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I am looking for an iOS Swift full-stack developer/engineer for a messaging app powered by AI using OpenAI. ✅ Project Status: ✔ The app is already developed, and the frontend is complete. ✔ Backend work is required, including: • Integration of OpenAI AI • Gmail API integration • Firebase/Supabase setup • OTP authentication using users’ phone numbers • Admin Panel (Basic Analytics Dashboard) → Track user engagement, messages sent, token usage, and subscription status (Most backend code is already available.) ✅ Frontend Requirements: ✔ Refine UI Animations – Improve chat bubbles, message transitions, and UI responsiveness. ✔ Add a new tab in the UI (details will be provided). ✔ Implement a dual-tab bar system: • One for free users • One for paid users • When a user upgrades to premium, their tab bar updates automatically. ✔ Ensure Dark Mode & Proper Scaling – The UI should adapt smoothly across all iPhone models. ✔ Fix Minor UI Bugs & Optimize Performance – Identify and resolve any inconsistencies. • App Icon, logo, splash screens ✅ Monetization & Ads: ✔ There are 8 subscription plans that must be functional via Apple Payment System. ✔ Ads appear in: • P2P chat list & Group chat list (for free version) → Every 5 conversations. • FUN tab (Reels section) → Ads will be based on chat conversations (P2P & Group chats). ? Additional Expectations: ✔ Ensure the app is 100% bug-free & ready for App Store submission. ✔ Keep the backend clean, scalable, and well-documented for future updates. ✔ Provide regular updates & progress reports. ⚡ Who Should Apply? ✅ Experienced iOS Developer (Swift, SwiftUI). ✅ Backend Developer (Firebase, API integration, payment processing, OTP authentication). ✅ Familiarity with OpenAI API & AI-powered messaging features is a big plus. ✅ Final Deliverables: ✔ Ensure the app is fully functional, bug-free, and App Store-ready. ✔ The app must pass Apple’s approval without issues. ✔ After testing, you will upload it to the App Store. ? Additional Details: A detailed breakdown of the frontend and backend tasks will be provided after hiring. ? Budget & Timeline: • Budget: $850 (Fixed price) • Timeline: 2-3 weeks max ? Important: By applying, you agree to the budget. If you do not agree, please do not apply. ? How to Apply: ? Send me a message with: 1️⃣ Examples of iOS apps you built (especially AI/chat-related projects). 2️⃣ Your experience with Firebase, OpenAI API, Apple Pay, & OTP authentication. What I Will Provide to You: ✔ Frontend code ✔ Most of the backend code ✔ Privacy Policy document ✔ OpenAI API ✔ Gmail API ✔Firebase API ✔ Google AdSense or AdMob ✔ Detailed instructions on what needs to be done although the app is explanatory when you see it. ✔✔✔keys will not be hardcoded, but Google Cloud Secret Manager is used What You Need to Do: ✔ Polish the frontend and UI. ✔ Integrate backend functionalities. ✔ Ensure every aspect of the app is App Store-ready. ✔ Fix any remaining bugs & optimize performance. ✔ Upload the app to the App Store.
Project ID: 39214674
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Active 1 yr ago
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32 freelancers are bidding on average $1,048 USD for this job

As an experienced iOS Developer, I am highly skilled in Swift and other essential frameworks, which are crucial for the success of your messaging app project. My three years of expertise in iOS development have given me an impeccable understanding of Apple's Human Interface Guidelines. I ensure that my code is not only clean, efficient, and scalable but also perfectly aligns with the UI/UX principles to guarantee a superior user experience. Deep understanding of APIs and their seamless integration has always been a strength of mine. I'm already familiar with Firebase for your backend requirement and have integrated multiple APIs, which makes me highly capable of handling your necessary integrations such as OpenAI API, Apple Pay, and OTP authentication. Additionally, my fluency in using Google AdSense or AdMob will certainly come in handy for implementing the monetization plan you outlined. My dedication to delivering an app that is completely bug-free and ready for App Store submission is absolute. Throughout the entire development process,I will keep you updated regularlywithtransparent progress reports, ensuring that your vision is brought to life every step of the way.I strive for great client satisfaction and I strongly believe our collaboration will result in an outstanding app that exceeds your expectations. Let's get started on this incredible journey together!
$750 USD in 7 days
5.1
5.1

Hello, I have seen your project post on { OpenAI-Powered Messaging App Development }, I HAVE DONE SIMILAR WORK AND I CAN SHOW YOU, i am available almost the whole day for discussion. I am committed to meeting deadlines and delivering high quality work but more importantly making sure that you are satisfied with the results. Please connect on my chat. WHAT I OFFER: 1. UNLIMITED CHANGES UNTIL YOU ARE SATISFIED 2. 1 YEAR FREE SUPPORT AND MAINTENANCE POST LAUNCH 3. FULL SOURCE CODE AFTER COMPLETION I am a Full-time professional Mobile Application Developer with 6 years of experience in this field. I am confident, I can provide you High-quality Application as per requirement. My expertise of Flutter, React native, java, Kotlin, swift, iOS, API, Real-time tracking system functionalities, and Admin Panel. I am excited about your project and would like to connect with you in chat to discuss it further. I believe that a detailed conversation will help me understand your specific needs and expectations, allowing me to tailor the solution to perfection. I have successfully delivered numerous projects for clients across diverse domains. --> Please come on chat box and check my latest work portfolio. Thanks! Anurag
$750 USD in 7 days
4.7
4.7

I WILL PROVIDE 2 YEARS FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STORES. With 11 years of experience, I will complete your AI-powered messaging app by: ✔ Frontend Enhancements – Improve UI animations, chat transitions, dark mode scaling, and fix minor UI bugs. Implement a dual-tab bar system for free and premium users. ✔ Backend Integration – Set up OpenAI API, Gmail API, Firebase/Supabase, OTP authentication, and Apple Pay integration. Implement AdMob monetization and subscription management. ✔ Admin Panel – Develop a dashboard to track user engagement, token usage, and subscription status. ✔ Final Delivery – Ensure 100% bug-free performance, App Store compliance, and a smooth submission process. lets discuss further Julian
$780 USD in 7 days
4.0
4.0

Hello With over a decade's worth of experience in web, game, and mobile app development, I am confident that I have the skills you need to bring your OpenAI-powered messaging app to life. Not only am I well-versed in backend development, including Firebase and API integration as you require, but I also have extensive knowledge in Swift (iOS programming) and can navigate a complex codebase with ease. My experience in security which is a core priority for you will be an added advantage as well. As an early adopter of emerging technologies, I have already forged ahead into the realm of AI and OpenAI API. Equipped with this knowledge, I can flawlessly integrate the chat-powered features you desire, while also streamlining OTP authentication using phone numbers and implementing Gmail API. Monetization would not be an issue too as I'm familiar with Apple payment systems and ad platforms like AdSense or AdMob. Best Regards.
$900 USD in 25 days
3.9
3.9

Hello Dear !! Thank you for considering RoundWeb Infotech for the completion of your OpenAI-powered messaging app. We are excited about the opportunity to refine and enhance your application, ensuring it is fully functional, optimized, and ready for the App Store. With the frontend already developed, our focus will be on backend integration and UI refinement, ensuring seamless AI-powered messaging, Gmail API integration, Firebase/Supabase setup, and OTP authentication. We will also implement a dual-tab system for free and premium users, improve UI animations and dark mode scaling, and fix minor UI bugs to enhance user experience. For monetization, we will integrate Apple’s payment system for eight subscription plans and implement ads in chat lists and the FUN tab, ensuring a smooth revenue model. Our team will also set up a basic admin panel to provide analytics on user engagement, messages sent, token usage, and subscriptions. We will ensure that your app is bug-free, App Store-ready, and compliant with Apple’s approval standards. Our developers specialize in Laravel PHP, MySQL, Firebase, Vue.js, and Flutter, making us well-equipped to handle the backend refinements while maintaining clean, scalable, and well-documented code. We are confident in delivering a high-quality, AI-powered messaging platform within your budget of $850 and the 2-3 week timeline. We look forward to working with you on this exciting project. Best regards RoundWeb Infotech
$850 USD in 30 days
3.4
3.4

Hello aram1987, I am Maryam Abbas, a Full Stack Developer with 4 years of experience. I have carefully reviewed the requirements for the OpenAI-Powered Messaging App Development project. To ensure its success, I will integrate OpenAI AI, Gmail API, Firebase/Supabase setup, OTP authentication, and an Admin Panel for analytics. Additionally, I will refine UI animations, implement a dual-tab bar system, ensure Dark Mode compatibility, fix UI bugs, and optimize performance. With a track record of successful project deliveries and positive client feedback, I am confident in my ability to meet your expectations. Please review my portfolio https://www.freelancer.pk/u/maryam951 and start a chat to discuss further details. Best regards, Maryam Abbas
$750 USD in 10 days
0.0
0.0

I've successfully built a similar AI-powered chat application using Swift and OpenAI's API, integrating robust user authentication and real-time communication via WebSockets. My expertise lies in leveraging SwiftUI for a seamless user experience and efficient backend architecture for scalable performance. My approach will involve a phased development process: initial prototype focusing on core AI functionality and UI design, followed by iterative refinements based on your feedback, incorporating features like end-to-end encryption and user profile management. I'll utilize Firebase for backend services, ensuring secure data handling and efficient scaling. Testing will be conducted throughout using unit and integration tests, guaranteeing a high-quality, stable application. Let's discuss your project in more detail. Could you share specifics about the desired AI features and the target user base to help me tailor a precise solution for your needs?
$1,182.67 USD in 21 days
0.0
0.0

Hi, I am an experienced iOS Swift full-stack developer with expertise in AI-powered messaging apps, Firebase, OpenAI API, and Apple Pay integration. I will refine the UI animations, dark mode support, and dual-tab system, ensuring a seamless user experience across all iPhone models. On the backend, I will integrate OpenAI AI, Gmail API, OTP authentication, and Firebase/Supabase, along with setting up the admin panel for tracking user engagement, token usage, and subscriptions. The app will be bug-free, optimized for performance, and 100% App Store-ready, meeting all compliance standards. Let’s bring this project to completion successfully! Thanks, Joseph
$1,500 USD in 7 days
0.0
0.0

Hello, I’ve reviewed your project and am confident my expertise in Swift, Full Stack Development, Backend Development, Frontend Developmentmakes me a great fit. I focus on delivering high-quality, impactful results. I'm experienced with years of hands-on expertise in Swift, Full Stack Development, Backend Development, Frontend Development, passionate about delivering top-notch results that truly make an impact. Let’s connect and chat—I’d love the chance to discuss how I can bring value to your project! Regards, Umair
$750 USD in 7 days
0.0
0.0

Hello aram1987 I am a skilled iOS developer with experience in building AI/chat-related projects, Firebase, OpenAI API, Apple Pay, and OTP authentication. I am confident in my ability to integrate the backend functionalities, polish the frontend, ensure App Store readiness, fix bugs, and optimize performance. I am excited about the opportunity to work on this messaging app project and confident that I can deliver high-quality results within the specified budget and timeline. I look forward to contributing to the success of this project. I have expertise in area of Swift, Full Stack Development, Backend Development and Frontend Development N:B: Please consider the quoted price as placeholder. Price can be negotiated after proper discussion. Regards, Faizan Siddiqui
$1,045 USD in 4 days
0.0
0.0

Hey, i will develop this project using swift and swiftui for frontend refinements, ensuring smooth ui animations, dark mode compatibility, and proper scaling across iphone models. firebase will be used for authentication messaging, and database management, while supabase may be used for additional backend features. openai's api will be integrated to power ai-driven messaging, and the gmail api will be implemented for email-based functionalities. the monetization system will be handled via apple’s storekit for in-app purchases and subscriptions. google admob will be configured for ad placements in free user sections. backend optimizations will ensure scalability and maintainability, using google cloud secret manager to securely handle api keys. performance debugging, final testing, and app store submission will be completed to ensure compliance with apple’s guidelines. I want you to initiate the chat so we discuss your project in detail and then I will send you complete proposal which include detail approach, timeframe and budget. we can share our portfolio in chat I look forward to hear from you. Regards, Mughira
$1,125 USD in 7 days
0.0
0.0

Hello, I hold 6+ years of experience in iOS development (Swift, SwiftUI) and backend integration using Firebase, OpenAI API, Apple Pay, and OTP authentication. I can optimize your messaging app's UI, add backend functionalities, and make it bug-free and App Store-ready within the provided time frame. Let's get started. Waiting to discuss further.
$1,125 USD in 7 days
0.0
0.0

Hi there! I have reviewed your job post and can certainly assist you. Do you have any preferences for backend optimizations or AI response handling? I am an experienced iOS Swift full-stack developer with expertise in Firebase, API integrations (OpenAI, Gmail), payment processing, and OTP authentication. I have worked on AI-powered chat applications and can ensure smooth integration of OpenAI’s API while keeping the app scalable and efficient. Proposed Solution: I will refine the UI/UX, integrate backend functionalities (AI, Firebase, OTP, payments, admin panel), and ensure the app is 100% bug-free and App Store-ready. Ads, subscriptions, and performance optimizations will be handled effectively. Here’s my portfolio: https://www.freelancer.com/u/mht50. I also provide post-launch support. Can we have a quick chat session or call to better understand the project? Looking forward to your response. Regards, Bilal Bin Tasleem Ahmad
$800 USD in 3 days
0.0
0.0

Hello, As your dedicated expert, I'm committed to delivering top-notch results swiftly. Eager to kickstart our collaboration! Best regards, Barbara
$1,125 USD in 7 days
0.0
0.0

As an adept Full-Stack Developer with a particular passion for iOS and AI, I believe I am best suited to take on your project. With extensive experience in Swift and SwiftUI, I'm readily able to handle the frontend aspects of refining UI animations, implementing dual-tab bars, and ensuring Dark Mode compatibility. My backend expertise spans across Firebase, API integration (such as Gmail API), payment processing (including Apple Pay), OTP authentication, and much more - a spectrum that precisely matches your requirements. Importantly, I've had the chance to work intimately with OpenAI API and various AI-powered messaging features throughout my career, giving me the ability to easily acclimate myself to your existing backend code and enhance its scalability and functionality. Furthermore, having developed multiple iOS apps some of which were AI-centric, I understand the intricacies associated with creating faultless apps—key for not just your monetization and ad placement needs but also general usability and performance optimization. I'm available, committed, and ready to deliver top-notch results within your timeline. Let's join hands to not only elevate your already fantastic app but also ensure it is 100% bug-free for smooth App Store submission. So you see my friend, it's clear like day that working together on this project is an ideal match!
$1,125 USD in 7 days
0.0
0.0

With a prestigious portfolio encompassing over a decade of IT solutions, my firm, DESSUN, has both the breadth and depth of experience demanded by your project. We deliver high-quality digital solutions across a range of technologies, including backend and frontend Swift development. We are also well acquainted with Firebase, OpenAI API, Apple Pay, and OTP authentication -- all vital components to making your messaging app not just functional but exceptional. In addition to our extensive skill set and experience relevant to this project's requirements, DESSUN stands apart because of our unwavering commitment to quality. Our thriving relationships with clients, globally, have been built on the successes we facilitated for them, and we intend to do the same for you. We provide regular updates and progress reports throughout the entire process so that you are well-informed on the progress made. Moreover, behind my +10 years in this field is a core belief in being agile, adaptable and always available - which perfectly aligns with your expectations. We also understand how important a bug-free app is: ensuring it passes Apple's approval without issues is something I will be diligent about as part of our final deliverable. Best, Deb A.
$1,125 USD in 7 days
0.0
0.0

Hey , I just went through the project description, and it sounds like a perfect match for my skills in Full Stack Development, Swift, Frontend Development and Backend Development. I have a few quick quick questions: Is there anything else you’d like to add to the project details? Are you starting from scratch, or do you have something in progress? What’s the timeline you’re working with? With over 100 major projects completed for startups and established businesses outside this platform, I have a 98% success rate and 5-star feedback on my recent work. I’m happy to share my most recent work samples with you privately to respect my client's privacy. Looking forward to hearing from you! Best, Syed Shaharyar Ahmed https://www.freelancer.com/u/syeds273
$750 USD in 1 day
0.0
0.0

Hi, I’m Prateek, an iOS Swift full-stack engineer that can help you complete your OpenAI-powered messaging app. With over 7+ years of industry experience, I bring in-depth knowledge of Swift and SwiftUI for your frontend requirements. Plus, my familiarity with Firebase and API integration enables me to integrate the OpenAI AI seamlessly while ensuring the backend is clean, scalable, and future-proof. Not only can I handle the ins and outs of the unfinished backend efficiently, but I also proficiently work with Apple Payment System for perfect monetization and ads integration. This includes implementing the dual-tab bar system for freemium and premium users, setting up your subscription plans, and displaying ads strategically throughout the app. My experience extends beyond just coding — keeping you informed on a regular basis is my priority. You will receive progress reports, updates, and a 100% bug-free app that is ready for App Store submission within your given timeline. Additionally, once completed, I'll facilitate a smooth transition by uploading the app to the App Store for you. Combining all these strengths with my fair budget expectation, I’m positive I am the right person to take your project forward. Let's ensure this collaboration results in an exceptional app ready to make an impact in-app communication!
$999 USD in 7 days
0.0
0.0

Hello, I HAVE SUCCESSFULLY DELIVERED SIMILAR PROJECTS I will deliver- a) Top Quality—High-standard development with full dedication. b) 2.5 YEARS OF SUPPORT—Ongoing assistance & maintenance post-delivery. c) Seamless Experience—smooth, hassle-free integration & support. I have over 7 years of experience in iOS development using Swift and SwiftUI. I have deep expertise in building AI-driven messaging apps, Firebase/Supabase integration, OpenAI API implementation, and payment processing via Apple Pay. My approach is straightforward—I’ll refine the UI with smooth animations, fix scaling issues, and implement the dual-tab bar system for free and premium users. On the backend, I’ll ensure seamless OpenAI and Gmail API integration, set up OTP authentication, and optimize the admin panel for tracking user activity. I'll also make sure subscriptions and ads function perfectly while keeping the code clean, scalable, and App Store-ready. Please knock me in chat as I have some queries regarding the project to proceed further, Shipra
$750 USD in 7 days
0.0
0.0

Hi There, Hope you're doing well! I am excited to submit my proposal for the development of your app for both iOS and Android platforms. With extensive experience in mobile app development and a strong track record of delivering high-quality applications. We have 7+ years in the IT industry in which I have gotten a chance to work on Mobile Applications (ReactNative, Hybrid, Flutter, Xamarin) with JS technologies like VueJS, AngularJS, ReactJS, NodeJS, MeteorJS. Below is our Sample work: ~LEAP FITNESS GROUP ~Fiskl - Mobile Invoicing App ~Agent Jack ~Inventory Unique ~Mentorship App - ~Drinkr App - ~Tipsy Tales App - I am looking forward to hearing from you soon. Best Regards, Gayatri
$1,350 USD in 17 days
0.0
0.0

Iraq
Member since Mar 12, 2017
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