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I have a working Bluetooth application that now needs a focused upgrade. The priorities are clear: first, make its connectivity rock-solid; second, broaden the range of hardware it can talk to. The codebase already runs on both iOS and Android, but I want the refresh to treat the two platforms as equals—no feature lag on either side. On Android, the UI is primarily used on tablets, so please keep tablet screen sizes and orientation changes in mind when you refactor any views or pairing flows. Bluetooth-wise, the goal is faster discovery, more stable bonding, and graceful reconnection after signal loss. You’ll likely dive into CoreBluetooth on iOS and the latest Android BLE stack, optimise the connection logic, tighten the retry mechanisms, and verify that multi-device handling does not degrade performance. I’m keen to see a clean abstraction layer that keeps the platform-specific code contained so future maintenance stays simple. Because additional device support is part of the brief, I’ll supply a short list of new peripherals we want to certify against. You’ll test with those, plus any others you have on hand, and document the steps so QA can reproduce results. If you spot security gaps while you’re in the code, flag them—we may scope an extra milestone for enhanced security later, but it isn’t included in this sprint. Deliverables • Updated iOS and Android projects with improved connection stability and multi-device support • Optimised Android tablet layouts where necessary • Test report covering all new peripherals and reconnection scenarios • Brief technical note outlining changes, new classes, and any TODOs for future security work Send over a concise outline of your approach, the hardware you can test on immediately, and a realistic timeline for getting a beta build into TestFlight and Google Play Internal Testing.
Proje No: 40075156
75 teklifler
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Hi Thanks for your valuable time. :-) We are going to study your given details and update you with our comments. If you have more detail to add then please provide - so we can take it into consideration during our study. If you would like to setup meeting then Can you please suggest time between 11am to 8pm IST ? I will provide you nice UI/UX design, high coding standard and If there will be need of CMS then will develop it as per project-flow. Here are some live urls : [login to view URL] Latest Apps : [login to view URL] We are team of developers and You will directly work with your Technical Team. :-) I am not just looking for money or 1 project - I believe in long term business relationship. Why should you hire Me : [login to view URL] Update you soon - Have a great day. Regards, Ghanu & Samir. KESHAV INFOTECH
$498 CAD 7 gün içinde
9,4
9,4
75 freelancer bu proje için ortalama $487 CAD teklif veriyor

Hello, I’m Muhammad Awais. I will upgrade your cross-platform Bluetooth app to deliver rock-solid connectivity, broader device support, and parity between iOS and Android, with careful attention to tablet layouts on Android. Understanding and approach: I understand your goals and will create a clean abstraction layer that isolates platform specifics, optimize CoreBluetooth on iOS and the latest Android BLE stack, tighten discovery, improve bonding and reconnection, and robustly manage multi‑device scenarios. I’ll align UIs for tablets and ensure smooth orientation handling, while keeping maintenance simple. I’ll document changes, new classes, and a concise security note for any future milestones, and prepare beta builds for TestFlight and Google Play Internal Testing. Which peripherals are top priority for certification, and are there any additional devices you want included in the initial test suite? Do you have preferred iOS/Android target versions and tablet form factor coverage for testing? Are there any security gaps you want addressed now that could lead to a future milestone? What is the timeline for beta builds in TestFlight and Google Play Internal Testing, and what QA criteria should we target? Which peripherals are top priority for certification, and is there a security milestone you want scoped later that I should align with now? Best regards,
$750 CAD 16 gün içinde
8,9
8,9

HELLO, I READ YOUR REQUIREMENTS CAREFULLY AND CLEARLY UNDERSTAND THAT THIS IS A TARGETED BLUETOOTH CONNECTIVITY UPGRADE FOR AN EXISTING CROSS-PLATFORM IOS & ANDROID APP, WITH EQUAL FEATURE PARITY AND NO REBUILD. I HAVE 10+ YEARS OF EXPERIENCE WORKING WITH COREBLUETOOTH (IOS) AND THE ANDROID BLE STACK, INCLUDING MULTI-DEVICE CONNECTIONS, RECONNECTION LOGIC, AND TABLET-FIRST ANDROID UI FLOWS. APPROACH Audit existing Bluetooth layer on both platforms Optimize: Device discovery speed Bonding & handshake stability Reconnection after signal loss Improve retry, timeout, and state management logic Implement a clean abstraction layer to isolate platform-specific BLE code Ensure multi-device handling does not degrade performance Refactor Android UI where needed for tablet layouts and orientation changes Certify and test against all new peripherals provided TESTING & DOCUMENTATION Test reconnection, signal drop, and multi-device scenarios Validate performance parity on iOS & Android Provide a clear test report and QA-ready reproduction steps Deliver a technical summary of changes, new classes, and future security TODOs HARDWARE & DELIVERY CAN TEST IMMEDIATELY WITH MULTIPLE BLE PERIPHERALS (IOS + ANDROID DEVICES) BETA BUILDS VIA TESTFLIGHT & GOOGLE PLAY INTERNAL TESTING CLEAN, MAINTAINABLE CODE WITH NO FEATURE LAG BETWEEN PLATFORMS I EAGERLY AWAIT YOUR POSITIVE RESPONSE. THANK YOU
$500 CAD 7 gün içinde
8,2
8,2

Hello, As an accomplished software developer with a core focus on efficient cross-platform mobile development, I believe I'm the ideal fit for your project. My proficiency in both Android and iOS app development using React Native, Swift and Kotlin enables me to seamlessly integrate the codebase to provide a cutting-edge Bluetooth application experience. Additionally, my broad expertise in API integration and database management guarantees data integrity for stable bonding and reconnection post-signal loss. Regarding your tablet-centric Android UI, my extensive knowledge in creating responsive layouts will address any orientation discrepancies while ensuring an immersive user experience. You can also count on me to construct a clean abstraction layer that compartmentalizes the platform-specific code, simplifying future maintenance. My holistic understanding of scalable architecture and cloud deployment further ensures that I don't treat either platform as lagging behind - keeping them at par. In conclusion, you are looking for a seasoned professional who can build upon your existing Bluetooth application with a steadfast commitment to quality and user satisfaction. I am confident that my diverse skill set and mentioned experiences make me the ideal choice. Let's breathe new life into your Bluetooth functionality!
$500 CAD 7 gün içinde
6,9
6,9

Hello, With over a decade of combined experience in both iOS and Android mobile app development, I am confident in my abilities to deliver the upgrades your Bluetooth application needs. At Curveball, we have a broad and in-depth knowledge of working with CoreBluetooth on iOS and the latest Android BLE stack, ensuring that your connectivity will be not only reliable, but also optimized for speed and stability. What sets Curveball apart is our unwavering commitment to building clean, scalable solutions. We fully understand your desire to keep platform-specific code contained and maintainable for future updates, thus we will provide a clean abstraction layer that standardise functions without compromising performance. As for multi-device support, rest assured that I have extensive expertise in handling such scenarios without any degradation in performance. Beyond technical expertise, my team at Curveball is equipped to test your project against the new peripherals you've mentioned as well as others. We emphasise strong QA standards, so you can expect comprehensive test reports with detailed steps for reproduction. If there are any security gaps detected during the process, rest assured they will be promptly flagged - thoroughness is built-in from the get-go! All these aspects put together ensure that our partnership will not only meet, but exceed your expectations. Let's get started on delivering an upgraded app that lets your users connect seamlessly across all devices!
$500 CAD 7 gün içinde
6,3
6,3

Hello There!!! ⚜⭐⭐⭐⭐⚜(( Rock solid cross platform Bluetooth upgrade with equal iOS and Android parity ))⚜⭐⭐⭐⭐⚜ What stood out immediately is your emphasis on connection stability first and hardware expansion second, while treating iOS and Android as true equals. That focus on long term maintainability through a clean abstraction layer is exactly how Bluetooth projects stay healthy as device lists grow. You are looking to harden discovery, bonding, reconnection, and multi device handling, while also refining Android tablet layouts and documenting everything clearly for QA and future work. This is a focused technical sprint, not a feature experiment. I have worked on cross platform mobile apps where BLE reliability, reconnection logic, and device certification were critical, including projects that required CoreBluetooth tuning on iOS and modern Android BLE stack optimization with tablet specific UI considerations. Key features: * Faster discovery and stable bonding with improved retry and reconnection logic * Clean Bluetooth abstraction layer isolating platform specific code * Certified multi device support with documented test scenarios If this aligns, I would be happy to outline the upgrade approach, testing hardware, and a clear path to TestFlight and Google Play internal builds. Warm Regards, Farhin B.
$256 CAD 10 gün içinde
6,4
6,4

Hi Pascal, I will start by diving into CoreBluetooth on iOS and the latest Android BLE stack to optimize connection logic, tighten retry mechanisms, and ensure stable bonding and reconnection. I'll create a clean abstraction layer to contain platform-specific code and focus on improving connection stability and multi-device support. Let's discuss further details. Regards, Sai Bhaskar
$330 CAD 5 gün içinde
5,4
5,4

Coming to your crucial project that demands white-glove treatment in enhancing Bluetooth connectivity, my decade-long expertise as a certified Mobile Developer embodies the capacity you're looking for. My capabilities extend to both platforms you're targeting, iOS and Android, where I hold hands-on proficiency in CoreBluetooth and Android BLE stack, the exact same domains we need to delve into for this revamp. The assurance of rock-solid connectivity, broad hardware compatibility, and optimizing multi-device handling lies within the realms of my prowess. Beyond just ensuring your Bluetooth app upgrades meet your present demands smoothly, my mastery is met by the foresight needed to craft a system with future maintainability. Your mention of creating a clean abstraction layer aligns with my longstanding approach of prioritizing software longevity. So, rest assued, your project will be skillfully handled and poised/future-proofed for iterative security advancements. In addition to sharing an intense passion for enhancing User Experience, I promise precise testing and comprehensive documentation. My track records show a maximum client satisfaction rate through amplifying user engagement by up to 40%-
$400 CAD 7 gün içinde
5,6
5,6

Hi There!!! !!>>> THE PROJECT GOAL IS TO UPGRADE CROSS-PLATFORM BLUETOOTH CONNECTIVITY WITH STABLE MULTI-DEVICE SUPPORT <<<!! I have carefully studied your project description and understand you need a rock-solid Bluetooth upgrade for iOS and Android with broader device compatibility, optimised tablet layouts, and clean abstraction for future maintenance. I am best fit for this project because I have strong experience with CoreBluetooth, Android BLE, and cross-platform mobile optimization. Relevant points: * Improved Bluetooth discovery, bonding, and reconnection logic * Optimised Android tablet UI and orientation handling * Multi-device testing and documented technical notes for QA I provide basic services like design, database management, testing, source code delivery, and setup documentation at the end of the project. I have 9+ years experience as a full stack developer and have worked on similar cross-platform mobile apps with BLE connectivity and multi-device support. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$255 CAD 11 gün içinde
5,0
5,0

Hello, This sprint will turn Bluetooth from “works” into “trustworthy”: fast discovery, stable bonding, and seamless reconnection even after signal drops, on both iOS and Android with zero platform lag. We’ll build a maintainable BLE architecture (clean abstraction + contained native stacks) so adding new peripherals later becomes predictable, not painful. Tablet-first Android UX will be protected during refactors (orientation, large screens, pairing flows, and state continuity). I can start testing right away on iOS (iPhone/iPad) and Android (phones/tablets), then we’ll certify your target peripherals and ship beta builds to TestFlight + Play Internal Testing within ~2 weeks, with a clear technical note + QA-ready test documentation.
$500 CAD 7 gün içinde
5,1
5,1

Hi, Kareem here. To upgrade this Bluetooth app successfully, the main thing to get right is connection reliability with a clean cross-platform abstraction—fast discovery, stable bonding, and graceful reconnection that behaves the same on iOS and Android. I’ll refactor the BLE layer using CoreBluetooth on iOS and the modern Android BLE stack, tightening retry/backoff logic and isolating platform-specific code so future device support stays simple. I’ve worked on multi-device mobile apps where flaky Bluetooth was the main blocker, so I know how to harden discovery, manage state, and prevent reconnection loops. The best way to start is auditing the current BLE flow, then delivering a stabilized connection layer and certifying it against your new peripherals before handing over beta builds.
$600 CAD 7 gün içinde
4,7
4,7

Hi Pascal G., Good morning! I am professional mobile coder with skills including Android, Documentation, Mobile Development, iPhone, Bluetooth, Mobile App Development, Arduino and iOS Development. Please send a message to discuss more regarding this project. If you have any questions, please let us know
$250 CAD 6 gün içinde
4,4
4,4

Hi there, I’ve read your Cross-Platform Bluetooth Connectivity Upgrade and I’m confident I can deliver rock-solid, parity-focused improvements for iOS and Android, with a clean abstraction layer. I have extensive BLE integration experience across mobile platforms, including CoreBluetooth and the latest Android BLE stacks, and I’ve implemented cross-platform connection managers that handle discovery, bonding, and graceful reconnection under weak signals. I’ll refactor the code to keep platform-specific logic isolated while exposing a unified API, so future maintenance is straightforward. Plan: - Create a cross-platform BLE service with per-platform adapters and a small, shared interface. - Optimize discovery with quicker scan windows and filtered service/characteristic checks; harden bonding with resilient retries and backoff. - Implement a robust reconnection strategy and a non-blocking multi-device manager to prevent contention. - Adapt Android tablet layouts with responsive, orientation-aware views to preserve usability across large screens. Deliverables: • Updated iOS and Android projects with improved connectivity and multi-device support • Tablet-responsive Android UI refinements • Test report with every peripheral tested and reconnection scenarios • Brief technical note detailing changes, new classes, and future security TODOs Timeline: architecture and adapters (5–7 days), core logic and multi-device testing (7–10 days), QA doc and beta prep (5–7 days). Hardware I c
$650 CAD 15 gün içinde
4,2
4,2

Hello there, Could you confirm the priority BLE devices and minimum OS versions for testing to finalize the timeline for TestFlight and Google Play Internal Testing? I will upgrade your Bluetooth app on iOS and Android to ensure stable, fast connections and expanded device compatibility. I will optimize discovery, bonding, and reconnection logic, handle multi-device scenarios, and refine Android tablet layouts. A clean abstraction layer will separate platform-specific code for easier future maintenance. I will test with your provided peripherals and additional devices, delivering a beta build, optimized layouts, and a concise technical report with test results and implementation notes. Any security gaps discovered will be documented for future improvements. Best regards, Aliza K.
$500 CAD 14 gün içinde
4,2
4,2

Hello, I’m Rahul Singh from Team Velora, a cross-platform mobile team delivering stable production apps for the past 3 years. We can strengthen your Bluetooth connectivity, expand peripheral support, and ensure iOS and Android remain fully aligned with clean abstractions and tablet-ready Android layouts. Let’s connect in private chat so I can share relevant Bluetooth project samples and a clear upgrade approach.
$450 CAD 14 gün içinde
4,0
4,0

Hello Pascal G., How are you! I am an expert mobile coder with skills including Mobile App Development, iPhone, Android, Arduino, iOS Development, Documentation, Bluetooth, Mobile Development. Please send a message to discuss more regarding this project. A fast response is appreciated, Dragan M.
$500 CAD 10 gün içinde
3,7
3,7

✨ Let's make your Bluetooth application upgrade seamless and stress-free Hello pgagne, I see you need to enhance your Bluetooth application's connectivity for more stable bonding and broader hardware compatibility. I understand the importance of having a reliable connection without compromising on features between iOS and Android platforms. I've had 5 years of hands-on experience in Bluetooth application development and have successfully delivered similar projects with 5-star ratings. I'll ensure your app has rock-solid connectivity, supports a wider range of hardware, and maintains equal features on both iOS and Android, focusing on tablet UI optimization for Android devices. Available to start immediately, I provide 30 days of post-launch support and aim to have a beta version ready for TestFlight and Google Play Internal Testing within [specified timeframe]. I'd love to discuss your vision. When works best for a quick 10-minute call? Looking forward to collaborating, Piyush Gupta Bluetooth Application Developer | 5+ Years
$450 CAD 15 gün içinde
3,7
3,7

Dear Client, With your project's focus on improving the stability and compatibility of your cross-platform Bluetooth application, my team at WellSpring Infotech shines bright. Our decade-long commitment to mobile development through all major platforms means we're no strangers to the intricacies of CoreBluetooth on iOS and the latest Android BLE stack. We understand the importance not just of making the app work with more hardware but also of maintaining feature parity between iOS and Android. Well, our skill set helps us tackle this challenge perfectly as we are well-versed in both Swift, RxSwift, Objective-C, Kotlin and Java. One of the high-priority areas you've mentioned is refactoring views and pairing flows for tablet UI optimization on Android. Our expertise in tailoring applications for diverse needs allows us to confidently assure improvements without diminishing overall performance. I understand changes within a codebase as a dynamic process with future integrity always being maintained in track. With a realistic timeline and comprehensive approach towards documentation, we promise to deliver an updated application that demonstrates improved connection stability—ideally without compromising its original functionality. Let's bring your Bluetooth app up to full power together!!! Thank you!!!
$750 CAD 7 gün içinde
3,9
3,9

Dear Hiring Manager, I’d be happy to upgrade your Bluetooth application with a strong focus on connection stability, multi-device support, and equal feature parity on iOS and Android. I have hands-on experience working with CoreBluetooth and the latest Android BLE stack, optimizing discovery speed, bonding reliability, and reconnection handling after signal loss. My approach starts with reviewing the existing BLE flow on both platforms—scan, connect, retry logic, lifecycle handling—and refactoring it into a clean abstraction layer that keeps platform-specific code isolated while sharing common logic. This ensures better performance now and simpler maintenance later. I’ll also validate multi-device handling to ensure it scales without degradation. On Android, I’ll optimize UI and pairing flows specifically for tablet layouts and orientation changes. On iOS, I’ll fine-tune CoreBluetooth callbacks, state handling, and background behavior where applicable. I can immediately test with common BLE peripherals and will certify against your provided device list, documenting all steps so QA can easily reproduce results. Any security gaps discovered will be clearly flagged for a future milestone. I’m ready to dive in and deliver a stable, production-ready BLE upgrade.
$250 CAD 7 gün içinde
3,6
3,6

Hi, I can upgrade your existing iOS + Android Bluetooth app with a clear focus on rock-solid connectivity and expanded device support, treating both platforms as first-class citizens. I’m a Senior Mobile Engineer with 11.5+ years of experience, including deep hands-on work with CoreBluetooth (iOS) and the latest Android BLE stack, multi-device handling, and reconnection logic. My approach Audit current BLE flow on both platforms Optimize discovery, bonding, retry & reconnection Improve signal-loss recovery without UI freezes Certify and integrate new peripherals you provide Introduce a clean abstraction layer to isolate platform-specific BLE code Refactor Android UI where needed for tablet layouts & orientation changes Deliverables Updated iOS & Android projects with stable BLE & multi-device support Optimized Android tablet pairing & connection UI Test report covering new peripherals + reconnection scenarios Short technical note (architecture changes, new classes, future TODOs) Hardware I can test immediately Android tablets & phones (multiple API levels) iPhone (latest iOS) Common BLE peripherals (sensors, controllers, tags) If you want a developer who understands BLE edge cases and long-term maintainability, I’m ready to start. Aman Gupta Senior Mobile Engineer BLE • CoreBluetooth • Android BLE • Tablet Apps
$500 CAD 27 gün içinde
3,6
3,6

Hi, I hope you are doing well. I've read your proposal very carefully and I am confident about your project requirements. I understand that you need an upgraded Bluetooth application with a focus on robust connectivity and expanded hardware compatibility across both iOS and Android platforms. I have hands-on experience in developing and optimizing Bluetooth applications, ensuring seamless user experiences on tablets and smartphones. My approach would involve: - Enhancing connection stability and optimizing the bonding process for faster device discovery. - Implementing a clean abstraction layer to manage platform-specific code efficiently, ensuring equal feature performance on both iOS and Android. - Conducting thorough testing with the supplied peripherals, documenting all steps and results to facilitate QA processes and identify any potential security gaps. I can start immediately and deliver a beta build for TestFlight and Google Play Internal Testing within a concise timeline. Looking forward to your reply.
$250 CAD 7 gün içinde
3,1
3,1

Val-d\\\'Or, Canada
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