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We're looking for a skilled mobile app developer to complete and enhance our prototype Android app and develop an iOS version for our line of NeverFlame flameless cooking appliances. Key requirements: - Feature parity on Android and iOS. - Setup screens for device pairing and user tutorial. - Help screen with FAQs, support contact, troubleshooting guide, and operation video links. - Main control screen to start/stop cooking, set duration, and adjust temperature. Ideal skills and experience: - Proficient in Android and iOS development. - Experience with BLE GATT communication. - Strong UI/UX design skills for intuitive user interfaces. - Ability to provide a GitHub profile or a portfolio showcasing mobile and embedded application development. - Experience with "Flutter" or another common multi-platform development program to enable a simplistic updating system for future updates Please include your relevant portfolio and ensure you have a solid background in mobile app development. Looking forward to your bids!
Project ID: 40188963
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Active 2 mos ago
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254 freelancers are bidding on average $2,228 USD for this job

Hello, I’m Muhammad Awais. You want to finish and improve your Android prototype and build an iOS version for NeverFlame flameless cooking devices, with parity across platforms, device pairing setup, user tutorials, a help screen with FAQs and video links, and a main control screen to start/stop cooking, set duration, and adjust temperature. I will deliver a cross‑platform solution using Flutter to keep UI consistent and make future updates easy, while implementing BLE GATT communication with reliable pairing and control commands. The UI will be simple and intuitive, with clear onboarding and in‑app help, and I’ll set up a clean project structure with documentation and a GitHub‑ready repo. I can share my portfolio and GitHub profile with mobile and embedded work on request. I’ll work with you to define OS targets, performance goals, and branding guidelines, and provide timely progress updates. Do you have BLE GATT docs (services and characteristics) and pairing flow defined, or should I design from scratch? What are the target OS versions and minimum device requirements for Android and iOS? Do you have branding guidelines (logo, color palette, typography) to follow, or should I propose a UI concept? Should the app support multilingual and accessibility features (large text, screen reader) in scope? Is there an existing backend or update mechanism, and how would you like future updates delivered (in‑app updates vs App Store release)? Best regards,
$3,000 USD in 18 days
8.9
8.9

I have more then 10 years experience in android native and flutter ready to start your project right now please come in chat and share details. Regards Narendra K.
$1,500 USD in 30 days
8.6
8.6

Hi, this is Elias from Miami. I checked your description and I understand you already have a prototype Android app for NeverFlame, and you want it finished + improved, plus an iOS version with full feature parity. The core screens are pairing/setup + tutorial, a help/FAQ/support/troubleshooting area with video links, and the main control screen to start/stop cooking, set duration, and adjust temperature — all talking to the appliance over BLE GATT. This is the kind of project where the “last 20%” matters: reliable BLE connection flows, clean state handling (disconnect/reconnect), and a UI that feels simple even when the device logic is complex. I can build this in Flutter to keep one codebase and make future updates painless, while still keeping the BLE layer solid on both Android and iOS. Q1: What BLE characteristics are already defined (services/UUIDs/commands), and do you have a spec or sample payloads for temp/time/start/stop? Q2: For pairing, do you want “scan + select device” only, or also a PIN/handshake / claiming a device to a user account? Q3: Should the app support background reconnect + status updates while cooking, or only when the app is open? If you share the current Android repo + a short BLE protocol note, I can map the iOS plan quickly and make sure parity is exact. Regards, Elias
$2,250 USD in 7 days
7.9
7.9

Hello, I have reviewed your updated request for the NeverFlame cross-platform mobile app and can complete the existing Android prototype while delivering a feature-parity iOS version using a clean, maintainable multi-platform approach. I have 10+ years of experience in mobile application development, including BLE GATT communication, device pairing flows, and consumer hardware control apps. I have built apps that interface with embedded devices for real-time control, status monitoring, and guided user onboarding. Proposed approach: Use Flutter (or recommend the best alternative if needed) to ensure Android and iOS parity and simplify future updates. Implement device BLE pairing, connection management, and reliability handling. Build setup and tutorial screens for first-time users. Design a clear main control screen to start/stop cooking, set duration, and adjust temperature. Add a Help & Support section with FAQs, troubleshooting steps, support contact, and operation video links. Ensure intuitive UI/UX aligned with consumer appliance standards. I work with structured version control and can share a GitHub profile and relevant portfolio covering mobile and embedded integrations. Development will follow an Agile workflow with incremental builds and testing on real devices. I am confident I can deliver a stable, user-friendly app ready for production and future expansion. Looking forward to discussing next steps.
$1,500 USD in 7 days
8.3
8.3

Hello I can complete your Android prototype and deliver a full iOS version with feature parity for your NeverFlame flameless cooking appliances. I have over 8 plus years experience in mobile app development, including BLE GATT device control and cross platform delivery using Flutter for fast future updates. My approach is clean, modular, and production ready with well documented code and GitHub commits. Wordflow in the build will follow this structure 1 Requirement validation and UI polish for both platforms 2 BLE pairing flow with GATT service discovery and reliable reconnect logic 3 Setup screens including tutorial and onboarding 4 Help screen with FAQs support contact troubleshooting guide and video links 5 Main control screen with start stop timer and temperature adjustment 6 QA and real device testing on Android and iOS I will implement a robust BLE layer with background connection handling, safe state management, and user friendly error messages. The UI will be intuitive and consistent across both platforms with responsive layouts. I will also include a simple update mechanism via code push or versioned app releases. If you share the existing Android code and device GATT specs, I can start immediately and provide a demo build for both stores. Portfolio and GitHub profile will be shared upon request. Thanks
$1,500 USD in 7 days
8.4
8.4

Hello, I’ve read your requirement carefully and this is exactly the kind of product-focused work I specialise in. I can complete and refine your existing Android prototype, bring it to production quality, and deliver a fully feature-matched iOS version so both platforms behave identically for NeverFlame users. I have strong hands-on experience building Android and iOS applications that communicate with hardware over BLE using GATT, including device discovery, secure pairing, command exchange, state syncing, and error handling. I can implement a smooth setup flow covering device pairing and first-time user tutorials, followed by a clean main control screen where users can start and stop cooking, set duration, and precisely adjust temperature with real-time feedback. I’ll also design and build a comprehensive Help section with FAQs, troubleshooting steps, support contact options, and embedded or linked operation videos.
$2,500 USD in 40 days
8.0
8.0

I have the skills in Mobile App Development, iPhone, Android, Objective C, and UI/ User Interface that make me a great match for the Updated Request - Cross-Platform Mobile App Development for Cooking Device project. My experience with BLE GATT communication and Flutter will ensure feature parity on both Android and iOS platforms. My portfolio demonstrates my proficiency in creating intuitive user interfaces. The budget can be adjusted once we discuss the full project scope, and I am committed to delivering within your budget. Let's discuss the job details and get started right away. Please go through my profile its 15 years old see the work I did over the years. No Win No Fee means that your satisfaction is my utmost priority. Lets discuss the job details. Moreover, I am willing to start the job and perform tasks without even being hired; it is just to show my commitment to this project. Looking forward to hear from you.
$2,100 USD in 21 days
6.9
6.9

Hey there, I've reviewed your project requirements and you're building apps for NeverFlame flameless cooking appliances - finish the Android prototype and build the iOS version. Both apps need device pairing, tutorials, help screens, and main controls for cooking. I've been building Android and iOS apps for about 9 years now, and I've worked with BLE devices before so I know how to handle the Bluetooth pairing and communication. Here's what I'd deliver: Both Android and iOS apps working the same way. Setup screens for pairing your appliances and walking users through how it works. Help screen with FAQs, support contact, troubleshooting, and video links. Main control screen where users start and stop cooking, set timers, adjust temperature. Clean UI that's easy to understand and use. I'd build this in Flutter so you can update both apps easily in the future without doing everything twice. Timeline: About 6-8 weeks for both apps finished and tested. Deliverables: Working Android and iOS apps, source code on GitHub, clean handover so you can maintain it. I've built similar apps for connected devices before - happy to share my portfolio in chat. Talk soon, Kamran.
$3,000 USD in 25 days
7.4
7.4

Hi, I feel well-suited for your cross-platform mobile app project. Encompassing an excellent blend of technical aptitude and imaginative UI/UX skills, I can guarantee feature parity between the Android prototype and the iOS version of your NeverFlame app. My understanding of BLE GATT makes me a perfect fit for setting up device pairing screens and troubleshooting guides. Having worked with Flutter before, which is another common multi-platform development program as mentioned in your requirements. It would prove the perfect fit for your needs, enabling simple processes when updating the application in future. Beyond that, I'll complement the diagrammatical quality of your app with intuitive designs to ensure easy navigation and informational understanding. Lastly, my proficiency in utilizing multiple databases such as SQL and MongoDB should bring an appreciable boost to your app's performance and security. Also, my expertise in cloud deployment (AWS, Google Cloud, Azure) will be beneficial if there is room for that. Feel free to visit my portfolio or GitHub profile to get a glance at some of my previous works, they speak volume about my dedication and expertise which will benefit your project greatly. Look forward to discussing further on taking this venture to another level! Thank you!
$2,200 USD in 15 days
6.9
6.9

Hi, I can complete your Android prototype and deliver a fully matched iOS app using Flutter, ensuring true feature parity across both platforms from a single, maintainable codebase. I’ll implement the full BLE GATT flow (pairing, device discovery, secure connection), onboarding/tutorial screens, a help center with FAQs and video links, and a clean main control interface for start/stop, time, and temperature control. The UI will be intuitive and appliance-focused, with real-time BLE feedback and stable background handling during active cooking sessions. I’ll provide structured code, GitHub repo access, and documentation so future updates are simple. Timeline is realistic and fits your budget, with full testing on real devices before handoff.
$2,000 USD in 15 days
7.0
7.0

My name is Nikhil, and I'm a seasoned app developer with extensive experience in both Android and iOS platforms. This project seems to be a perfect fit for my skills and proficiencies. Over the years, not only have I mastered mobile app development but also BLE GATT communication which aligns well with your cross-platform cooking device requirement. With a keen eye for design, I ensure that every application I create boasts an intuitive user interface and impeccable user experience. This involves creating visually appealing screens for setup, helping, and control accompanied by engaging demo/tutorial videos. Operating your NeverFlame cooking appliances will be made easy using my UI/UX design skills. Most significantly, I am well-versed in "Flutter", which can simplify future updates for your app across different platforms. This will enable your app to adapt swiftly to evolving technological requirements ensuring convenience for your users and a hassle-free cooking experience. To reassure you of my capabilities, I'd be more than happy to provide you with my GitHub portfolio for reference. Ultimately, my aim is to marry technical expertise with creative problem-solving which will result in an outstanding final product for you. Let's connect and discuss further how we can bring your dream application to life! With Regards!
$3,000 USD in 32 days
6.2
6.2

Hi, I am confident that I am the ideal fit for your project. I understand the importance of feature parity when it comes to cross-platform apps, and assuring a cohesive user experience for your NeverFlame line is my top priority. My portfolio showcases not only my proficiency in mobile app development but also my versatility across different platforms, including 'Flutter', which can enable a simplistic updating system for future features. With this technology, we can make sure your app remains up-to-date with ease. Choosing Curveball means choosing a partner who is not only skilled in mobile app development but is also committed to delivering scalable, user-centric solutions on time and within budget. In addition to developing the app, I bring value by providing support for App Store and Play Store deployment, ensuring a smooth and successful launch. Lets Chat
$2,100 USD in 20 days
6.4
6.4

Hi there, ★★★ Mobile App Development / Android App Development Expert ★★★ 7+ Years of Experience ★★★ To complete this project, I will follow a structured approach to ensure both Android and iOS applications meet the client's requirements. 1. Review and analyze the existing prototype to identify enhancements (6 hours) 2. Develop the iOS version ensuring feature parity with Android (20 hours) 3. Implement BLE GATT communication for device pairing (10 hours) 4. Design and integrate UI/UX elements for all screens (15 hours) 5. Conduct thorough testing on both platforms (10 hours) 6. Prepare documentation including help screens and operation video links (5 hours) What I need from you: 1. Access to the existing Android prototype and any design assets 2. Detailed specifications for the desired features and enhancements 3. Any existing content for the help screens and tutorials I look forward to connecting at your convenience to ensure the project's success. Best Regards, TechPlus Team
$3,000 USD in 10 days
5.9
5.9

Hi, We’ve developed multiple IoT apps for both Android and iOS, including a product that connects with smart home devices via BLE. We understand the importance of a seamless user experience when pairing devices and have implemented features like auto-discovery and manual pairing in our apps. With our extensive experience in mobile app development since 2017, we can deliver a fully optimized solution that works across multiple Android and iOS versions. We also have dedicated UI/UX designers who can create intuitive interfaces based on user feedback. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best regards, Adil
$2,237.18 USD in 21 days
5.9
5.9

Hello. I can complete and harden your existing Android prototype while delivering a fully feature-parity iOS application using a shared cross-platform architecture. I propose using Flutter to ensure consistent UI/UX, faster iteration, and a simplified update path for future enhancements. The app will include structured onboarding flows for BLE device pairing, first-time user tutorials, and permissions handling. Core BLE GATT communication will be implemented with robust connection management, reconnection logic, and state synchronization. The main control screen will support precise start/stop commands, temperature adjustment, and duration control with real-time feedback. A modular help and support section will include FAQs, troubleshooting guides, contact options, and external video links. The codebase will follow clean architecture principles with clear separation between UI, business logic, and BLE services. All deliverables will be version-controlled via GitHub, with documentation to support maintenance and future development. Regards, Justin.
$2,250 USD in 7 days
6.1
6.1

Hi There!!! ⚜⭐⭐⭐⭐⚜(( Complete cross-platform mobile app for NeverFlame flameless cooking appliances ))⚜⭐⭐⭐⭐⚜ I am excited to help bring your Android prototype to production and build a matching iOS version with full feature parity. The project focuses on device pairing, intuitive tutorials, a help center with FAQs and videos, and a main control screen for cooking management. I have hands-on experience with Flutter for cross-platform apps, BLE GATT communication for embedded devices, and designing user-friendly interfaces that simplify complex device interactions. My approach ensures seamless updates, reliable connectivity, and smooth user experience across platforms. Key features: Device pairing and tutorial screens Help section with FAQs, support, and video guides Main control panel for cooking start/stop, duration, and temperature I would be happy to discuss how to efficiently finalize your app and ensure long-term maintainability. Warm Regards, Farhin B.
$1,515 USD in 15 days
6.5
6.5

Hi there, I’m excited about the opportunity to work on your cross-platform mobile app for the NeverFlame flameless cooking appliances. I specialize in mobile app development for both Android and iOS, and I have extensive experience with creating seamless, feature-rich applications that ensure parity across platforms. My previous projects include developing applications with BLE GATT communication, which aligns perfectly with your needs for device pairing and user tutorials. I prioritize strong UI/UX design, ensuring intuitive interfaces that enhance user engagement. With my knowledge of Flutter, I can facilitate a streamlined updating process for your app, making future enhancements easier. I am ready to start this project and can provide a detailed timeline for completion within 30 days, ensuring you have a comprehensive app to showcase soon. Thanks,
$3,000 USD in 30 days
5.7
5.7

Hello, Imagine experiencing a fully functional demo of your cooking app that showcases device pairing and user tutorials, all before any commitment. My extensive experience in cross-platform mobile app development, particularly with BLE communication and intuitive UI/UX design, positions me uniquely to enhance your Android prototype and create a robust iOS version that meets your specifications. Let's discuss how we can elevate your NeverFlame appliances with an exceptional user experience and I can provide a detailed plan and demo tailored to your needs. Regards, Smith
$2,250 USD in 7 days
5.9
5.9

With over [number of] years of hands-on experience in the software industry, specializing in Android and iOS development, I am confident that I possess the necessary expertise to deliver a stellar output on your cross-platform app project. Not only do I understand the importance of consistency and feature parity across different platforms, but I also have a flair for UI/UX design that empowers users with an intuitive interface. My proficiency extends beyond mobile app development; my deep understanding of BLE GATT communication and my long-standing exposure to embedded systems equip me with the advantage needed to seamlessly integrate your NeverFlame's cooking appliances with the app through Bluetooth.
$3,000 USD in 45 days
6.2
6.2

Hi I read your NeverFlame cooking app project. I will complete Android app and build iOS version using Flutter for both platforms with BLE device control. I will add setup screens for device pairing tutorial and help screen with FAQs support links troubleshooting and videos. Main screen will have start stop cooking duration timer and temperature control with clean UI. I will use flutter_ble library for GATT communication to connect appliances safely. All screens intuitive for users with smooth animations. Code shared on Git repo with future update system easy. Flutter gives single code for Android iOS fast testing and updates. I will test pairing temp control on real devices. Thanks & Regards Abhishek Questions: BLE service UUID? Android prototype repo? Tutorial video links?
$2,250 USD in 30 days
6.5
6.5

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