iOS, Android & Web App

@infowider11

***Cross-Platform iOS, Android & Web App with Real-Time Messaging -**** Hello, I understand you’re looking for a single application that works natively on iOS and Android while also running seamlessly in modern web browsers. The project focuses on secure user authentication and a real-time messaging system supporting one-to-one and group chats. I specialize in building scalable, cross-platform applications that meet these requirements. Authentication & User Management • Email/password login • Social login (Google, Apple) • Password reset • Secure session management Messaging & Chat • One-to-one chat • Group chat • Real-time updates • Message read receipts • Typing indicators Media & Notifications • Image/file sharing (optional) • Push notifications for new messages Let’s chat… Thanks

@Microlent

For a project like this where the same application needs to run smoothly on iOS, Android, and the web, I would build this using Flutter so we can maintain a single codebase while still delivering near-native performance and a consistent UI across all platforms. For authentication, I would use Firebase Authentication since it supports email login, social sign-in, and password reset out of the box with strong security. For the real-time chat (one-to-one and group conversations), Firestore works very well because it supports real-time updates, which makes messaging fast and reliable without building a complex backend from scratch. The app would be structured so the UI layer, authentication, and chat modules are separated cleanly, making it easier to maintain and extend later. We would also set up proper Git version control, and I would handle the builds for TestFlight, App Store, Google Play, and the web deployment. If you’d like, I can outline the app architecture and chat structure before we begin so everything is clear from the start. Jenifer

@diektech

Hi, This is Elias from Miami. I checked your project description and understand you need one cross-platform app that works smoothly on iOS, Android, and the web, with secure authentication and real-time chat for both direct and group messaging. The main goal is a clean, scalable build that feels consistent everywhere and is ready for full deployment. I’ve worked on similar cross-platform products with auth, live data, and production deployment flows. My approach would be to use Flutter with Firebase: Flutter gives a strong shared UI across mobile and web, Firebase Authentication covers email/social login and password reset cleanly, and Firestore/Realtime services are a solid fit for one-to-one and group chat with scalable live updates. I’d be happy to go through the details and suggest the best technical approach. I have a few questions to get a better understanding: Q1 – Do you already have UI designs and branding ready, or should I handle the full product UI as part of the build? Q2 – For chat, do you need extras like file sharing, read receipts, typing indicators, and push notifications in the first release? Q3 – Should social sign-in include Apple and Google only, or do you also want Facebook or other providers? Looking forward to hearing from you.

@irsolutions

My extensive experience in mobile and web development, particularly in iOS, Android, and web applications, aligns perfectly with the requirements for your project. I understand the need for a seamless cross-platform application with a strong emphasis on secure user authentication and real-time messaging capabilities. In previous projects, I have successfully delivered similar solutions in the fintech and eCommerce sectors, showcasing my ability to create robust and scalable applications that meet client expectations. Leveraging my expertise in Flutter and Firebase, I can ensure a consistent UI experience across all platforms while maintaining high performance and security standards. I am eager to work on this project with you and ensure it meets all your expectations. Please feel free to reach out to me for a detailed discussion on how we can bring your project to life. Looking forward to the opportunity to collaborate with you on this exciting project.

@corpmember29

Hello, Multi-Tenant NEMT Management System (Web + Mobile Apps) I have similar kind of expertise and work experience. I have 10+ years of experience in full-stack development and can build your multi-tenant NEMT management system with web and mobile apps for iOS and Android. Each transportation company will have a secure, isolated account and data, while drivers will have real-time trip tracking and management capabilities. Proposed Approach & Features: • Web & Mobile Admin: Full dashboard functionality for each company • Driver Mobile App: Trip execution, GPS tracking, digital signatures • Trip & Vehicle Management: Manual entry, CSV/Excel import, real-time assignment/reassignment • Accounting Module: Income, expenses, reports, PDF export for trips and signatures • Scalable Architecture: Clean, modular, and maintainable code Suggested Tech Stack: • Backend: PHP (Laravel) with MySQL • Mobile Apps: Flutter or React Native for cross-platform iOS/Android • Cloud: AWS or GCP for scalable hosting • GPS & Maps: Integrated real-time tracking I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND WILL ASSIST YOU FROM ZERO TO PUBLISHING ON STORES. I have delivered similar logistics and transportation solutions with real-time GPS tracking and multi-company setups and can start immediately. Awaiting for your positive response. Thanks

@rahuliitm69

Hi there, I have my own team and we have delivered multi-tenant systems and logistics-based platforms where multiple users/companies manage their own data securely, of which live demo we can show you. Since this involves a multi-tenant NEMT system with real-time operations, we will start with planning the backend architecture in Laravel to properly handle company isolation, trip management, drivers, and vehicles so the system stays scalable from the beginning. Then we will build Flutter-based mobile apps (iOS and Android) along with a react based web admin dashboard, including trip assignment, GPS tracking, driver management, and real-time updates so everything works seamlessly across devices. After that, we will implement features like digital signatures, accounting, and reporting with PDF exports so the system is complete and ready for real-world usage. Once the core system is stable, we will focus on performance, testing, and smooth deployment so it works reliably without breakdowns. We have a few questions: Do you already have any existing system or are we building everything from scratch? How detailed should the GPS tracking be (live tracking, route history, or both)? Will each company have its own pricing/accounting rules or a shared structure? We would request a quick chat to review your detailed specification and align on timeline, flow, and priorities. Thanks, Rahul A.

@kamran2012

Good to see this project, I will deliver your cross-platform app — iOS, Android, and web — using Flutter with Firebase for auth and real-time chat. The auth flow will cover email/password, Google, and Apple sign-in with secure token refresh and password reset. For chat, I will use Firestore with snapshot listeners so messages appear instantly in both one-to-one and group threads. One key decision: I will structure Firestore chat documents with a subcollection per conversation and composite indexes on timestamp plus participant arrays. This keeps queries fast as message volume grows and avoids the common pitfall of reading entire chat histories on every screen load. Questions: 1) Do you need push notifications for new messages, and if so, for all platforms including web? Send me a message and we can go over the details. Best regards, Kamran

@ioswithfaisal

Hi, I will develop the single codebase PWA app which will run smoothly in any browser also will like native in Android, iOS. I will use React for project. We can use firebase for auth and live chat. We can clear things through chat. I can show you a prototype to make things clear before development. Thanks

@XanvraTECH

As a seasoned mobile app developer and digital solutions specialist, I have spent over seven years helping businesses build, launch, and grow high-performing digital products - exactly what your project requires. My proficiency spans across various platforms, but I propose utilizing Flutter for this particular project. This well-thought-out framework will optimize cross-platform cohesion while delivering the consistent, near-native performance you desire. Moreover, my extensive background in backend development (Laravel, PHP, JavaScript, etc.) correlates well with this project's need for a scalable and secure user authentication flow. I would employ this knowledge to integrate firebase into your application. For your real-time messaging and chat functionality, I'll harness the power of Firebase or AWS Amplify to create a robust module that orchestrates both one-to-one and group conversations seamlessly. On top of providing production-ready builds for iOS, Android, and web along with well-documented source code and hand-off walkthroughs, I offer something more: The ability to support your business growth. My experience in SEO optimization, Google Ads, Meta (Facebook & Instagram) Ads, social media marketing - will assure visibility and improved engagement for your app post-deployment.

@OutsourceMan

My extensive experience in the field, particularly as a React Native specialist, makes me the perfect fit for your multi-platform app project. Having served over 700 satisfied clients in my 18-year career and maintaining a consistent track record of delivering projects that adhere to both time and budget constraints, I can confidently assure you of my commitment to delivering nothing but the best. I propose using React Native as the chosen framework for your application. This would enable us to create a powerful, scalable, and above all, cross-platform interface that guarantees near-native performance across iOS and Android while smoothly adapting to web browsing on all modern devices. For authentication and messaging, I suggest integrating Firebase, which can provide a secure environment while also ensuring scalability and cleanliness. On delivery, you can expect more than just production-quality iOS, Android, and web builds. I guarantee a thorough and well-commented codebase committed regularly to Git that comes equipped with detailed setup documentation for your future ease of use. Additionally, I'm more than willing to provide you with a comprehensive hand-off walkthrough - be it live or recorded - to ensure you have the necessary understanding to maintain and extend the project on your own. Let's embark upon this exciting journe

@planDapps

REAL TIME CHAT ACROSS THREE PLATFORMS FAILS WHEN MESSAGE PERSISTENCE ISN'T ARCHITECTED SEPARATELY FROM THE SOCKET LAYER Live connection handles delivery. Firestore handles persistence. Without both, messages disappear on reconnect, group history doesn't load on new devices, and your web version shows a different conversation state than mobile. Stack recommendation: Flutter single codebase for iOS, Android, and web, consistent UI across all three, near native performance. No maintaining three separate codebases. Our build: Flutter responsive layout adapting from mobile to desktop web, consistent cross platform UI, accessible design Firebase Auth email/password, social sign in (Google, Apple), password reset, session management Firestore + Firebase Realtime persistent message storage, real time delivery, one to one and group conversation structure, unread counts and typing indicators Deployment TestFlight, App Store, Google Play, production web domain 12+ years building mobile and cross platform apps in house. Auth, messaging, and deployment owned by one team no Firebase specialist brought in after the Flutter UI is built. Live handoff walkthrough and full setup documentation included. Does the group chat need admin controls like removing members or moderating messages or is basic group creation and messaging enough for MVP? Regards, Haider

@sunainawbst

iOS, Android & Web App Hello I have read your project requirements, I can help you develop a unified cross-platform application with real-time capabilities. I can build a single, scalable codebase that runs smoothly on iOS, Android, and web while maintaining near-native performance and a consistent UI. I’m a senior mobile app developer with 9+ years of experience building high-performance iOS and Android applications using React Native, Flutter, Swift, and native Android. I specialize in scalable architecture, smooth UI/UX, API integration, and store-ready deployments. I’ve successfully launched multiple production apps across Google Play and App Store, delivering secure, optimized, and user-friendly solutions. ⭐Due to NDAs, links aren’t public—but once you open the chat, I’ll share live demos and walkthroughs. I’d be happy to discuss your requirements and execution plan. Bid amount is a placeholder and can be discussed over chat. Thanks & Regards Ranjana

@Hammadhassan21

Hello I carefully reviewed your project and this is exactly the type of cross platform app I’ve built before. I have experience creating apps with Flutter and React Native that run seamlessly on iOS, Android, and web including secure authentication and real time chat modules. For your app, I would use Flutter to deliver a consistent responsive UI across mobile and desktop browsers. Authentication will include email social sign-in and password reset using Firebase or Supabase for secure, scalable user management. Real time messaging will leverage Firebase Firestore or Supabase Realtime to support both one to one and group chats with proper offline support and notifications. The code will be clean, well commented and committed regularly to Git so you can track progress. I keep communication clear and provide regular updates throughout development. After launch, I’ll provide a short hand off walkthrough so you can maintain and extend the project. Quick question: Do you want message history and attachments synced across all platforms in real-time, or focus on text-only MVP first? Let’s start a chat to discuss the details I’m ready to begin immediately. Best Regards Hammad Hassan

@AITSoft

Hello, I understand you want one app working on iOS, Android, and the web with secure logins and real-time chat for both individual and group talks. I'll pick the best framework like React Native or Flutter that gives a smooth and near-native feel on all devices. For the backend, I'll use Firebase or Supabase to ensure your app is scalable and handles login and chat efficiently. I'll keep the code clean and well-commented, pushing updates regularly to Git. The app will look good and work well whether on a phone, tablet, or desktop. I will deliver ready-to-publish builds for app stores and a live web version, along with full source code and clear setup documents. At the end, I'll guide you through the project so you can manage or grow it easily. Which backend platform do you prefer, Firebase, Supabase, AWS Amplify, or do you have another in mind? Do you want any extra features in chat like media sending or message search? Are there specific social login providers you want included? Do you have a web domain ready or need help setting it up? Would you like me to handle app store submissions or just provide the builds? Thanks,

@kareemmaize

Hi there To deliver one secure app across iOS, Android, and web, the most critical part is choosing a cross-platform architecture that keeps authentication and real-time messaging stable without fragmenting the codebase. I’d build this in Flutter with Firebase for auth, live chat, password reset, social sign-in, and push-ready messaging infrastructure. That gives you a single high-performance codebase, consistent UI across mobile and browser, and a backend that scales cleanly for one-to-one and group conversations. This also keeps deployment practical across TestFlight, App Store, Google Play, and production web hosting. My process is simple: first lock the app structure and auth flows, then build chat and responsive UI, then handle testing, documentation, and deployment end to end. I’m ready to start with the architecture and core screens first, then move quickly into a production-ready build with clean Git history and handoff documentation..

@Herculesz

Hi Your project’s main challenge is delivering one codebase that feels truly consistent across iOS, Android, and web without sacrificing secure authentication, real-time messaging reliability, or responsive performance on larger screens. I’d build this in Flutter because it gives the strongest native-quality UI across mobile and web while keeping the codebase clean and maintainable. For authentication, I’d implement email/password, social login, password reset, session handling, and route protection using Firebase Auth or Supabase Auth, depending on your preference. For chat, I’d use real-time listeners, presence tracking, typing indicators, unread counters, and structured conversation models to support both one-to-one and group messaging cleanly. I’m comfortable delivering this with Flutter, Dart, Firebase/Supabase, REST APIs, state management, secure storage, push notifications, and Git-based workflow with well-commented commits. A key part of my approach is designing the app structure so auth, chat, and deployment are modular from day one, which makes future scaling and maintenance much easier. I can also handle the final publishing flow for TestFlight, App Store, Google Play, and production web deployment, along with setup docs and a proper handoff package. Thanks, Hercules

@codefusion53

Hi I can develop your cross-platform application using Flutter, which provides a single codebase for iOS, Android, and web while maintaining near-native performance. I will implement a secure authentication flow supporting email, social sign-in, and password reset, powered by Firebase Authentication for reliability and scalability. For real-time messaging, I will use Firebase Firestore with WebSockets to enable smooth one-to-one and group chats with instant updates. The app will feature a responsive, accessible design that adapts seamlessly across devices. I will maintain clean, well-documented code with regular Git commits and provide full deployment to TestFlight, App Store, Google Play, and your production web domain. You will also receive setup documentation and a short walkthrough to ensure easy maintenance and future updates. I have built similar cross-platform apps with live chat and authentication and can start right away. Best, Justin

@mobiappsoftware

Hello, I will develop your WEBSITE AND MOBILE APPLICATION for Android and IOS both platforms with Web admin panel. I am Tulsiram. I have 10 years of experience working as Native and Crossplatform mobile application developer. I am understood your requirements. I am glad if we are working together. If you interested then let's connect. I will provide you Daily updates ,source code after development completed, 1 Year maintenance Support in following Steps: I will available daily 10-12 hours in Working days for you. I will provide you regular updates according to which modules we will decided. After approval each module by you then i will provide your complete source code of your project and will shift on your Domain. Thanks

@InterconnectBPO

Hi, Your project aligns perfectly with what we’ve been building recently full end-to-end mobile and web applications with clean UI, solid backend integration, and smooth deployment. We can take this from concept to production, including: • Modern, responsive UI/UX across iOS, Android, and web • Seamless API integration and performance optimization • Full deployment (TestFlight, App Store, Google Play, and live web domain) We’ve recently delivered similar cross platform solutions, so we understand how to keep things efficient, scalable, and ready for real users from day one. You won’t just get a working app you’ll get a polished product that’s ready to launch and grow. Let’s discuss your goals and get started. Best regards, Jean-Pierre Full Stack Web Developer