Multi-Platform AI Chat App

@Microlent

Hello, I’m Mohammed Athar, a Full Stack Developer experienced in Flutter, Node.js/Python backends, and AI integrations. Your ChatNow-style chatbot MVP aligns closely with my past work in subscription SaaS, payment flows, and GPT-driven apps. Portfolio highlights: Fledger (finance SaaS with subscriptions), Ausfinex (crypto app with payments & biometric login), OnlineZim (API payments + admin panel), and QUS Sports (voice-enabled mobile app). I’ll deliver: • Cross-platform iOS/Android/Web app via Flutter • GPT chat with markdown, file/image analysis, voice (Google Cloud STT/TTS) • Free + subscription tiers with Esewa & Khalti (scalable to IME Pay/PhonePe) • Admin panel for users, payments, subscriptions • Secure, production-ready backend with Postgres/Firebase I’ll ensure a smooth, scalable launch in your 8–10 week timeline. Let’s connect to align roadmap and start date. Best regards, Mohammed Athar

@irsolutions

With over 10 years of experience in web and mobile development, specializing in Flutter for multi-platform apps and Node.js for backend solutions, I understand your need to launch a comprehensive AI Chat App across iOS, Android, and web platforms. Your project requires GPT-based chat functionality, file handling capabilities, and seamless payment integrations with Esewa and Khalti. I have successfully delivered similar projects in the past, particularly in the AI and mobile app domains. My expertise in creating engaging user experiences through intelligent chatbot solutions aligns perfectly with your project requirements. I am confident in my ability to develop a robust solution that meets your expectations and sets you up for success in the market. Let's discuss further how I can bring your vision to life. You can easily reach out to me through message to get started on this exciting project.

@OutsourceMan

⭐⭐⭐⭐⭐ Valuable Client, CnELIndia, led by Raman Ladhani, is well-equipped to deliver your Multi-Platform AI Chat App within your 8–10 week timeline. We propose building the MVP using Flutter for iOS, Android, and web apps, with a Node.js backend and Postgres for robust storage. Our approach includes integrating GPT-based chat with conversation history, markdown/code support, and file uploads (PDFs, Word, images) for analysis. Voice interaction will leverage Google Cloud Speech-to-Text and Text-to-Speech. We will implement Esewa and Khalti payments with architecture ready for IME Pay and PhonePe. The admin panel will allow full user, subscription, and payment management without code changes. CnELIndia ensures clean, documented code and smooth deployment. We can start immediately and deliver a production-ready solution within your specified timeframe. Prior projects include AI chat integrations, multi-platform Flutter apps, and secure payment workflows.

@rahuliitm69

Hello there, We can develop a cross-platform AI chatbot MVP for iOS, Android, and web using Flutter for the front end and Node.js/Python for the backend, with Postgres or Firebase for storage. The app will include GPT-powered chat, markdown/code formatting, saved conversation history, and the ability to analyze PDFs, Word documents, and images. Voice interaction will be implemented via Google Cloud Speech-to-Text and Text-to-Speech. A tiered subscription system with free, monthly, and yearly plans will be integrated, supporting Esewa and Khalti initially, with future readiness for IME Pay and PhonePe. The admin dashboard will allow user management, subscription controls, and payment tracking. We will deliver production-ready apps for all platforms, fully functional backend, file/voice handling, and clean, documented source code with deployment instructions within an 8–10 week timeframe, ensuring a fast, reliable, and scalable MVP launch. Thanks Rahul B.

@idefcoinfotech

Hello there, I can build your ChatNow-style AI chatbot (iOS, Android, Web) with GPT chat, file/image analysis, voice interaction, and subscription tiers. I’ll use Flutter for cross-platform apps, Node.js/Python + Postgres/Firebase for backend, and integrate Esewa/Khalti payments (future-ready for IME Pay, PhonePe). You’ll get: GPT chat with saved history, markdown & code formatting File upload (PDF, Word, images) + basic analysis Google Cloud voice input/output Subscription system with free + paid tiers Admin panel for user, payment & subscription management Production-ready apps deployed to App Store, Play Store, and live web I’ve shipped similar AI/chat apps and can deliver within 8–10 weeks at a competitive fixed price. Happy to share a milestone-based plan on request. Looking forward to working with you! Best,

@paul612

As an engineer who specializes in developing AI-powered apps, I believe I am the perfect fit for this project. Throughout my career, I've consistently integrated AI and created intelligent systems that learn and optimize their performance over time—this aligns perfectly with your AI-driven, multi-platform chatbot vision. My proficiency spans from machine learning (using TensorFlow and PyTorch) to NLP and computer vision. Additionally, my data-driven approach, using solid foundations for smart automation and predictive insights, will be essential for your project’s success. I also bring deep experience in developing applications for both web and mobile platforms—I have full-cycle proficiency—from the project's concept to its deployment. In short, my command over pertinent technologies such as Flutter, Node.js, Python, Firebase, databases like SQL/NoSQL along with significant real-time processing has equipped me to handle a wide array of challenges. I am excited to tackle this project head-on and deliver a high-performance product that not just meets but exceeds your expectations.

@nlivenvw

Hi there, Hope you're doing well. I have gone through your job posting and I understand that you are looking to create a ChatNow-style AI chatbot for iOS, Android, and the web. The MVP should include GPT-based chat, markdown and code formatting, and file handling with Google Cloud speech-to-text. There will be a free tier and subscription-based tiers with Esewa and Khalti payments, and an admin panel for user management. To ensure we meet all your needs, could you please clarify the extent of analysis you need for PDFs, Word docs, or images? Additionally, could you share more about the type of information you would like to track in the admin panel? Our team has delivered similar projects and we're confident we can provide a solution that fits your needs. We prefer using Flutter for the apps, Node.js or Python for the backend, and Postgres or Firebase for storage. This is in line with your preferred stack but we are open to alternatives if required. We are available to start immediately and are flexible to adjust as per your schedule. It would be great if we could connect further via a message or a call to better understand your needs and share relevant examples of our work. Best Regards, Rohit

@diektech

Hi, This is Elias from Miami. I’ve gone through the project details, and from what I understand, the goal is to build a full ChatNow-style AI chatbot MVP across iOS, Android, and web with GPT-based chat, saved conversation history, markdown/code formatting, file uploads, voice interaction via Google Cloud Speech-to-Text, and subscription management integrated with Esewa and Khalti. I have over 10 years of experience in full-stack and mobile app development and I’m especially interested because I’ve delivered multi-platform AI chat applications with voice interaction, subscription logic, and admin dashboards. I focus on clean, production-ready code, cross-platform Flutter apps, scalable backends in Node.js or Python, and secure, well-documented deployment. I’d love the opportunity to discuss how I can bring this MVP to life in 8–10 weeks, ensuring smooth subscription payments, file handling, GPT integration, and an intuitive admin panel. Additionally, I have a few specific questions: Q1: Should uploaded files be processed directly in the app for analysis, or via backend AI services? Q2: Do you want real-time voice streaming for replies, or short batch responses after user speech input? Q3: For subscription tiers, should user limits and feature access be strictly enforced in-app, or only checked on the backend? Looking forward to hearing from you. Regards.

@DeveloperStation

Hi Rahul C., Your vision for a multi-platform AI chat app aligns perfectly with our expertise. We've successfully delivered similar MVPs using Flutter, Node.js, and PostgreSQL, ensuring production-ready apps for iOS, Android, and web. Our approach would include implementing GPT-based chat functionality, subscription management, and seamless payment integrations with Esewa and Khalti, all within an 8-10 week timeline. We'd start with a detailed project plan, focusing on scalable architecture, secure user management, and robust file handling. Our team has experience with Google Cloud Speech-to-Text and can deliver clean, documented source code with deployment instructions. I'd love to discuss this project further and share relevant portfolio examples. Best, Adil

@ZohaibRoy

⭐⭐⭐⭐⭐ Build a Full-Featured AI Chatbot for iOS, Android, and Web ❇️ Hi My Friend, I hope you're doing well. I reviewed your project requirements and see you are looking for an AI chatbot solution. You don't need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for chatbots. I will create a chatbot using Flutter for the app, with a Node.js or Python backend, ensuring it meets all your requirements. ➡️ Why Me? I can easily build your AI chatbot with features like GPT chat, user management, and payment integration. I have 5 years of experience in mobile and web app development, specializing in chatbot functionality, API integration, and user interface design. Not only this, I have a strong grip on technologies like Google Cloud, Postgres, and Firebase. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing with you in chat. ➡️ Skills & Experience: ✅ Flutter Development ✅ Node.js Development ✅ Python Programming ✅ GPT Integration ✅ Mobile App Development ✅ Web App Development ✅ API Integration ✅ User Management Systems ✅ Payment Gateway Integration ✅ Speech-to-Text Technology ✅ Database Design (Postgres, Firebase) ✅ Documentation and Source Code Management Waiting for your response! Best Regards, Zohaib

@Herculesz

Hi, I’ve built and deployed cross-platform AI applications using Flutter, Node.js, and Firebase/PostgreSQL, and can deliver a full ChatNow-style chatbot MVP with GPT chat, voice features, file parsing, and subscription logic across iOS, Android, and web. One key challenge here is integrating local payment gateways (Esewa/Khalti) securely—I'll use webhook-based flow with robust logging and a modular payment layer to allow seamless future additions like IME Pay and PhonePe. For chat, I’ll implement GPT with context handling, markdown/code rendering, and file/image support using Google Cloud Vision and document parsers. Voice interaction will be powered via Google Speech-to-Text/Text-to-Speech APIs with smooth UI controls in Flutter. The admin dashboard will support user and subscription management with zero code changes. I’ll ensure clean deployment pipelines, full documentation, and scalable architecture. Thanks, Hercules

@jayprakashyadav

Hello, I am a PHP Developer with 15+ years of experience, specializing in building dynamic, secure, and high-performance websites and applications. I have worked on simple to complex websites, e-commerce stores, membership portals, and custom PHP-based solutions, always ensuring top-quality results for my clients. My expertise includes custom PHP development, Laravel/CodeIgniter frameworks, API integration, database management (MySQL), and performance optimization. Recently, I also worked on OpenAI API integration for auto-generated content, images, and social sharing, showing my ability to adopt the latest technologies. If you are looking for a dedicated PHP expert who guarantees quality, innovation, and timely delivery, I’d be happy to bring your project to life.

@ciss26

Hello there Hope you are doing well as you are looking for a "Build a CHAT MOBILE APPLICATION " so will make the same as you want , I have already develop and Design the so many Application , - I will use latest technology to develop your Application - I will share daily update with you - I Will deliver your project within timeline - After project completion will share complete source code - I will provide 1 year support our develop work - I have 10+ year experience in Web & App development - I will make the 100% responsive design , fast loading , SEO friendly and all - I will provide you super admin panel there you can manage the whole thing Please initiate the chat so will discuss together and all Thanks & Regards Dheeraj K.

@LiveExperts

Hello, As the CEO of Live Experts, I'm thrilled to introduce you to a team of top-notch engineering and development professionals who have made a mark in industries targeting iOS, Android and web platforms. With extensive experience in Machine learning, Deep learning, Artificial intelligence, Algorithms, Linux, Bash, Docker and more, we are poised to transform your vision into reality as we develop your multi-platform AI chat app. Harnessing the power of Flutter for the apps and either Node.js or Python backend complemented by Postgres or Firebase for storage (if alternative options do not prove to be faster), we'll ensure that your project is developed with utmost competence within 8-10 weeks as specified. Moreover, our proficiency with Esewa and Khalti integrations will provide smooth payment processing and future-proofing options tailored to your preferences. In addition to our technical expertise, we also value transparency. Thus, our deliverables won't just include your expected MVP but also clean documented source codes and easy-to-follow deployment instructions. So why wait? Let's start transforming your genial idea into an elegantly functioning product while ensuring you remain satisfied at every step of our collaboration! Thanks!

@rbtech1984

Hey There!!! ⭐⭐⭐⭐ AI Chat MVP – Cross-Platform & Conversion-Ready ⭐⭐⭐⭐ You’re building a smart, multi-platform AI chatbot like ChatNow — with file input, voice interaction, GPT chat, subscriptions, and admin tools — and I’m here to help you launch it seamlessly across iOS, Android, and web. Here’s how I’ll tackle it: Frontend: Flutter for all platforms with a sleek, responsive UI Backend: Node.js with Express or Python FastAPI, wired to PostgreSQL or Firebase AI: GPT via OpenAI API, with Markdown + code formatting Voice: Google Cloud Speech-to-Text + Text-to-Speech integration Payments: Esewa + Khalti for MVP, architecture ready for IME Pay/PhonePe Admin Panel: Web-based dashboard with full control over users, payments, and plans Key MVP goals: Smooth GPT chat with history and file uploads Voice-to-text & reply audio Subscription system with scalable backend Admin panel for non-dev control Clean, documented code and deployment With 9+ years’ experience and a sharp eye for reliability and usability — I’m ready to build this from day one. Let’s bring it to life together! Best Regards, Farhin B.

@vivekrl43

Dear client, I have already worked on AI chat app based on flutter using chatgpt sdk, I can develop your app with subscription based system along with admin panel, I have more than 9 years of exp in apps and web development.

@Feriver

Hi there, I’m submitting a bid for your project and would love to offer my professional services. With my experience, I’m confident in delivering high-quality results tailored to your project requirements. Feel free to message me to discuss the full scope and budget. View my Freelancer portfolio and client reviews: https://www.freelancer.com/u/Feriver Looking forward to connecting with you. Best regards, Asif Nawaz

@TechizeBuilder

Hi Rahul C., I came across your project "Multi-Platform AI Chat App" and I'm confident I can help you with it. About Me: I'm a agency owner with over 8+ years of experience in PHP, Mobile App Development, Node.js, Flutter. , and I understand exactly what’s needed to deliver high-quality results on time. Why Choose Me? - ✅ Expertise in required Technologies and 1 year post deployment free support - ✅ On-time delivery and excellent communication - ✅ 100% satisfaction guarantee Let’s discuss your project in more detail. I’m available to start immediately and would love to hear more about your goals. Looking forward to working with you! Best regards, Deepak

@gtssoftindia

Hi there, I can confidently build your cross-platform ChatNow-style AI chatbot MVP with GPT chat, file uploads, subscriptions and voice features. I understand you need smooth iOS, Android, web launch with Esewa/Khalti to hit market fast. ➞ I’ve delivered similar AI + subscription apps using Flutter, Node.js, PostgreSQL and Google APIs, ensuring secure payments and seamless UX. I can deliver production-ready apps and admin panel on time. ⭕ I’ll handle it by: ✔️ Architecting Flutter apps + Node.js backend with GPT integration ✔️ Implementing subscriptions with Esewa/Khalti webhooks ✔️ Building admin panel for users/payments control ✔️ Testing file uploads, voice and TTS flows ✔️ Final review, store publishing, deployment docs ➡️ Timeline & Budget: Please note, this is a preliminary estimate. A finalised timeline and budget will be shared once the project scope is fully defined. ➡️ Next Steps: Let’s connect to finalise; I’ll start as soon as the project is awarded. Thanks & Regards, Tejash J.