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I’m building SuperYou, an AI-powered personal-growth app, and I’m ready to move from concept to a polished, store-ready MVP in the next 3–4 months. The stack is already defined—Flutter for iOS and Android, Firebase (Auth, Firestore, Cloud Functions, Analytics), and the OpenAI GPT-4o API with streaming. The core of the experience must feel premium yet minimalist: matte-black screens with subtle glow accents, fluid animations, and, above all, a smooth AI chat experience that delivers highly accurate responses word-by-word. Onboarding will gather psychological insights, a streak engine will keep users returning with push notifications, and a freemium model will gate advanced features behind a tasteful paywall. Prompt-injection protection and event tracking through Firebase Analytics round out the initial scope. To keep everything clear, here’s what I need built for the MVP: • Onboarding flow with a short series of psych questions, writing results back to Firestore. • Real-time chat UI that streams GPT-4o tokens in order, handles quick user interrupts, and prioritises both speed and response accuracy. • Streak engine (server timestamp-based) plus scheduled and triggered push notifications. • Freemium logic, premium paywall, and in-app purchase flow using native store kits. • Analytics events wired and clearly documented. • Comprehensive prompt-injection guardrails built into the request pipeline. Before we dive in, please send: 1. Live links to Flutter apps you’ve shipped on the App Store or Google Play. 2. A short note on projects where you integrated the OpenAI API (ideally with streaming). 3. Your fixed price for everything above, broken down by milestone if helpful. 4. Confirmation you can hit the 3–4 month window (include any risks). I’ll forward a detailed technical spec once we have an NDA in place. Let’s create something users will love to come back to every day.
Project ID: 40553582
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189 freelancers are bidding on average $537 USD for this job

Hi, This MVP depends on a reliable streaming chat flow and strong guardrails. I would begin by locking the architecture for Flutter, Firebase, and OpenAI so onboarding data, chat session state, and analytics events move cleanly through Firestore and Cloud Functions. My first build priorities would be: Onboarding questions and Firestore writes Streaming GPT-4o chat with interrupt handling Prompt-injection protection in the request pipeline Streak logic with server timestamps Premium paywall and native IAP flow I have experience building app flows that require clean state management, real-time interactions, and stable backend integration. My focus would be on getting the core experience working reliably before adding polish. Estimated approach: 1. Confirm requirements and data flow 2. Build the chat and onboarding foundation 3. Add paywall, streaks, and push logic 4. Test for reliability and edge cases One question: should the streak reset count only completed daily chats, or any meaningful app session that meets your engagement rules?
$287 USD in 12 days
9.5
9.5

With over a decade of experience in AI and mobile app development, I understand your goal of creating a polished MVP for SuperYou, an AI-powered personal growth app. My background in scaling for 1M users and developing high-security systems directly applies to the challenges of implementing premium AI chat experiences and complex onboarding flows, like those outlined in your project requirements. For strategic insight, ensuring seamless integration of the OpenAI API with streaming will be crucial for real-time chat functionality. I have successfully integrated the OpenAI API in past projects, showcasing my ability to handle the level of complexity required for this task. I encourage you to reach out so we can discuss the roadmap for your project further. I am confident in my ability to deliver the MVP within your timeframe and budget, meeting all the outlined requirements. Let's work together to create an app that users will love to engage with daily.
$600 USD in 20 days
8.3
8.3

**I WILL BUILD A PREMIUM AI APP THAT USERS LOVE COMING BACK TO EVERY DAY.** With **12+ years of experience** in Flutter, Firebase, AI, and OpenAI integrations, we've built scalable mobile applications with real-time chat, streaming AI responses, subscriptions, analytics, and secure cloud architectures. We'll deliver your MVP with a polished onboarding flow, GPT-4o streaming chat, streak engine, push notifications, in-app purchases, Firebase Analytics, and robust prompt-injection protection—optimized for performance and a premium user experience. We can meet your **3–4 month timeline**, provide milestone-based delivery, clean documentation, and NDA compliance. We've worked on similar AI-powered applications and are confident in delivering a production-ready MVP. **Let's sign the NDA and discuss your technical specification to get started immediately.** THANKS CHRISTINA
$250 USD in 7 days
8.4
8.4

I have hands-on experience building AI-powered Flutter apps integrated with OpenAI's GPT-4o API with streaming, making me a strong fit for SuperYou. I've shipped apps to both App Store and Google Play and understand what it takes to deliver a premium, store-ready product. For the MVP, I'll build: a psych-based onboarding flow writing results to Firestore, a real-time streaming chat UI with token-by-token GPT-4o responses and interrupt handling, a server-timestamp streak engine with scheduled push notifications, freemium paywall with native in-app purchases, Firebase Analytics event tracking, and robust prompt-injection guardrails in the request pipeline. The matte-black premium aesthetic with fluid animations will be crafted carefully to match your vision. I can comfortably meet the 3–4 month timeline. Ready to sign an NDA and review your technical spec. Please share links to my live apps upon request. Regards, Harsh Thoriya
$750 USD in 7 days
8.3
8.3

Interesting project, SuperYou sounds like a strong concept. I will build the full MVP in Flutter with Firebase and GPT-4o streaming, covering the onboarding psych flow, real-time token-by-token chat, streak engine with push notifications, freemium paywall with native store kits, analytics events, and prompt-injection guardrails. One thing that matters a lot here: the streaming chat. I will handle token ordering and user interrupts through a controlled stream subscription pattern, so the AI response feels instant and never garbles on a quick cancel. That detail is what separates a "premium" chat feel from a clunky one. Questions: 1) For the paywall, are you planning RevenueCat or direct StoreKit/Google Billing integration? Looking forward to potentially working together. Thanks, Kamran
$280 USD in 10 days
7.6
7.6

Hello, With over 10 years of experience in mobile and backend development, I can build your AI-powered Flutter application from concept to a production-ready MVP. I have extensive experience with Flutter, Firebase, OpenAI API integrations, real-time streaming, in-app purchases, push notifications, and scalable backend architectures. I can deliver a premium user experience featuring smooth onboarding, real-time AI chat with streaming responses, streak tracking, Firebase Analytics, secure prompt-injection protection, and a robust freemium model with native App Store and Google Play purchases. My focus is on performance, maintainability, and creating an engaging experience that keeps users coming back. I can share relevant Flutter and AI application work, provide a milestone-based fixed-price proposal, and confidently deliver within your 3–4 month timeline after reviewing the detailed specification. Best regards
$250 USD in 7 days
7.0
7.0

I focus on results, not empty promises. I specialize in developing AI-powered applications like SuperYou. With over 5 years in app development, I ensure a smooth transition from concept to a polished MVP within your 3–4 month timeframe. I've carefully reviewed your requirements. I'll create a premium yet minimalist user experience with Flutter, Firebase, and OpenAI GPT-4o API. The onboarding flow, real-time chat, streak engine, freemium model, analytics, and prompt-injection protection will be meticulously crafted to meet your specifications. My experience includes integrating the OpenAI API and delivering successful Flutter apps on major app stores. I guarantee timely delivery without compromising quality. You'll be working with a team that values transparency, responsiveness, and delivering exactly what is promised, while focusing on creating a solution that not only meets your immediate goals but continues to perform and add value long after launch. Regards, InterconnectBPO
$400 USD in 7 days
6.8
6.8

Hello, We went through your project description and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on Mobile App Development, iPhone, Android, PhoneGap, Flutter, OpenAI, GPT-4, AI Development Lets connect in chat so that We discuss further. Regards
$250 USD in 3 days
6.3
6.3

Hello There!!! ★★★★ (Build a premium AI-powered Flutter MVP with seamless GPT streaming, Firebase, and scalable architecture.) ★★★★ I’ve read your project carefully and understand you're building SuperYou as a polished, store-ready MVP using Flutter, Firebase, and the OpenAI API. The focus is on a premium AI chat experience, secure architecture, onboarding, streaks, subscriptions, analytics, and a smooth user journey within your 3–4 month timeline. ⚜ Flutter iOS & Android development ⚜ OpenAI GPT streaming integration ⚜ Firebase Auth & Firestore ⚜ In-app purchases & paywall ⚜ Push notifications & streak engine ⚜ Analytics & event tracking ⚜ AI security & prompt guardrails I have experience developing Flutter applications with Firebase, REST APIs, AI integrations, and scalable mobile architectures. I'll build a responsive chat interface with real-time streaming, implement secure request handling, and ensure clean, maintainable code with clear documentation. My approach emphasizes performance, reliability, and an excellent user experiance from onboarding through subscription. I can start immediately and keep communication transparent throughout the project. Looking forward to discussing your MVP and technical roadmap. Warm Regards, Farhin B.
$256 USD in 10 days
6.6
6.6

Hi! SuperYou is a well-scoped MVP — the spec is clear and the stack choices make sense. One honest note upfront: we work with React Native + Expo as preference. If you're locked on Flutter, we can do it anyway. If you're open to React Native, it ships to both stores just as well and we know it deeply — including streaming OpenAI responses and in-app purchases. A couple of things worth clarifying before we scope the price: do you have the prompt logic and personality of the AI coach already defined, or is that part of what needs to be figured out? That's usually where MVP scope creeps. Also, are you handling the Firebase project setup, or does that come with the job? On the timeline — 3–4 months for this scope is tight but doable if decisions move fast. The streak engine + IAP + streaming chat + onboarding is a real build, not a template. Would love to keep chatting the details before throwing a number out. Gustavo & the DoTheCode team
$750 USD in 120 days
6.3
6.3

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 and php CodeIgniter mvc and Laravel. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$500 USD in 14 days
6.6
6.6

Hello there, Hope you are doing well SuperYou is an exciting concept, and I'd love to help turn it into a polished, production-ready MVP. My team has extensive experience building AI-powered Flutter applications with Firebase, real-time APIs, subscription models, and scalable cloud architectures. We can develop your MVP using Flutter, Firebase, and the OpenAI API, delivering a premium user experience with smooth animations, real-time streaming AI chat, secure authentication, streak tracking, push notifications, in-app purchases, analytics, and robust prompt-injection protection. Our approach includes: Interactive UI prototype and onboarding flow Streaming AI chat with optimized response handling Firebase Auth, Firestore, Cloud Functions & Analytics integration Streak engine with scheduled and triggered push notifications Freemium subscription model with native App Store & Google Play billing Security, prompt guardrails, testing, and deployment support Thanks & Regards Dheeraj K.
$250 USD in 5 days
7.0
7.0

Hello, Are you set on using GPT-4o for all AI interactions? Would you like the chat UI to have any specific interaction animations? Exciting project you're building! To craft a premium experience for SuperYou, I'll focus on ensuring smooth animations and seamless AI interactions. Addressing potential challenges, I will ensure prompt-injection protection is robust and effective. I'd love to discuss the timeline and cost details in a brief chat after reviewing the specs together. Let's connect soon to bring this innovative app to life! Just drop me a quick message when you're ready.
$250 USD in 4 days
5.8
5.8

Hi, there. I have carefully reviewed the requirements for AI Personal Growth App MVP. Based on your goals, you are looking for a mobile experience that is not just functional, but seamless and responsive for your users. My team and I specialize in mobile app engineering with a focus on high-performance architecture. We have a proven track record of helping businesses in Algeria build mobile solutions that scale effectively across both iOS and Android. Whether we are leveraging Android, Mobile App Development, AI Development for a native build or a cross-platform solution, our focus is on ensuring the interface is intuitive and the backend data handling is secure. We treat every app we build as a long-term asset. We avoid common pitfalls in mobile development such as memory leaks or poor UI responsiveness, ensuring your users have a smooth experience from their very first interaction. To help me provide a precise timeline for your development, I have one quick question: Are you aiming to launch on both platforms simultaneously, or are you prioritizing one (iOS or Android) for your initial market validation? Knowing this helps me determine the most efficient architectural path for your project. I am available for a discovery call to discuss your mobile roadmap whenever you are ready. Best regards Kausar and the Team Hi, there. I have carefully reviewed the project requirements for AI Personal Growth App MVP. It is clear that you are looking for an intelligent way to automate your current workflows, and I would love to help you build a system that delivers measurable efficiency. My team and I specialize in AI automation and chatbot development that helps businesses in Algeria handle repetitive tasks without losing the human touch your customers expect. We focus on building stable, secure workflows using Android, Mobile App Development, AI Development that integrate seamlessly with your existing platforms to reduce manual workload and improve response times. Our goal is to provide you with a solution that is not a black box, but a documented and manageable system that scales as your business grows. We have successfully implemented automations that allow teams to focus on strategy instead of administration. To help me put together the most efficient roadmap for your project, I have one quick question: What is the most time consuming part of this workflow that you are currently handling manually, and which platforms are you looking to integrate? Knowing this helps me determine the most effective technical path to ensure the automation provides the highest return on your investment. I am available for a discovery call to discuss your automation roadmap whenever you are ready. Best regards Kausar and the Team
$350 USD in 3 days
6.4
6.4

Hello! As per your project post, you are looking to build an SuperYou AI powered personal growth application that delivers a premium, minimalist experience across iOS and Android. The MVP will combine AI driven conversations, personalized onboarding, habit building through streaks, and a freemium subscription model, with the goal of launching a polished, production ready application within the next 3 to 4 months. My focus will be on delivering a complete Flutter based MVP featuring an engaging onboarding flow, real time AI chat with GPT streaming, Firebase Authentication, Firestore integration, Cloud Functions, streak tracking, push notifications, premium subscription and in app purchases, secure prompt handling, analytics integration, smooth animations, responsive UI, scalable architecture, and comprehensive documentation for future enhancements. I specialize in Flutter, Firebase, OpenAI integrations, real time applications, mobile UI and UX, subscription based apps, push notifications, cloud backend development, and scalable mobile architectures. My focus will be on building a secure, high performance, and intuitive AI application that provides an engaging user experience while remaining easy to scale beyond the MVP. Let’s connect to discuss your product vision, MVP roadmap, and launch strategy so we can build SuperYou into a premium AI powered personal growth platform. Best regards, Nikita Gupta.
$300 USD in 28 days
5.7
5.7

Hi there, We’ve developed several MVPs with similar features, including onboarding flows, real-time chat, and subscription models. One of our recent projects, Descripio, involved integrating OpenAI’s API for a Chrome extension that generates product descriptions from Amazon reviews. We also built a fully functional admin panel to manage users and subscriptions. With 15 years of experience, I’m equally comfortable working with front-end and back-end technologies. I’ve worked extensively with Flutter and have developed multiple apps, including a fully functional social media app. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m looking forward to hearing more about this exciting project. Best, Adil
$429.94 USD in 7 days
5.9
5.9

I’m excited about the opportunity to create SuperYou, an AI-powered personal growth app! With my experience in Android and iPhone development using Flutter, I can ensure a premium yet minimalist design. The onboarding with Firebase will gather psychological insights effectively and securely. I’ll create a real-time chat UI to stream GPT-4o responses, handling quick user interruptions seamlessly. The streak engine and push notifications will keep users engaged, while the freemium model will be integrated smoothly. I am ready to tackle prompt-injection protection and analytics tracking as per your specifications. What are the primary psychological insights you want to gather during onboarding? Could you share any specific design inspirations you have for the app's user interface? Have you considered any special features that would enhance user retention? What are the primary psychological insights you want to gather during onboarding? Are there any particular milestones you want to prioritize for the MVP launch? Looking forward to collaborating on this innovative project!
$250 USD in 12 days
5.6
5.6

You’re already past the hardest part, which is having a clear product vision and a defined stack. What stood out to me is that this isn’t really a chat app—it’s a habit-forming personal growth product, so the details around response quality, streak reliability, and onboarding matter just as much as the AI itself. I’d start by building the onboarding and profile model first so every GPT interaction has structured context from day one. Then I’d move into the streaming chat layer, focusing on ordered token rendering, interruption handling, and response recovery when network conditions are unstable. After that, I’d wire the streak engine, notifications, analytics, and monetization so retention data is available before launch. I’ve worked on AI-powered applications integrating OpenAI APIs, including streamed responses where responsiveness and conversation continuity were critical. One thing I’d add early is analytics around onboarding completion, streak retention, and paywall conversion so product decisions aren’t guesswork after release. The 3–4 month window feels realistic assuming the spec is stable and store-review surprises are minimal. Could you share whether GPT responses need long-term memory across sessions, and whether subscription management will be monthly only or include annual plans? I’m ready to get started once the NDA is in place.
$500 USD in 7 days
5.7
5.7

✋ Hi There!!! ✋ The Goal of the project:- Build a premium AI powered personal growth MVP mobile app using Flutter with Firebase backend and OpenAI GPT 4o integration including onboarding, chat, streaks, and monetization features. I carefully read the complete project description and understand you need a polished Flutter app with real time streaming chat, onboarding psychology flow, streak engine, push notifications, freemium paywall, analytics integration, and strong prompt injection protection within a 3 to 4 month timeline. With 9+ years experience as a full stack developer, I can deliver a scalable, production ready mobile MVP with smooth UX and clean architecture. 1. Flutter UI development with onboarding flow, streak system, and premium design. 2. Firebase integration with Auth, Firestore, Cloud Functions, analytics, and push notifications. 3. OpenAI GPT 4o streaming chat integration with paywall and security guardrails plus full testing and deployment support. I already completed similar Flutter AI chat apps and Firebase powered mobile MVPs with real time streaming features. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$251 USD in 11 days
5.0
5.0

Hi, I have experience building AI-powered Flutter applications with Firebase, OpenAI GPT-4o, real-time streaming, push notifications, in-app purchases, and scalable cloud architecture. I can develop your premium MVP with a smooth AI chat experience, secure prompt handling, analytics, and a polished UI, delivering a production-ready app within your timeline. Best regards, Shakila Naz
$300 USD in 7 days
5.0
5.0

Algiers, Algeria
Member since Jul 1, 2026
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