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I want a cross-platform mobile app built with Flutter that lets me send fresh gold-trading signals to my users every day. The app must run on both iOS and Android, gate all premium content behind a subscription, and keep the sign-in flow quick and frictionless. Authentication • Primary method: phone-number login with OTP verification • Optional method: Facebook sign-in for users who prefer a social login Monetisation & Plans All premium signals sit behind in-app subscriptions. I need three plan options available through Apple In-App Purchase and Google Play Billing: Monthly, Quarterly and Yearly. The user should be able to upgrade, downgrade or cancel directly inside the app, and the paywall screen has to update automatically when a subscription status changes. Core Functionality • Clean, responsive Flutter UI that highlights the most recent gold signal the moment users open the app • Secure back-end connection (Firebase or a comparable real-time database is fine) so I can push out a new signal and have it appear instantly • Push notifications each time a fresh signal is published, respecting the user’s device settings • Basic analytics hooks (Firebase Analytics or similar) so I can track active users and churn Deliverables 1. Full Flutter source code, clearly commented 2. Build-ready projects for both Xcode and Android Studio 3. Configuration guide that shows me how to add my Facebook App ID, Firebase keys and in-app purchase product IDs 4. Brief video or PDF walkthrough demonstrating the subscription flow and signal publishing workflow Acceptance Criteria • Phone OTP and Facebook login both work on real devices • In-app purchases pass Apple/Google review using sandbox testers • A new gold signal pushed from the back end arrives on a user’s device within seconds and unlocks only for active subscribers • Code compiles cleanly with the latest stable Flutter channel If any piece of the flow requires third-party services or additional setup fees, flag that early so I can provision the right accounts.
Projekt-ID: 40107413
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Aktiv vor 13 Tagen
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31 Freelancer bieten im Durchschnitt $476 USD für diesen Auftrag

Hello, How are you? I will build a production-ready Flutter app for iOS and Android that delivers real-time gold trading signals with a fast, frictionless user experience. The app will support phone-number OTP authentication with optional Facebook login, backed by a secure Firebase-based infrastructure. All premium signals will be gated behind Apple and Google in-app subscriptions (Monthly, Quarterly, Yearly) with live paywall updates and full upgrade/downgrade control. Push notifications, real-time signal publishing, and analytics tracking will be implemented to ensure instant delivery and clear visibility into user engagement. Let’s chat… Thanks
$580 USD in 12 Tagen
9,8
9,8

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 now earned 'Expertise' level in AI, ChatGpt and a couple of other AI platforms for App development and other Chatbot work! *** We have developed around 400+ Android and iOS apps using Native and Flutter SDK in the past 14 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
$500 USD in 15 Tagen
9,7
9,7

Hello , Nice to meet you! I will design and develop mobile application with web admin panel according to your requirement , ping me on chat so we can discuss this more. I am expert and 9 years experienced Android /iPhone app developer with backend work that you are looking for. I will provide you perfect product as you want so you would be happy with it. I am always ready to discuss about your project in detail as well as start from right now. The following are my services that i provide :- 1. Daily or Weekly update. 2. Clean and Robust code. 3. Responsible for communication for more than 15 to 20 hours each day. 4. Free Bug-Fix support for 1 year after completion. 5. Source code delivery. You can have a look at my profile by this link : https://www.freelancer.com/u/shyamvijaywargiy Let's contact me to discuss further details with me. Thanks Shyam
$250 USD in 25 Tagen
9,0
9,0

Dear Hiring Manager, I have delivered Flutter apps with OTP auth, in-app subscriptions, and real-time content delivery, and I can implement a secure, scalable stack that meets Apple and Google compliance from day one. I will share my portfolio on your first message. Implementation Approach: • Flutter with Riverpod, Firebase Auth (OTP + Facebook), and Firestore for real-time signal delivery • Apple IAP and Google Play Billing with server-side receipt validation and live paywall sync • Firebase Cloud Functions and FCM for instant signal publishing and push notifications • Analytics, crash reporting, and CI builds for both platforms Queries: • Do you already have Apple and Google developer accounts set up? • Will signals be text only, or include charts/images? • Do you require any admin web panel for publishing signals? I will be waiting for your response. Kindest Regards,
$850 USD in 20 Tagen
6,9
6,9

Hi there, I am excited about the opportunity to develop your Flutter Gold Signals subscription app! With extensive experience in building cross-platform mobile applications, I understand the importance of seamless user experience and robust back-end functionality. I will ensure quick and frictionless authentication using phone OTP and optional Facebook sign-in while implementing secure subscriptions that allow users to manage their plans effortlessly. The clean, responsive UI will highlight fresh gold signals as they become available, and I will use Firebase for real-time updates and analytics tracking. I'll also make sure to deliver well-commented source code and detailed configuration documentation for your launch. Let’s discuss how we can implement this swiftly. I’m committed to delivering quality work.
$350 USD in 8 Tagen
6,5
6,5

Hi I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart and for web and backend on react js and node js, Python Django, Power BI, Scikit-learn, Data Science AI ML, PyTorch, TensorFlow, SparkML , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$500 USD in 7 Tagen
6,5
6,5

Hello, I bring proven experience in similar projects and can share real examples. By hiring me, you get: ->>100% DELIVERY OF WORK ->>HIGH-QUALITY, BUG-FREE CODE ->>DAILY PROGRESS UPDATES WITH NO COMMUNICATION DELAYS ->>2 YEAR POST-DEVELOPMENT SUPPORT TO ENSURE YOUR APP RUNS SMOOTHLY, FREE OF COST I’ve read your requirements carefully and can deliver this Flutter subscription app end to end. With 9+ years of experience in mobile development, my approach is to keep the app fast and focused: frictionless phone OTP and optional Facebook login, a clean Flutter UI that surfaces the latest gold signal instantly, and a secure real-time backend (Firebase) so new signals push to users within seconds. I’ll implement Apple IAP and Google Play Billing with proper subscription state handling (upgrade/downgrade/cancel), wire push notifications and analytics, and deliver build-ready projects plus a clear setup guide so you can manage signals and plans confidently. Key Features & Functional Modules: OTP & social auth, subscription paywall (monthly/quarterly/yearly), real-time signal publishing, push notifications, analytics, admin signal management. User Roles: Admin (publish signals & manage plans) | Subscriber (view signals & manage subscription). Please feel free to connect via chat, Jitendra
$500 USD in 7 Tagen
5,6
5,6

Nice to talk you , After reading in detail the requirements of your project and concluding that they match my areas of knowledge and skills, I would like to introduce myself. My name is Anthony Muñoz and I am the lead engineer for DS Pro IT agency. I have worked for over 10 years in Backend and software development and have successfully done multiple jobs. It will be a pleasure to work together to make your project a reality. Please feel free to contact me. I´m looking forward to working with you. I really appreciate your time and remain attentive to any request or question. Greetings
$866 USD in 7 Tagen
4,6
4,6

I can develop your gold-trading signals app as a high-quality Flutter application that runs smoothly on both iOS and Android, with a strong focus on speed, security, and subscription compliance. I’ll implement phone number login with OTP using Firebase Authentication, along with optional Facebook sign-in for users who prefer social login. All premium signals will be gated behind Apple In-App Purchase and Google Play Billing, offering Monthly, Quarterly, and Yearly plans. Users will be able to upgrade, downgrade, or cancel directly inside the app, and the paywall will update instantly based on real-time subscription status. The app will feature a clean, responsive UI that highlights the latest gold signal immediately on launch. A secure Firebase real-time backend will allow you to publish new signals that appear on user devices within seconds. Push notifications will alert users when a new signal is released, and Firebase Analytics will help track active users, retention, and churn. You’ll receive well-commented Flutter source code, build-ready projects for Xcode and Android Studio, a clear configuration guide, and a short video or PDF walkthrough covering subscriptions and signal publishing. Any required third-party services or setup costs will be highlighted upfront. I’ve delivered multiple Flutter apps with live subscriptions and Firebase integration, and I can ensure smooth App Store and Play Store approvals.
$600 USD in 7 Tagen
4,1
4,1

Hi, I can build a cross-platform Flutter app for daily gold-trading signals that runs smoothly on both iOS and Android, with a fast sign-in flow and all premium content securely gated behind subscriptions. I’ll implement phone-number OTP authentication as the primary login, with optional Facebook sign-in, and connect the app to a secure real-time backend (Firebase) so new signals appear instantly. Subscriptions will be handled via Apple In-App Purchase and Google Play Billing, with Monthly, Quarterly, and Yearly plans. Users will be able to upgrade, downgrade, or cancel directly in the app, and the paywall will automatically reflect subscription status changes. Push notifications will trigger whenever a new signal is published, and basic analytics will be wired in to track active users and churn. You’ll receive the full, well-commented Flutter source code, build-ready projects for Xcode and Android Studio, a clear configuration guide (Firebase, Facebook App ID, IAP product IDs), and a short walkthrough demonstrating signal publishing and the subscription flow. I’ll also flag any required third-party services or setup costs upfront. Best regards, Shakila Naz ChatGPT can make
$250 USD in 7 Tagen
4,7
4,7

In reviewing your project, I was captivated by the idea of creating an app that provides timely gold-trading signals to users. As a seasoned Flutter developer, I have built numerous cross-platform mobile applications with rich features across various domains. The implementation of Firebase and real-time data handling has been central to my workflow, thus I can assure you a clean and responsive UI that will display the most recent gold signal upon opening the app - thanks to the secure back-end connection. Another vital aspect of the project is authentication and monetisation. I understood your requirement for a quick and frictionless sign-in experience, choosing phone-number login with OTP verification as the primary method and providing Facebook sign-in for users who prefer social login. Monetising through in-app subscriptions was also important to you: monthly, quarterly, and yearly options via Apple In-App Purchase and Google Play Billing, along with user control on upgrading, downgrading or cancelling their subscription was requested. An added value in my offer is my skills with basic analytics hooks including Firebase Analytics or similar. These would enable you to do more than just track active users and churn as stated in your description, but also help you evaluate how your signals are performing as well as offering avenues for cost reduction based on usage analytics
$500 USD in 7 Tagen
3,8
3,8

Hi, nice to meet you. I’m a Flutter developer with experience in Firebase, in-app subscriptions, and push notifications. I can build your cross-platform gold signal app with OTP/Facebook login, real-time updates, and subscription management. Ready to start anytime.
$400 USD in 7 Tagen
3,0
3,0

I Never USE AI FOR BIDDING. Hello! I specialize in creating high-performance Flutter apps and can deliver your gold-trading signal platform with seamless real-time updates, premium content gating, and smooth subscription flows across iOS and Android. I’ll ensure secure OTP/Facebook login, instant push notifications, in-app purchases, and clear documentation for easy setup. I’ll flag any external service requirements upfront. Let’s build your vision efficiently—ready to start your project with precision and care!
$400 USD in 2 Tagen
2,2
2,2

I have recently completed a project like this, which gives me confidence in delivering strong results for you. I love your idea of sending fresh gold-trading signals daily and I see this project as an ideal match for my expertise. Your need for a clean Flutter UI, phone-number OTP login, Facebook sign-in, in-app subscriptions with Apple and Google Billing integration, real-time updates, and push notifications shows a thorough understanding of user engagement and monetisation. While I am new to freelancer, I have tons of experience and have done other projects off site. I’m excited to contribute at a discount to build my reputation. When will our journey begin? Luke H.
$250 USD in 7 Tagen
1,9
1,9

I understand your need for a Flutter Gold Signals Subscription App to provide daily gold-trading signals. With my expertise in mobile app development, including Flutter, I assure you a reliable cross-platform app with features like phone-number OTP & Facebook login, in-app purchases, real-time signal updates, analytics integration, and clear deliverables. My key skills ensure precise configuration, secure database connectivity, and swift implementation, aligning perfectly with your project requirements. Together, we can create a high-quality product with full dedication, meeting your objectives seamlessly. I look forward to the opportunity to collaborate and deliver exceptional results. Regards, Jason McLachlan
$525 USD in 3 Tagen
1,4
1,4

I already see a clean way to execute this. I specialize in Flutter app development with real-time data, push notifications, and subscription/paywall flows. Your requirements around delivering fresh gold-trading signals, managing subscribers, and handling payments align perfectly with my skills. I’m confident I can build a stable, secure app that keeps your users engaged and informed in real time. You want a clean and professional cross-platform app where users can register, subscribe, and instantly receive gold-trading signals with clear entries, stop loss, and targets. The experience should feel simple for traders, with organized signal history, clear status (open/closed), and reliable notifications so they never miss an opportunity. I’d focus on a clean Flutter architecture with Firebase or a similar backend for real-time updates, secure authentication, and push notifications. For payments, I’d integrate in-app subscriptions (Google Play / App Store) or a payment gateway, and set up an admin panel or simple dashboard so you can create, schedule, and manage signals without needing a developer each time. Quick question before I suggest an approach: How do you plan to structure your monetization model—pure subscription only, or a mix of free signals plus premium paid signals unlocked via subscription? Lets chat more about your project, worst case you walk away with a free strategy session Regards
$500 USD in 7 Tagen
0,4
0,4

Hello, I’ve carefully reviewed your project requirements and clearly understand the tasks involved. I have 13 years of experience and strong expertise in the exact skills this project requires. I have successfully delivered similar projects before and can share relevant samples if needed. I will complete this within your expected timeline while maintaining quality and clear communication. I look forward to working with you and contributing sincerely to your project’s success.
$500 USD in 7 Tagen
0,0
0,0

Hi, I’m Tommy ? I can build your Flutter gold signals app for both Android and iOS with a clean UI, fast phone OTP login, and secure subscriptions. The app will show the latest signal instantly, send push notifications for new updates, and unlock premium content only for active subscribers. I’ll use Firebase (or similar) for real-time delivery and make sure in-app purchases work smoothly on both Play Store and App Store. You’ll get clean, well-commented code, build-ready projects, and clear setup guidance. I focus on reliability, simple UX, and smooth app store approval. GIVE ME A CHANCE & I WILL MAKE U MESMERIZE Thanks, Tommy
$250 USD in 5 Tagen
0,0
0,0

Hello! I can build your Flutter-based gold trading signals app as a clean, fast, and subscription-ready product for both iOS and Android, focused on frictionless login, instant signal delivery, and compliant in-app purchases. Approach & Stack (aligned with your brief): • Frontend: Flutter (latest stable channel), responsive UI • Auth: Phone OTP (primary) + Facebook login (optional) • Backend: Firebase (Auth, Firestore/Realtime DB, Cloud Functions) or equivalent • Subscriptions: Apple IAP + Google Play Billing (Monthly / Quarterly / Yearly) • Push: Firebase Cloud Messaging • Analytics: Firebase Analytics Core delivery: • Home screen highlights the latest gold signal immediately on app open • All premium signals gated behind active subscription status • Paywall updates automatically on upgrade/downgrade/cancel • Real-time backend sync so new signals appear within seconds • Push notifications sent on every new signal (respecting device settings) Deliverables: Full, well-commented Flutter source code Build-ready iOS (Xcode) and Android (Android Studio) projects Clear config guide (Firebase keys, Facebook App ID, IAP product IDs) Short video/PDF walkthrough of subscription flow and signal publishing Best regards, Jasmin
$500 USD in 7 Tagen
0,2
0,2

Hello, I can build a cross-platform Flutter mobile app for iOS and Android to deliver daily gold trading signals. The app will support phone number login with OTP and optional Facebook sign-in, with a fast and secure authentication flow. All premium signals will be gated behind in-app subscriptions (Monthly, Quarterly, Yearly) using Apple In-App Purchase and Google Play Billing. Users can upgrade, downgrade, or cancel directly from the app, and the paywall will update automatically. The app will feature a clean UI, real-time signal delivery via Firebase, push notifications for new signals, and basic analytics tracking. Full Flutter source code, build-ready projects, setup documentation, and a short walkthrough will be provided. Budget and timeline can be discussed in chat.
$500 USD in 7 Tagen
0,0
0,0

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