over 5 years in web and mobile app development, I've honed the skills needed to undertake this task with utmost excellence. I've garnered significant experience in all key areas that this project demands – UI/UX design, front-end and back-end development, and mobile technologies like React Native and Flutter to tackle the specific needs of both iOS and Android platforms. As you look for a full user-interface refresh and improved navigation flows, I'm confident in my ability to deliver a design overhaul that goes beyond just surface-level improvements. My portfolio demonstrates my proficiency in creating elegant, intuitive designs based on extensive user personas that result in enhanced accessibility for different segments of users. My designs consistently meet WCAG 2.1 AA standards for contrast, focus order, and screen-reader labels to prioritize inclusivity. Your need for robust user-authentication resonated strongly with me, as this is an area where my expertise stands out. Having worked extensively on secure token handling, sign-up/sign-in flows, and password reset functionalities in line with industry best practices, I can ensure your users' data is protected while delivering a seamless experience.

@shivanis064

I am interested in this work . I am a dedicated graphic designer with a passion for creating clean, modern, and eye-catching designs that help brands stand out. I deliver on time communicate clearly, and ensure 100% client satisfaction with unlimited minor revisions until the final result is perfect.

@PetrusLubbe

‼️ONLY PAY WHEN YOU'RE 100% HAPPY‼️ Your need for a full UI/UX overhaul paired with robust user authentication shows you value both user experience and security. I’d start by streamlining navigation flows and enhancing accessibility to meet WCAG 2.1 AA standards, while integrating a secure, tested authentication system aligned with your backend. This ensures pixel-perfect design and flawless functionality on iOS and Android. While I’m new to Freelancer, I’ve done similar app upgrades off-platform that improved user retention and security compliance. Let’s chat! Worst case, you get a free consultation and real insight. Regards Pietie Lubbe