iOS app to sync text content between two users through Bluetooth Low Energy (BLE)

@jastp

Greetings from Logictrix! My name is Jas, and I am looking forward to discuss about your app in details over the Chat or Call. We have enough app developers available in team so I can assure you to deliver this project at a fairly low cost with great quality and with a commitment for long term support. *** We have earned 'Expertise' level in AI development and used many AI platforms like openAI, Freepik, Antigravity, Cursor etc for App development and other AI work! *** We have developed around 400+ Android and iOS apps using Native and Flutter SDK in the past 15 years, Many apps are Live in Google play and App store. We will share our detailed portfolio over the Chat once we connect. Looking forward to your reply... Thanks and Regards Jas

@om26er

Hello, i have already worked on a BLE based mobile application recently, i have read the project description(both Stories). i am a mobile applications developer and i have more than 8 years of experience developing mobile applications with backend services. i have completed more than 525 projects either local or internet based. i am supet confident i will provide you best quality software services on time and on budget. Let's chat to proceed.

@ominfowave

Hello We are Ominfowave Software Services Pvt. Ltd., and we have an expert mobile application development team with 10+ years of experience in building reliable, high-quality apps. ? Our Core Expertise •Android App Development (Kotlin / Native) •iOS App Development •Flutter & FlutterFlow (Cross-platform) Our team understands not just development, but also performance, user experience, scalability, and timely delivery. ? What We Can Deliver ✔ Social media integrations (Facebook, Google, Twitter, etc.) ✔ Google APIs (Maps, Places, FCM, YouTube, Analytics) ✔ Offline & cloud database solutions (SQLite, MySQL, Realtime DB) ✔ Secure payment integrations (Stripe, PayPal, Braintree) ✔ Ad monetization (AdMob, Appodeal, MobVista) ✔ In-App Purchases ✔ Location tracking & real-time features ✔ Chat & messaging applications ? App Types We’ve Built •Social Media Apps •Shopping & eCommerce Apps •Job Portals •Taxi / Carpooling Apps •VPN & Utility Apps •Travel & Booking Apps •Live Streaming Apps •AI & Machine Learning–based Apps ? Why Work With Us •10+ years of hands-on experience •Clean, scalable & secure code • Clear communication & regular updates • On-time delivery with quality assurance • Long-term support after project completion We would love to work with you and build a long-term, trusted business relationship. Let’s discuss your idea and turn it into a successful application Warm regards, Vishal Nasit Ominfowave Software Services Pvt. Ltd.

@kodecubeinfosys

As a seasoned mobile app developer with 12+ years of experience, Bluetooth Low Energy (BLE) is right up my alley. I've had the privilege to develop numerous iOS apps that integrate this functionality, and I'm confident that I can deliver an outstanding result for your project. The dedicated team behind me ensures that all our source codes are not only functional but highly readable too, which is essential for any future development. Aside from BLE expertise, my proficiency extends to Android, App Design, iOS Development, iPhone, and Swift. This comprehensive skill set aligns perfectly with your project needs. Not only will I create a functioning prototype with minimalist UI but no compromises on code quality. Additionally, our flexible yet deadline-oriented work ethic is curated based on over a decade of completing hundreds of successful projects. I approach each task, may it be personal or business-focused, with the same level of dedication. So let's get started – I am excited to make your app dream into a reality!

@tangramua

Hello! Your use case maps perfectly to BLE advertising and scanning, where one device broadcasts text payloads and the other automatically detects and reads them when it comes into range - no accounts, pairing, or permissions between users required. This approach is lightweight, reliable, and ideal for quick peer-to-peer data exchange in close proximity. We would implement this as a minimal iOS app, focusing purely on the BLE logic and clean, readable source code. One user’s device will advertise the text as a BLE characteristic, while nearby devices scan and retrieve it instantly when within range, fully offline. The same logic works symmetrically for both users as described in your user stories, ensuring a seamless experience without any manual setup. You will receive a working prototype with simple UI, well-structured code, and clear comments so it can be easily extended later if you decide to grow this into a larger project. We can comfortably deliver this within your one-month timeframe and keep the architecture ready for future enhancements if needed. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Kateryna Sales department Tangram Canada Inc.

@kareemmaize

Hi, the clean way to build this is to treat each phone as both broadcaster and receiver using BLE roles. A real flow would be: user A opens the app and writes T1 -> app stores it locally and starts advertising -> user B comes into range -> B’s app scans, connects, and reads T1 -> stores it and displays it. The same flow works in reverse when B writes T2, so both devices stay symmetric without needing accounts or internet. These prototypes often look simple, but fail when devices reconnect or when messages are missed during brief proximity windows. One real issue is a device advertising data but the other not picking it up due to scan timing or state changes, so I handle it by structuring message persistence and retry on reconnect instead of one time transfer. The part to get right early is the BLE communication pattern and state handling, because that controls both reliability and user experience.

@rbtech1984

Hello There!!! ★★★★ (Build a lightweight iOS BLE prototype for offline text sharing between devices) ★★★★ Project understanding: I understand you need a simple iOS prototype where two users can exchange text messages directly via BLE without internet, accounts, or permissions. One device sends text when in range and the other receives it, and vice versa. ⚜ iOS BLE peer-to-peer communication setup ⚜ Swift prototype with minimal UI ⚜ Text send/receive data handling ⚜ Device discovery & proximity detection ⚜ Offline functionality (no WiFi/cellular) ⚜ Clean, readable source code ⚜ Simple demo-ready build (TestFlight/IPA) I have experiance in Swift and iOS development including Bluetooth Low Energy projects and offline data transfer apps. I’ve worked on lightweight prototypes focusing on stability and simplicity. My approach is using CoreBluetooth framework, setting central/peripheral roles, implementing simple GATT service for text sync, and keeping UI minimal for fast testing. Happy to start quickly and share early build updates. Warm Regards, Farhin B.

@techplusintl

Hi, To create a working prototype for your app, I'll develop a solution that allows users A and B to exchange text content via BLE. This will include: - Implementing BLE functionality for text exchange - Creating a simple UI for user interactions - Ensuring the app works without internet connectivity - Writing clean and readable source code I'll follow a structured approach to ensure the app meets your requirements and is easy to understand. Ready to start once you provide any additional details or access needed. Thanks!

@bholakumar2298

Hi there, I have experience Bluetooth broadcast and Bluetooth receiving and send response from one device to another device, I can create this after you, let’s connect to discuss about tech stack and get started thank you

@mobiwebsolutions

✋ Hi There!!! ✋ THE GOAL OF THE PROJECT:- TO BUILD A SIMPLE IOS BLE BASED PROTOTYPE FOR OFFLINE TEXT SYNC BETWEEN TWO USERS WITHOUT INTERNET OR ACCOUNTS I have carefully reviewed your complete requirement including BLE based peer to peer text transfer, minimal UI, and offline functionality without authentication or encryption. I am best fit for this project because I have strong experience in iOS Bluetooth Low Energy development and lightweight real time data exchange systems. 1 Implement BLE communication in Swift for nearby device discovery and data transfer between two iPhones 2 Build simple sender and receiver flow for text content exchange without internet or user accounts 3 Ensure stable connection handling, smooth proximity detection, and clean readable prototype code with testing I will provide UI implementation, BLE integration, testing, debugging, and full source code delivery with clean documentation for future expansion. I have 9+ years experience as a full stack developer and worked on multiple iOS and Bluetooth based prototype applications. I have built similar offline data sync and BLE communication apps for proximity based data sharing use cases. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!

@logicstones

Hi, This is a clear and interesting prototype—I can build it reliably using Bluetooth Low Energy (BLE) for offline, peer-to-peer communication between iPhones. With 8+ years of iOS development experience, I’ve worked with device-to-device communication and can implement this using CoreBluetooth to handle discovery, connection, and data transfer without WiFi or mobile data. **My approach** • Use BLE advertising + scanning so nearby devices auto-detect each other • Implement a simple message queue (store T1/T2 locally until a peer is discovered) • Auto-transfer messages when devices come into range (no login, no manual pairing UI) • Minimal UI (input + received messages view) as per your requirement • Ensure smooth background handling within iOS limitations **What I’ll deliver** • Working iOS prototype (Xcode project in Swift) • Clean, well-structured, and readable source code • Simple UI for sending/receiving text • Instructions to run and test on real devices **Important note** Due to iOS BLE restrictions, completely silent/background exchanges without any system-level prompts can be limited—but I’ll implement the closest possible seamless experience within Apple guidelines. **Timeline** • 2–3 weeks for a solid working prototype I can start immediately and keep the implementation simple, stable, and extendable if you decide to grow this into a full product. Let’s connect and get this prototype built. Best regards, Abubakar

@jeanpatrickr8

Hello, I appreciate the opportunity to work on your prototype app that facilitates communication between two users via BLE without the need for a network connection. I understand the goal is to enable seamless text sharing between users A and B as they come into proximity. With over five years of experience in mobile application development and a strong background in Bluetooth Low Energy (BLE) technology, I am well-equipped to deliver a functional prototype. My expertise includes building user-centric applications with a focus on performance and usability, ensuring that the source code is clean and maintainable. To achieve your project objectives, I propose the following approach: - Develop a minimalistic UI to focus on core functionalities. - Implement BLE communication allowing users to exchange text content without any network dependency. - Ensure the app is user-friendly, requiring no registration or permissions. - Deliver the complete source code with thorough documentation for readability and future enhancements. I am eager to start this project and confident in my ability to meet the one-month deadline. Please feel free to reach out to discuss any further details or adjustments. Thank you for considering my proposal!

@shawanay

I will build a iOS BLE-based prototype that enables two anonymous users A and B to exchange simple text messages when they come within Bluetooth Low Energy range, with a minimal UI, no registration, and offline peer discovery using CoreBluetooth, ensuring reliable proximity-based send/receive flow for T1 and T2 as described. Best regards, Shawana

@letswork92

I understand that you want to create a simple yet effective prototype for syncing text content between two users via Bluetooth Low Energy (BLE), without relying on Wi-Fi or mobile networks. This presents an exciting challenge, especially in ensuring seamless communication as users move closer to each other. With over 12 years of experience in full-stack development and mobile app automation, I am well-versed in frameworks like Flutter and React Native that can help build your iOS app efficiently. My expertise also extends to backend technologies such as Node.js, which can facilitate the app's functionality. Creating a clean codebase with excellent readability is a priority for me. To ensure we stay aligned with your vision, could you please clarify if there are any specific UI elements you have in mind, even if minimal? This will help me tailor the prototype effectively to your needs. Looking forward to collaborating on this innovative project!

@ayesha86664

Hi there! You are building a BLE based offline proximity messaging app for iPhone where the core challenge is reliable device discovery and message delivery without internet or accounts. I recently built an iOS CoreBluetooth peer-to-peer messaging prototype that enabled stable offline text exchange between nearby devices, improving discovery consistency by tuning advertising intervals and handling background state restoration in iOS. I will use Swift with CoreBluetooth, implement custom GATT services for text transfer, and design a lightweight proximity-based trigger system so messages are exchanged automatically when devices come within range while ensuring low power usage and smooth iOS background behavior. Check our work: https://www.freelancer.com/u/ayesha86664 Should the system prioritize instant one-time delivery or maintain a short retry window when devices briefly disconnect? I am ready to start — just say the word. Best Regards, Ayesha

@SalinaSof30

Hi, I see, You need a lightweight iOS prototype that syncs text between two nearby users using Bluetooth Low Energy (BLE), without internet or complex UI. With 8+ years of experience in iOS development, I’ve worked with CoreBluetooth to build reliable peer-to-peer communication apps. I can deliver a clean, minimal prototype where users can write text and automatically exchange data once devices come within BLE range—fully offline and seamless. In your app, user A can write text and user B will receive it instantly upon proximity, and vice versa, with smooth background scanning and connection handling. For this project, I can provide/deliver: • BLE-based text sync using CoreBluetooth • Minimal, clean UI for quick interaction • Automatic discovery & data transfer (no login) • Stable send/receive logic for both users • Well-structured, readable source code • Completion within your 1-month timeline I’ll ensure the prototype is scalable if you decide to expand features later. Do you want the app to store past messages locally or just handle one-time transfers? Best regards

@MIndlabsAi6

Hello, I am Vishal Maharaj, with 20 years of experience in iOS Development, Android, Swift, Prototyping, iPhone, and Mobile App Development. I have carefully reviewed your requirement for an iOS app to sync text content between two users through Bluetooth Low Energy (BLE). To achieve this, I will create a simple yet efficient prototype that allows users A and B to exchange text content seamlessly when in proximity. The app will not require internet connectivity and will operate solely on BLE technology. Users will be able to write and receive text content without the need for registration or permissions. I am confident in my ability to deliver a functional prototype with clear and readable source code within the specified timeframe. Please initiate a chat to discuss this project further. Cheers, Vishal Maharaj

@HamparProd

Hi, This is a good fit because the scope is clear and prototype-focused: two nearby devices, BLE only, minimal UI, no accounts, and simple text sync when users come into range. I’d build this as a lightweight iOS prototype in Swift using CoreBluetooth, with one clean flow: each device can advertise its latest text, scan for nearby peers, and sync the content automatically once the phones are close enough. The app can keep the UI minimal while the main effort goes into BLE reliability—peer discovery, message transfer, reconnect handling, and making sure T1/T2 are received consistently without requiring Wi-Fi, mobile data, or account setup. I’d also keep the code readable and modular, so if the prototype works well, it can later be extended with features like message history, delivery state, encryption, or Android compatibility. The goal here is not to overbuild, but to give you a working BLE prototype that proves the core interaction clearly.

@Pavlo1Liashenko

As an experienced Mobile App Developer with 8 years under my belt, I'm confident that I can deliver the functioning prototype you're seeking for your iOS app. My broad expertise includes proficiently working with Swift for iOS development as well as cross-platform mobile solutions such as Flutter and React Native. This range of skills gives me the ability to create a prototype that optimizes performance and usability while being scalable for long-term growth. Furthermore, beyond just getting the job done, I'm committed to delivering excellence. This includes handing over smart prototypes with good readability, allowing you or any future developers on your team to easily navigate and build upon the work. I understand the importance of a timely delivery but never compromises on quality. Let's begin this journey together and create an app that'll truly impact and ease your life!