React Native App Migration

@infowider11

⭐️⭐️⭐️ Base44 to React Native & Supabase SaaS Migration ⭐️⭐️⭐️ Hello, I checked the JD and you need to migrate your existing Base44 responsive web application into a production-ready native mobile app using React Native while rebuilding the backend on Supabase. The goal is a clean, scalable architecture with full source code ownership, secure authentication, and readiness for App Store and Google Play deployment. Main Features: * Base44 code export and migration * Codebase refactoring and cleanup * React Native (Expo) mobile app development * Cross-platform iOS and Android support * Supabase backend integration * PostgreSQL database setup and migration * Secure user authentication * Sign-up and login functionality * Native UI/UX conversion from existing design * Responsive and high-performance mobile interface * API and data layer integration * Full source code handover * Repository ownership transfer * Database administrative access * RevenueCat integration * Apple App Store deployment support * Google Play Store deployment support * Managed cloud infrastructure configuration * Scalable and maintainable architecture * Documentation and deployment notes Let’s chat about your migration plan and build a robust React Native application that’s optimized for future growth and seamless store publishing. Thanks

@appmechanic

Hello, I hope you're having a great day. I bring hands-on experience migrating web frontends into native React Native apps, having delivered multiple builds that used Expo and Supabase in production-like setups. A recent build involved moving a responsive web UI into an Expo-managed app, refactoring platform-specific code, and recreating a PostgreSQL schema with JSONB columns while implementing Supabase auth and storage for user files. I'll start by exporting the repo from GitHub, running a static analysis to remove Base44 boilerplate, then scaffold an Expo app and map components to React Native primitives; I'll wire Supabase for auth and database access and set up CI for repository handover. I have some questions regarding the project: 1) Will authentication require third-party SSO (Google/Apple) or just email/password and magic links via Supabase? 2) Does the current data model include JSONB blobs, file uploads, or relations that need migration tooling? 3) Are there any custom native modules or plugins (camera, background tasks, in-app purchases) you expect in the mobile app? Glad to share more on my approach if you'd like to walk through the database schema or App Store provisioning together. Thank you, Paramjot Singh

@corpmember29

Hello, I have carefully reviewed your requirements and understand that this project involves migrating an existing Base44 web application into a production-ready native mobile application using React Native and Supabase. Since there are currently no active users or production data, this provides an excellent opportunity to establish a clean, scalable architecture without legacy migration constraints or downtime concerns. My approach will begin with exporting and auditing the existing Base44 codebase from GitHub, followed by refactoring the code to remove platform-specific dependencies and improve maintainability. I will then recreate the database structure within Supabase, implement secure authentication flows (Sign Up, Login, Password Reset), and configure the backend for future scalability. For the mobile application, I will convert the existing responsive UI into high-performance React Native components using Expo, ensuring a consistent experience across both iOS and Android platforms. The application will be optimized for responsiveness, performance, and long-term maintainability. The project will also include RevenueCat integration for subscription management, complete source code ownership transfer, full Supabase administrative access, and support for Apple App Store and Google Play Store submissions.

@diektech

Hi — Elias here from Miami. I see you're looking to migrate a responsive web application to a React Native mobile app. The goal is to create a seamless experience for users across platforms, crucial for engagement and retention. What usually matters most here is ensuring the new app retains the functionality of your existing platform while also addressing mobile-specific challenges. A common issue in systems like this is handling state management effectively, especially with user permissions and data synchronization. The tricky part is ensuring the app scales well as user demand grows. My approach would involve structuring the app to prioritize maintainability and performance. I'd focus on modular components that are easy to update and test, while ensuring robust integration with your backend, possibly leveraging PostgreSQL for data handling. I have worked on similar migrations before, giving me insight into potential pitfalls and best practices. A few questions to better understand the scope: Q1 – What specific features from the web app are critical to retain in the mobile version? Q2 – Are there any third-party integrations we should consider during the migration? Q3 – What are your expectations for user growth in the coming year? Happy to discuss details and suggest the best technical approach. Looking forward to hearing from you.

@rahuliitm69

Hi there, As you already have the application built on Base44 and there are no active users or production data to migrate, I can help you smoothly move it to a scalable React Native + Supabase architecture. Once you share the existing application and codebase, I will start by reviewing the current setup, exporting and refactoring the code, and recreating the database and authentication flow in Supabase. Then I will convert the existing UI into native React Native components, integrate RevenueCat, and prepare the app for both App Store and Play Store submissions. I would request a quick call to review the current platform and discuss the roadmap. Based on that, I can provide a detailed migration plan, timeline, and recommendations. Thanks, Rahul A.

@Hammadhassan21

Hey, i will build a clean and professional cross-platform React Native (Expo) mobile application for your SaaS migration project that is focused on improving performance, rebuilding your Base44 web app into a scalable native mobile experience, and ensuring a smooth production-ready deployment for iOS and Android I will work directly on the required stack (React Native, Expo, Supabase) to migrate and refactor your existing Base44 application into clean, maintainable mobile code. This will include rebuilding UI components into native React Native screens, setting up Supabase authentication and database schema, integrating secure API flows, and ensuring the app is fully optimized for both iOS and Android performance. I will also assist with App Store and Google Play deployment setup along with proper project structuring for long-term scalability. i am interested to doing this work and i am agree with your budget Do you already have access to the current Base44 GitHub export so I can review the existing structure before migration? portfolio: https://www.freelancer.com/u/Hammadhassan21 Best Regards: Hammad Hassan

@mrresearcher99

Hi there, I’ve reviewed your project and would be happy to help. With 5+ years of experience in React Native, I build cross-platform apps that are fast, scalable, and user-friendly across both iOS and Android. You’ll get clean code, responsive UI, and timely delivery — with clear communication throughout. Let’s connect and get started! Best, Bhargav React Native Developer | 5+ Years Experience

@Herculesz

Hi I have experience migrating web apps into React Native Expo apps with Supabase, PostgreSQL, authentication, API refactoring, GitHub workflows, and App Store/Google Play preparation. The main technical challenge is separating the useful Base44 app logic from platform-specific boilerplate while rebuilding the database, auth, and UI in a clean mobile-native architecture. I would start from the exported GitHub code, map the current screens and data flows, then recreate the app with reusable React Native components, navigation, state handling, and Supabase services. For Supabase, I can set up tables, relationships, secure auth, row-level security policies, storage if needed, and admin ownership under your account. For the mobile app, I can port the existing responsive UI into native Expo screens that feel smooth on iOS and Android. I can also support RevenueCat integration, subscription entitlement logic, build configuration, and store submission preparation. The final delivery would include clean source code, environment setup notes, database access handover, and documentation so the app can be maintained independently. Thanks, Hercules

@asifalimzd

Hi there, I am leading a team of senior React Native and full-stack engineers and would like to work on your project as per your requirements. We are really interested in migrating your existing Base44 web application into a clean, production-ready React Native (Expo) mobile app with Supabase backend, secure authentication, database schema rebuild, UI/UX porting into native components, and full App Store / Google Play deployment support including RevenueCat integration. Could you please confirm whether you want the first milestone to focus on Supabase architecture + authentication setup, or the full React Native UI migration from day one? Kindly drop me a message to discuss more in detail. Thanks.

@alimumtaz112

Hi, It will be an honor for me to work with you. I have got 12 years of mobile application development experience (iOS, android and React Native). Lets discuss this in detail and get this started. Looking forward to hear from you.

@doomshellsl

Hello, Your React Native App Migration project is a strong fit for our expertise in cross-platform mobile development and web-to-app migrations using React Native (Expo) and Supabase. We specialize in rebuilding web applications into clean, production-ready mobile apps with proper architecture, authentication, and scalable backend integration. We can help with: ✔ Migration of Base44 web app into React Native (Expo) ✔ Refactoring and cleaning exported codebase ✔ Building native mobile UI components for iOS & Android ✔ Supabase integration (PostgreSQL + authentication setup) ✔ Secure API layer and database schema recreation ✔ App Store and Google Play deployment support ✔ GitHub repository setup and full source handover We work with: ✔ React Native / Expo ✔ Supabase (PostgreSQL, Auth, APIs) ✔ Mobile-first UI architecture ✔ Cloud-based backend systems ✔ App deployment pipelines Deliverables: ✔ Fully functional React Native iOS & Android apps ✔ Clean migrated and optimized codebase ✔ Supabase backend with authentication + database ✔ Production-ready build with deployment guidance Quick questions: 1. Does the current Base44 app expose a full API layer, or do we need to rebuild backend logic during migration? 2. Should we prioritize pixel-perfect UI replication of the web app or improve UX for native mobile behavior during migration? Regards, Doomshell Software Pvt Ltd (20+ years experience)

@kaustubhkpatil

With over a decade of experience as a mobile app developer, including extensive knowledge of Android and iOS platforms, I am well-equipped to handle your React Native app migration project. Having worked on numerous mobile projects, I am deeply familiar with the unique demands of the migration process. I can seamlessly export your existing codebase from Base44, refactor it via Git and strip out any irrelevant platform-specific elements to ensure optimal cross-platform performance in your desired Expo framework. In addition to a rich understanding of front-end development with React Native, I possess strong back-end and database skills necessary for recreating and optimizing your PostgreSQL database using secure User Authentication mechanisms within Supabase. This comprehensive approach ensures that all facets of your migration will meet or exceed expected standards. By entrusting your project to me, you guarantee yourself on time delivery of high-quality work alongside full source code ownership and guaranteed managed database administrative access. Let's create a leaner and more efficient native mobile application from your existing web app

@pinkeegupta

Hi I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native, and for web and backend on react js and node js, Python Django. Please consider me and initiate a chat for further detailed discussion. Regards, Anju

@skalogir

Hi there, I understand you need a UK-based agency to migrate your Base44 responsive SaaS app into a native React Native/Expo mobile app, with cleaned exported code, Supabase authentication/database setup, native UI porting, RevenueCat integration, and App Store/Google Play deployment support. I have experience rebuilding no-code/low-code web apps into production mobile apps using React Native, Expo, Supabase/PostgreSQL, secure auth, reusable native components, subscription integrations, GitHub handover, and store submission workflows. I would audit the Base44 export, rebuild the architecture cleanly rather than carrying platform boilerplate, recreate the schema in Supabase, port screens into performant native components, integrate RevenueCat, prepare builds, and transfer full repository/database ownership. Q1: How many screens and main user flows exist in the current Base44 app? Q2: Will subscriptions be required at launch through RevenueCat, or only prepared for future release? Q3: Do you already have Apple and Google developer accounts ready? Best regards.

@codefusion53

Hi, Your project is a good fit for a clean migration because there are no active users, production data, or downtime constraints. I can help move the Base44 application into a proper React Native Expo mobile app with Supabase as the managed backend, while keeping the architecture simple, scalable, and ready for App Store and Google Play submission. My approach would be to review the exported GitHub code, identify reusable logic, remove Base44 specific dependencies, recreate the database schema in Supabase, implement native authentication, and rebuild the responsive web UI as true React Native components. I can also structure the project for future maintenance with clean folders, reusable components, typed API calls, environment configuration, and clear documentation. I have experience with React Native, Expo, Supabase, PostgreSQL, GitHub, SaaS migrations, mobile app architecture, authentication flows, and store deployment preparation. I can also support RevenueCat integration for subscriptions and guide the handover so you retain full ownership of the repository and managed database access. Best, Justin

@rbtech1984

Hello There!!! ★★★★ (Clean migration from Base44 web app to scalable React Native + Supabase architecture) ★★★★ Project understanding: I understand you need a full migration of your existing Base44 web app into a production-ready React Native mobile application using Expo. The work includes rebuilding backend with Supabase, implementing authentication, refactoring code, and deploying for both iOS and Android with proper store readiness. Services: ⚜ Migrate Base44 web app into clean React Native (Expo) codebase ⚜ Setup Supabase database with secure auth (login/signup flows) ⚜ Rebuild UI into native mobile components for iOS & Android ⚜ Refactor and clean existing exported GitHub code structure ⚜ Connect frontend with backend APIs and database securely ⚜ Prepare deployment for App Store & Google Play submission ⚜ Provide full handover with documentation and repo ownership I have experiance in React Native and full-stack mobile migrations where I convert web apps into scalable mobile applications using clean architecture and production standards. I will use Expo for faster cross-platform delivery and Supabase for scalable backend with authentication and database management. Focus will be on stability, clean code and future app store compliance. Looking forward to working on this migration end-to-end. Warm Regards, Farhin B.

@vladang

The fact that there are no active users or production data actually makes this migration much cleaner. Rather than trying to preserve platform-specific behavior from Base44, I'd start by exporting the codebase, identifying what can be reused, and stripping out anything tied to the Base44 runtime before rebuilding the application structure around React Native and Expo. From there, I'd recreate the data model in Supabase, implement authentication properly at the mobile layer, and wire the app against the new backend before moving on to UI migration. The responsive web screens can usually be translated into native components without much friction, but I'd pay attention to navigation patterns, offline states, and performance so the app feels mobile-first rather than a wrapped website. I recently worked on SaaS products where existing frontends were migrated into modern frameworks while simplifying the codebase and reducing long-term maintenance overhead. One thing I'd recommend is setting up RevenueCat during the core build rather than treating it as a final deployment task, since it impacts account flows and testing. Do you already have the Base44 GitHub export available, and are there any subscription tiers planned for launch?

@techplusintl

Hi there, ★★★ React Native Expert ★★★ 4+ Years of Experience ★★★ I can migrate your existing web application from Base44 and create a native mobile application using React Native with secure user authentication and database setup. This will include: - Code export and refactoring from Base44 - Database schema recreation in Supabase - Translation of UI/UX elements into React Native components - Handover of source code and database access - Support for App Store submissions I will follow a structured approach to ensure a smooth migration and deployment process, utilizing best practices in React Native development and database management. Ready to start once you provide access to the current codebase and any specific requirements for the UI/UX. Thanks!

@gtssoftindia

Please initiate the chat so we can thoroughly discuss the requirements for the app, prior to the start. Happy to provide the final budget in chat. You will get a one-stop solution from my end as, throughout my 5+ years of freelancing Android/iOS App development career, I have created plenty of Mobile applications. I ensure to give the best quality app with good performance and responsive attractive UI and I have provided the clients with excellent results. I have expertise in Swift, React Native, Node.js, React.js, Angular, Laravel, and PHP. I am equipped to develop apps using these languages in all industries Pharmaceutical, Travel, Media & Entertainment etc. I also handle backend integrations for third-party collaborations on your systems. well versed in Mobile App Development in-App-Purchases, User Authentication, User Profile Creation, Location, Chat and Messaging, Map Integration, Payments, Social Media Account Integration, and many more to show. Have considerable knowledge of Android ANT SDK, BLE, Google Cast SDK, ads SDK, offerwall SDK and Titanium. I use libraries such as Sherlock Action Bar, OpenGL, Media Framework, and WebKit to build IoT integration app solutions. I am always interested in making long term professional relationships with my clients to ensure that every project becomes successful. So, if you hire me, I can assure you that you will not regret your decision. Best Regards Tejash J.