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I need a lightweight iPhone app that keeps four users typing in sync on a single screen. The interface is nothing more than a 2 × 2 grid of text boxes—one box per user—with each user’s name clearly shown. As soon as someone submits text it must appear instantly in the correct cell for every device running the app; no approvals, no delays. Continuous input is expected: users can keep adding lines without leaving the screen, and they should be able to tap their own content to revise it later. No delete option is required beyond normal editing. There is no extra navigation. On launch the app can ask “Who are you?” or just assume a pre-set user for testing; after that, the grid is live. I am open to the back-end method—Firebase Realtime Database, CloudKit, WebSockets, or another lightweight service—as long as updates propagate in real time and the code remains easy to read. Deliverables • Xcode project in Swift (SwiftUI or UIKit—your choice) that builds against the current iOS SDK • README explaining any third-party services, keys, and how to run the app locally • One TestFlight build so I can verify live updates on multiple devices If the grid fills the safe area cleanly, updates within a second, shows each user name, and lets the author edit their own text, we’re done.
Mã dự án: 40250471
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Hoạt động 10 ngày trước
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Hello, I’m a mobile developer with strong experience in Swift, SwiftUI, iOS development, Xcode, and real-time data synchronization using Firebase Realtime Database and WebSocket-based backends. I’ve built lightweight multi-user apps where updates propagate instantly across devices, with clean state management and clear, maintainable Swift architecture. For your 2×2 synced text grid, I would implement a SwiftUI-based interface that fills the safe area cleanly, binds each text cell to a real-time backend (Firebase or similar), and ensures updates appear across all devices within milliseconds. Each user will have isolated edit permissions for their own content, continuous input without navigation, and a simple identity selection on launch. The project will include a clean Xcode build, README setup guide, and a TestFlight build for multi-device validation. I’m interested in a long-term collaboration and help scale your projects reliably. Best regards, Carlos
$30 USD trong 5 ngày
1,2
1,2
60 freelancer chào giá trung bình $137 USD cho công việc này

Hi, I understand your need for a seamless, real-time synchronized typing experience across four users on a simple 2 × 2 text grid. This isn’t just about syncing text; it’s about creating a fluid, distraction-free environment where collaboration happens instantly without delays or confusion. With my expertise in Swift and real-time data frameworks like Firebase and WebSockets, I will develop a clean, efficient iPhone app that keeps every user’s input perfectly in sync, visible instantly, and easily editable by the author. I recommend SwiftUI for a modern, responsive UI that fills the safe area neatly. I’ll provide a detailed README for setup and deployment, plus a TestFlight build for your verification. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Which real-time backend service do you prefer or would you like me to recommend the best fit for lightweight, easy maintenance and scalability? Thanks, Asad
$95 USD trong 5 ngày
8,2
8,2

Hello, I have read your requirement to build a lightweight iPhone app that keeps four users typing in sync on a single 2×2 grid screen. I can do that, and I have 8 years of experience in mobile app design and development with backend integration. I have developed more than 200+ mobile applications with real-time features and cloud backends. Your concept is clean and technically straightforward, which makes it perfect for a robust, elegant implementation. I would build this in Swift using SwiftUI for a modern, minimal interface that cleanly fills the safe area and adapts to all iPhone sizes. The 2×2 grid will remain permanently visible, with each cell clearly labeled with the user’s name. Updates will propagate in real time (well under one second) using a lightweight backend such as Firebase Realtime Database or Cloud Firestore with snapshot listeners. This guarantees instant sync across all connected devices without refreshes, approvals, or navigation. Each user will be able to continuously append lines within their own cell, and tap to edit their existing content naturally using standard text editing behavior. Permissions will be structured so users can modify only their own content while viewing others live. The launch flow will either prompt “Who are you?” or use a preconfigured identity for quick testing, depending on your preference. I’d be happy to start immediately and deliver a simple, reliable first build quickly for live testing.
$180 USD trong 21 ngày
8,0
8,0

Hi, I really like the simplicity of this—just a clean 2×2 grid, four users, and instant sync with no friction. I can build this in SwiftUI with Firebase Realtime Database (or WebSockets if you prefer) so text submissions propagate across devices within a second, while allowing each user to edit only their own content. The app will launch with a simple “Who are you?” selector, then stay on the live grid with safe-area–perfect layout and continuous input. I’ll deliver a clean Xcode project, clear README for setup/keys, and a TestFlight build for real-device verification. Looking forward for your positive response in the chatbox. Best Regards, Arbaz T
$200 USD trong 7 ngày
6,4
6,4

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$80 USD trong 5 ngày
6,0
6,0

Hi there, To build a real-time 2×2 multi-user text grid, the most critical part is choosing a synchronization method that guarantees near-instant updates while keeping editing smooth and conflict-safe. I’ll approach this using SwiftUI with a lightweight real-time backend such as Firebase Realtime Database or CloudKit, structured so each user writes only to their assigned node while listening to all four cells. Updates will propagate instantly across devices, and users will be able to tap and revise only their own content without affecting others. The UI will fill the safe area cleanly, remain minimal, and support continuous typing without screen transitions. My process is simple: Design clean SwiftUI grid layout Implement real-time sync with conflict-safe editing Test multi-device updates and prepare TestFlight build Once we confirm preferred backend choice, I’ll provide a precise timeline and fixed estimate. If this aligns with you, let’s discuss in detail via private chat.
$140 USD trong 7 ngày
5,9
5,9

Hi there, as an experienced iOS developer specializing in creating lightweight and efficient iPhone apps, I am excited about the opportunity to work on the Simple Multi-User iPhone Text Grid project. With a strong background in Xcode, iOS Development, Swift, and app development, I am well-equipped to deliver a seamless solution tailored to your specifications. ✅ Leveraging my expertise in SwiftUI, I will design a user-friendly interface featuring a 2x2 grid of text boxes displaying each user's name clearly. ✅ Implementing real-time updates using Firebase Realtime Database, I will ensure instant synchronization of text submissions across all devices. ✅ To facilitate continuous input, I will enable users to add and revise text without leaving the screen, enhancing the interactive experience. ✅ The seamless integration of editing capabilities will allow users to tap on their content for easy revisions, ensuring a smooth user experience. ✅ Upon completion, the Xcode project will be accompanied by a comprehensive README detailing third-party services, keys, and instructions for local app execution. I aim to provide a TestFlight build for multi-device verification to guarantee live update functionality. I look forward to working with you. Best Regards, Brayan
$200 USD trong 3 ngày
5,6
5,6

You are not looking for a coder. You are looking for someone who can build this properly. That is exactly why your project stood out. Your intent to create a lightweight iPhone app that synchronizes four users’ typing in real time over a minimal 2 × 2 grid reflects a focus on immediacy and seamless collaboration, which calls for a backend solution optimized for low latency and clarity. At DigitaSyndicate, a UK-based digital systems agency, we build precision-engineered, scalable mobile applications and real-time data platforms designed for reliable synchronization and intuitive user experience. Our approach ensures clean UI integration and instant propagation without unnecessary overhead or complexity. We recently delivered a synchronized note-taking app using SwiftUI and Firebase Realtime Database that maintained sub-second update speeds across devices. Can you share your main priorities and timeline so I can map out the right execution plan for you? Casper M. Project Lead | DigitaSyndicate Precision-Built Digital Systems.
$200 USD trong 14 ngày
5,6
5,6

Hi there, I can build your lightweight iPhone app in Swift (SwiftUI): a single screen with a 2×2 grid of text boxes (one per user) showing each user’s name. When anyone submits text, it will appear in the correct cell on every device within a second. I’ll use a simple real-time backend like Firebase Realtime Database (or CloudKit if you prefer). Each cell maps to a shared record/path, and the app listens for changes so updates sync instantly. Users can keep adding lines without leaving the screen, and they can tap their own box to edit their content later. No extra navigation—on launch we’ll ask “Who are you?” (User 1–4) or use a preset user for testing. Deliverables: Xcode project in Swift (current iOS SDK) README with setup/keys and how to run locally One TestFlight build to verify live syncing across devices Best regards, Jonathan
$140 USD trong 7 ngày
5,3
5,3

Greetings Client, I hope you’re doing well. I’ve reviewed your requirements for Simple Multi-User iPhone Text Grid, and I’d be glad to support you with a structured and results-focused approach. My process begins with a detailed analysis of your current setup to identify opportunities, gaps, and quick improvements. Based on this assessment, I’ll create a tailored strategy aligned with your goals, ensuring both quality execution and long-term value. Throughout the project, I focus on clear communication, timely delivery, and measurable outcomes. You’ll receive regular updates on progress, insights, and next steps, so everything stays transparent and aligned with expectations. I also believe in flexibility and collaboration, adapting the approach as needed to achieve the best results. I’d be happy to discuss your project in more detail and answer any questions you may have. Looking forward to working together. Best regards, Mehran Riaz
$230 USD trong 5 ngày
5,3
5,3

Hello, I’m excited about the opportunity to contribute to your lightweight iPhone app that keeps four users typing in sync in a simple 2×2 grid with instant real-time updates across devices. With my expertise in iOS Development, Swift, Xcode, Mobile App Development, and real-time data synchronization patterns, and a strong focus on clean, scalable implementation, I can deliver a solution that aligns perfectly with your goals. I’ll tailor the work to your exact requirements, building a single-screen SwiftUI (or UIKit) app with clearly labeled user cells, sub-second live propagation via a lightweight realtime backend, continuous line entry with in-place editing for each author, and a TestFlight build for multi-device verification. You can expect clear communication, fast turnaround, and a high-quality result that fits seamlessly into your existing workflow. Best regards, Juan
$140 USD trong 1 ngày
4,8
4,8

Hi There , Good evening! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Swift, JavaScript, iPhone, Xcode, App Development, Mobile App Development, PHP and iOS Development. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Have a great time
$155 USD trong 5 ngày
4,5
4,5

As an experienced full-stack developer with a passion for creating user-centric software and web solutions, I bring a unique skill set to this project. While my primary expertise lies in JavaScript and PHP, I have also dexterously worked with numerous other programming languages. With such proficiency, I'm confident of delivering a robust, sleek, and low-latency iPhone application which perfectly fits your project description. Over the last 8 years, my successful delivery of end-to-end projects for a plethora of clients has not only honed my technical skills but also refined my project management and communication abilities. Utilizing these strengths, I assure you that all of your specifications will be met efficiently, from designing a lucid UI with user's names at the heart of the interface to crafting reliable back-end synchronization mechanism via Firebase Realtime Database or any other method of your choice. Moreover, my familiarity and expertise with iOS SDK will facilitate your desire for swift update propagation while retaining readable code. Additionally, my detailed documentation style ensures clear explanations regarding any third-party services used, their keys, as well as instructions on running the app locally - leaving no room for ambiguity. Let me ensure your every user enjoys simultaneous typing within the grid with absolute satisfaction. Let's make it happen!
$100 USD trong 1 ngày
4,4
4,4

I can develop a lightweight iPhone app with a 2x2 grid of text boxes, where four users can type in sync, with real-time updates and the ability to edit their own content, using a suitable backend method such as Firebase Realtime Database or CloudKit, and deliver the Xcode project, README, and TestFlight build as required. Waiting for your response in chat! Best Regards.
$140 USD trong 3 ngày
4,5
4,5

Hi, As per my understanding: You need a lightweight iOS app where four predefined users type in a shared 2×2 grid. Each user’s text appears instantly in the correct cell across all active devices, with no moderation or delay. Users can continuously add lines and edit only their own content. There is no complex navigation—just a simple identity selection at launch and then a live synchronized grid. Real-time propagation (<1s), clean UI filling the safe area, and readable code are key. Implementation approach: I recommend SwiftUI for a clean, modern layout and Firebase Realtime Database (or CloudKit if Apple-native is preferred) for low-latency sync. Each grid cell will bind to a real-time listener scoped by user ID, enabling instant updates across devices. Edits will use structured message objects with ownership validation to restrict modifications to the author only. The architecture will remain minimal: single-screen view, lightweight data model, and clear separation of networking logic. I will deliver a clean Xcode project, README with setup steps and keys, plus a TestFlight build for multi-device verification. A few quick questions: Should users be fixed (4 predefined) or selectable dynamically? Is offline caching required? Preferred backend: Firebase or fully Apple-native (CloudKit)?
$98 USD trong 5 ngày
4,9
4,9

Hello, I hope you are doing well. I build mobile apps with SwiftUI and real-time sync, focusing on clean UX and reliable networking. I can design a lightweight 4-user grid with instant updates and in-place editing, no navigation tricks, exactly as described. This will be a simple screen with a 2x2 grid, each cell showing a user name and their text, updating across devices in under a second. I've previously implemented real-time collaboration using Firebase Realtime Database and WebSockets, delivering sub-second updates with readable, maintainable code. I’ll structure the project for easy testing and a clear README, keeping the backend choices lightweight and well-documented. I can deliver an Xcode project in Swift (SwiftUI or UIKit), a README with setup steps and service keys, and a TestFlight-ready build. The solution will be simple, robust, and focused on instant updates and per-user editing. Please feel free to contact me so we can discuss more details. I am looking forward to the chance of working together. Best regards, Billy Bryan
$250 USD trong 2 ngày
4,0
4,0

Hello! I have carefully analyzed your real-time 2×2 sync app requirements and have built lightweight SwiftUI apps using Firebase Realtime Database and WebSockets for sub-second live updates. I will deliver a clean SwiftUI Xcode project with instant propagation, user name display, editable self-content, and safe-area grid layout. The code will be simple, well-structured, and easy to maintain. I am available to start immediately and will provide a TestFlight build plus clear setup documentation. Best, Mauricio
$50 USD trong 7 ngày
4,1
4,1

Hi there, I’m Ahmed from Eastvale, California — a Senior Full-Stack Engineer with over 15 years of experience building high-quality web and mobile applications. After reviewing your job posting, I’m confident that my background and skill set make me an excellent fit for your project — Simple Multi-User iPhone Text Grid . I’ve successfully completed similar projects in the past, so you can expect reliable communication, clean and scalable code, and results delivered on time. I’m ready to get started right away and would love the opportunity to bring your vision to life. Looking forward to working with you. Best regards, Ahmed Hassan
$120 USD trong 2 ngày
3,9
3,9

Hello! A clean, real-time collaborative grid where four users can type simultaneously with zero friction—this is a fun and focused build, and we can deliver it exactly as you've described. We're a team of 62 professionals with over 9 years of iOS development experience, and we've built numerous real-time apps using Swift and Firebase. Here's how we can help: - Build a lightweight SwiftUI (or UIKit) app with a simple 2x2 grid that fills the safe area, clearly showing each user's name and their editable text box. - Integrate Firebase Realtime Database for instant sync—when one user submits text, it appears in the correct cell on every device within a second, no delays. - Handle user identity with a simple "Who are you?" prompt on first launch, then keep the grid live with continuous input and in-place editing for each user's own content. We'll deliver the complete Xcode project with a clear README explaining setup, plus a TestFlight build so you can verify live updates on multiple devices right away. To confirm scope: should each user only be able to edit their own assigned cell, or is the goal that anyone can edit any cell? Also, do you have a preference for SwiftUI vs UIKit?
$140 USD trong 3 ngày
3,7
3,7

HELLO, HOPE YOU ARE DOING WELL! I've read through your requirements for a real-time synced 2 × 2 grid typing app for iPhone with seamless updates and an ultra-simple interface—clear and straightforward. This matches my specialization in real-time collaborative apps and user-friendly SwiftUI/UKit interfaces. My plan is to build a minimal, clean Xcode project leveraging a streamlined back-end for instant updates, thorough README, and a TestFlight build so you can experience flawless sync on all your devices. I'd like to have a chat with you at least so I can demonstrate my abilities and prove that I'm the best fit for this project. Warm regards, Natan.
$140 USD trong 1 ngày
3,5
3,5

Hi, I’d be happy to build this for you. The scope is clear and very achievable: a lightweight iPhone app with a 2×2 grid, real-time sync, instant updates, and inline editing for each user. I would implement it in SwiftUI targeting the latest iOS SDK. The UI will be a single safe-area–filling screen with a responsive 2×2 grid. Each cell will display the user’s name and a scrollable text area. Users can continuously add lines and tap their own text to edit it. No extra navigation, no approval flow. For real-time updates, I recommend Firebase Realtime Database. It provides sub-second synchronization, simple listener-based updates, and very clean integration. Each device listens to a shared session node, so when one user submits text, all devices update instantly. If you prefer Apple-native, CloudKit is also possible. On launch, the app will ask “Who are you?” (User 1–4) or allow a preset user for testing. After selection, the grid becomes live. Deliverables: • Clean Xcode project (SwiftUI) • README explaining setup, keys, and how to run locally • One TestFlight build for multi-device verification Estimated timeline: 5–10 days including testing and TestFlight. If this matches your expectations, I’m ready to get started.
$120 USD trong 15 ngày
3,7
3,7

harmony, United States
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