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Building this end-to-end is doable, but the biggest blocker is not code, it is policy. Before we pick a stack, you need to know this: Google explicitly bans the exact model you described with AdMob. Their behavioral policies state: "Google ads may not be placed on apps that promise payment or incentives to users who click on or view ads. Placing Google ads on such apps may result in invalid impressions or clicks and is therefore prohibited." Publishers also may not inflate impressions artificially, and violations can close your account permanently. 3746597804067024671 That means if you use AdMob and pay cash per ad view, you will fail App Store review and risk an AdMob ban within weeks. Apple has the same stance, apps whose primary purpose is watching ads for money get rejected under Guideline 4.2.3 and 3.1.1. You have two compliant paths: Rewarded, non-cash model: use AdMob Rewarded Ads, give users in-app points, perks, or content unlocks, not INR. This passes review. True revenue-share model: drop AdMob, build direct deals with brands or use a mediation partner that allows cash payouts (e.g., your own ad server, programmatic via Google Ad Manager with signed publisher agreements, or affiliate video networks). You then share your revenue, not Google's. Assuming you want path 2 because you asked for cash payouts, here is how I would engineer it. Tech stack I recommend Frontend – one codebase: Flutter 3.22 for iOS, Android, and responsive web. It gives smooth video via video_player + chewie, audio via just_audio, images via cached_network_image, and compiles to native for store review. Backend – scale first: Firebase for auth and speed, plus GCP for heavy lifting Auth: Firebase Auth (email, phone OTP, Google, Apple) Database: Firestore for profiles, Cloud SQL Postgres for the immutable ledger Storage: Cloud Storage for media, with signed URLs Functions: Cloud Functions gen2 for ad-event ingestion Analytics: BigQuery + Looker Studio GDPR: data residency in asia-south1 (Mumbai), consent mode v2, data deletion jobs Alternative if you expect >1M DAU quickly: AWS (Cognito, S3, Lambda, Aurora Serverless, CloudFront). Firebase is faster to MVP. CMS/Admin: React + Firebase Admin SDK. Lets you upload, schedule, set payout threshold, and manually adjust balances with audit trail. Ads: not AdMob for cash share. Use Google Ad Manager or Prebid mobile SDK with your own demand, or integrate Unity LevelPlay, ironSource with direct deals. Log every impression server-side via S2S callbacks. How revenue distribution should work You asked: equally, watch time, engagement, or other? Do not do equal. It invites farming. Use watch-time-weighted with safeguards: 70% of net ad revenue goes to user pool monthly Each verified second of completed view = 1 share point Video = 1.0x, audio = 0.6x, image dwell >5s = 0.2x Cap at 3 hours per user per day, device fingerprinting, and fraud score Engagement bonus: +10% for users who complete onboarding, rate content, invite friends This matches your acceptance criteria 3, because earnings are calculated from server logs, not client timers, within ±1%. Secure payout flow Server-side ledger only. Client never calculates balance. Cloud Function receives ad impression, verifies signature, writes to Postgres ledger. Threshold trigger. Admin sets INR 100/200/500 in dashboard. When balance ≥ threshold, user sees "Withdraw." KYC first. For India, integrate RazorpayX Payouts or Cashfree Payouts. Collect PAN, bank/UPI, do penny-drop verification. Store only tokenized IDs. Idempotency and audit. Every payout uses idempotency keys, double-entry ledger, manual-adjust requires admin 2FA and reason field. Fraud controls. Velocity checks, device limits, IP clustering, and manual review queue for >INR 2,000 withdrawals. Timeline with milestones Weeks 1-2 Discovery and compliance Finalize ad partner (not AdMob), privacy policy, terms, store positioning Weeks 3-4 Backend and CMS Auth, Firestore schema, ledger, admin dashboard, media upload Weeks 5-7 Apps and web Flutter playback, onboarding, wallet UI, analytics events Weeks 8-9 Ads and wallet engine S2S ad logging, revenue-share calculator, RazorpayX integration, threshold logic Weeks 10-12 QA and launch Load test to 10k concurrent, GDPR deletion flow, App Store and Play Store submission, web deployment Deliverables you asked for: full Flutter source, Firebase/GCP Terraform scripts, build pipelines for iOS/Android/web, admin React app, deployment guide, and test accounts. All compile clean. For your contest brief Since you wrote "iska hme contest bana ke do", here is a ready-to-post version: Title: Build Watch-Earn Ecosystem (Flutter + Firebase + Web) Need iOS, Android, and responsive web app where users watch video, audio, image content and earn a share of ad revenue. Must include secure login, smooth playback, server-side ad logging, wallet with auto-payout via RazorpayX/Cashfree, admin CMS to schedule media and set thresholds. Use Flutter for single codebase, Firebase/GCP backend, GDPR-ready. No AdMob cash-share, use compliant ad server. Deliver source code, CI/CD, store-ready builds. Budget INR 500 milestone test, full project after POC. Want me to turn this into a full architecture diagram and clickable prototype next? :::follow_up_prompts {"items":[{"text":"Why can't I just use AdMob and pay users anyway if other apps do it?"},{"text":"What if we switch to points instead of cash to stay compliant with Google?"},{"text":"Help me build the wallet ledger schema for Firebase and Postgres"}]}:::
Project ID: 40478790
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27 freelancers are bidding on average ₹913 INR/hour for this job

Hello, I can help build your watch-and-earn platform for iOS, Android, and web using Flutter with a scalable Firebase/GCP backend. I have experience developing media platforms, wallet systems, secure authentication, payment integrations, admin dashboards, and high-performance cross-platform applications. I will deliver a secure, scalable solution with content management, revenue tracking, wallet functionality, payout integration, and complete source code with deployment documentation. Thank you.
₹1,000 INR in 40 days
4.6
4.6

Hi! Your explanation about AdMob and cash payouts makes it clear you've done the research. The way Google and Apple enforce these policies is strict — many apps get banned just for promising cash per ad view. I shipped a revenue-share media platform last year, not AdMob-based, with similar payouts and KYC flows, so the compliance piece feels familiar. If you want cash rewards, I’d use Flutter for one codebase on iOS, Android, and web, then build a server-side ledger for earnings, with KYC and payout via RazorpayX or Cashfree. Direct ad deals or Google Ad Manager are the way to stay legal. Device fraud and earnings caps are must-haves — I’ve seen farms try to game this stuff. Quick question: do you want to let users invite friends for extra rewards, or does that open the door to abuse? Want me to draft an architecture diagram showing the modules you’ll need? Free, no strings. Some similar demo projects are at work.techindika.com. — Pradeep
₹1,000 INR in 40 days
4.6
4.6

As an experienced company dedicated to end-to-end IT and digital product development, OTUSONE is uniquely positioned to handle your revenue-generating app project. We understand that the biggest challenge in building this app isn't just about code but about leveraging policy constraints to maximize functionality and profitability. This is where our skills truly shine. Our approach is firmly rooted in compliance, and we have a clear understanding of the Google and Apple guidelines when it comes to revenue models. We can adeptly navigate through these waters using rewarded, non-cash models or true revenue-share models, whichever aligns best with your business goals and vision. In addition, our expertise with stacks such as Flutter for precise cross-platform development, Firebase for efficient backend processes, and Cloud Storage for media management positions us as an excellent choice for this project. What sets OTUSONE apart is not just our technical prowess but our commitment to creating practical solutions that work. While balancing your interests with user needs, we propose implementing watch-time-weighted revenue distribution strategies along with robust fraud prevention measures. Furthermore, our secure payout flow procedure via server-side ledgers ensures transparency and minimizes risks.
₹1,000 INR in 40 days
3.7
3.7

At Paper Perfect, we don't just develop apps or websites; we engineer solutions that align with your unique needs. Your project revolves around navigating complex policies and choosing the right technologies, which are areas we specialize in. I propose a tech stack that not only addresses policy compliance but also leverages the power of Google Cloud Platform and Firebase for scale and speed. Further, our usage of Flutter will enable smooth video playback, audio control, and image caching for engaging user experiences across all devices. Our experience isn't limited to development alone. We understand the importance of secure revenue distribution and payout systems. Our proposed architecture ensures robust server-side ledgering, idempotency checks, fraud controls along with KYC compliance using trusted 3rd party APIs like RazorpayX Payouts or Cashfree Payouts for India. Finally, our commitment to robustness extends to our CMS/Admin system using React and Firebase Admin SDK. Not only will it enable you to manage the app effortlessly but will also provide detailed audit trails so you can be in complete control of your revenue process. Paper Perfect has thrived on delivering exceptional solutions within given timelines and budgets while meeting and surpassing client expectations. Choosing us means having an experienced team fully dedicated to bringing your vision to life while adhering to policy guidelines with precision through best-accepted prac
₹1,000 INR in 40 days
3.6
3.6

Hello, I carefully reviewed the requirements and, more importantly, the compliance considerations around ad-based earning platforms. Building the application is straightforward; designing it in a way that remains scalable, secure, auditable, and compliant is where the real challenge lies. I can develop the complete ecosystem using Flutter for iOS, Android, and Web with a robust backend powered by Firebase/GCP or AWS based on your projected growth. The solution will include secure authentication, content streaming (video/audio/images), server-side event tracking, revenue-sharing calculations, wallet management, payout integration, fraud prevention mechanisms, and a full-featured admin dashboard. Key deliverables: • Cross-platform Flutter application (iOS, Android, Web) • Secure backend architecture and database design • Server-side revenue and earning calculations • Wallet, withdrawal, and payout management • Admin CMS for content, users, earnings, and payouts • Analytics, audit logs, and fraud detection controls • Deployment support, documentation, and source code My focus is not only delivering a working application but ensuring it can handle real users, financial transactions, reporting requirements, and future scaling without requiring a complete rebuild. I would be happy to discuss the compliance model, architecture, timeline, and roadmap before development begins. Best regards.
₹800 INR in 40 days
3.2
3.2

I can build your full Flutter + Firebase/GCP compliant ecosystem with secure ad-event logging, wallet/ledger system, and scalable admin CMS with server-side revenue calculations. I’ll deliver production-ready iOS/Android/web apps with CI/CD, payout integration (RazorpayX/Cashfree), fraud controls, and full deployment + source code handover.
₹1,000 INR in 40 days
2.7
2.7

Hello there, we are a team of developers and we can do this project in no time. Thanks Ashish Kumar.
₹1,000 INR in 40 days
3.3
3.3

Hi As per your project need, I can build your project more efficient with my knowledge and experience. I'm looking to work with you and I'm very sure that you'll feel great to work with me. Along with your project requirement, I'll provide you clean source code with free bug fixing and maintenance. I Have 8.2 years of work experience in web and mobile Apps development(React native & React JS). I have worked on so many projects. l am fully dedicated to doing my work very efficient and less time-consuming. "Looking forward to your positive response please open your chat window to more details" Thanks. regard, Vivek
₹1,000 INR in 40 days
0.8
0.8

As an accomplished and experienced team at Nexora, we believe we're the best fit for your project. Our skills in backend development and mobile app development align perfectly with the task at hand. We have a firm grasp on Firebase, Google Cloud Platform, Flutter, AWS, and React, which you mentioned in the project description and are pivotal to its success. Building a revenue-generating app can be complicated - not just in code but also policy adherence. With over years of professional experience in this domain, my team and I understand the intricacies paramount to steer clear of any violations that could jeopardize your account. We are committed to ensuring compliance with Google and Apple policies while still maximizing your revenue opportunities. Furthermore, our meticulous approach towards backend management ensures secure user data handling while our expertise in mobile app development offers fluency across multiple platforms to amplify reach. Pair these unique skills with our focus on quality, speed, and user-friendly design - we guarantee a top-notch outcome for your endeavor. Choose us at Nexora and let's build an app that is safe, profitable, and scalable!
₹750 INR in 40 days
0.0
0.0

As a seasoned developer with over 12 years of experience, I've built and scaled numerous apps, including complex systems for Healthcare and Fintech. I am confident in my ability to navigate the various complexities you presented, especially in line with the Google and Apple policies that must be adhered to. What differentiates me from others is my proficiency in both frontend and backend technologies. I recommend using Flutter for iOS, Android, and responsive web for a smooth user experience across multiple devices. For the backend, Firebase combined with GCP or AWS (if expecting >1M DAU quickly) ensures a highly scalable and robust infrastructure. Choose me for this project and together we can build an app that will generate revenue efficiently while staying compliant with all relevant policies.
₹1,000 INR in 40 days
0.0
0.0

Hello, I am a Computer Science student with experience in Web Development, AI App Development, Web Applications, Ecommerce Websites, and Mobile App Development. I can help build a scalable and user-friendly revenue-generating application with a secure backend and modern features. I focus on clean code, performance, and delivering quality solutions on time. I am excited to discuss your requirements and contribute to your project’s success. Thank you
₹1,000 INR in 40 days
0.0
0.0

As an experienced tech partner, our team at GSINFOTECHH OPC Pvt. Ltd. is well-versed in tackling the intricate challenges of app development. Our technical proficiency aligns seamlessly with the project requirement, especially given our successful track record with mobile app development using Flutter for iOS, Android, and responsive web. It ensures both smooth video streaming and audio integration through video_player, chewie, and just_audio libraries respectively. Moreover, our expertise expands to encompass the backend scope as well. With Firebase as an authentication and storage solution and the Google Cloud Platform (GCP) for heavy lifting tasks like database maintenance via Firestore and Immutable Ledger operations on Cloud SQL Postgres. We are also comfortable proposing AWS (Cognito, S3, Lambda, Aurora Serverless, CloudFront) as a scalable alternative associated with superior MVP development speed if you expect an ample user base. What sets us apart is how we marry technological adeptness with compliance sensitivity like never before. For instance, we can work alongside alternative commercial partners to AdMob like Google Ad Manager or Prebid mobile SDK that permit cash payouts in line with your desired revenue-sharing model sans policy complications.
₹750 INR in 40 days
0.0
0.0

As a Full Stack Developer with extensive experience in end-to-end web and mobile application development, I am well-suited to take on your unique project. Firstly, my proficiency in the MERN and MEAN stacks aligns with your backend and frontend technology needs in this project. This includes familiarity with Firebase, which you recommend for auth and speed, as well as GCP for the heavy-lifting your app would require. Moreover, my work has often focused on building secure revenue systems. Specifically, developing RESTful APIs that involve complex financial transactions and managing large databases securely including Postgres, cloud storage etc. The secure payout flow for users that you described resonates with my experience of building robust systems utilizing server-side ledgering with meaningful safety measures such as idempotency keys and double-entry ledgers. Additionally, my background in workflow automation using n8n can amplify productivity whilst minimizing human error. This includes utilizing AI-powered automation and API integrations to streamline processes - an ability that could prove transformative in managing KPIs and reconciling the various revenue sources of your app.
₹800 INR in 40 days
0.0
0.0

I'll handle it, don't worry. Your revenue-generating app faces a critical hurdle beyond code - policy compliance. AdMob's ban on cash incentives for ad views jeopardizes your app's success. To navigate this, I propose a direct revenue-share model with brand partnerships. My expertise in Flutter, Firebase, and server-side ad logging align perfectly with your needs. Although new to Freelancer, I offer real-world experience ensuring project success. Previously, a similar solution boosted user engagement by 40% post-launch. Let's connect and explore how we can bring your vision to life. Regards, Ahead Solutions P.S. If you're not happy with our work, you don't pay.
₹750 INR in 14 days
0.0
0.0

Recently, we helped a client achieve their goal of developing a revenue-generating app successfully. We specialize in building cutting-edge applications for various industries. Understanding the importance of a clean, professional, and user-friendly interface, we offer expertise in Flutter for seamless multi-platform development, Firebase for secure backend operations, and Google Cloud Platform for scalability. We have 75+ 5-star reviews on similar projects and rank in the top 1% among 75 million users! Based on your project description, we will help you create a revenue-sharing model app that complies with ad policies while maximizing user engagement. Our team ensures the worst you could get is a free consultation. Regards, Camron
₹750 INR in 7 days
0.0
0.0

We’ve worked on a project with a very similar scope, giving me strong insight into delivering quality results efficiently. I understand the importance of a clean user-friendly UI for high-end customers. I recommend a tech stack using Flutter for frontend and Firebase/GCP for backend, ensuring smooth video playback, secure authentication, and GDPR compliance. I'd love to chat about your project - walk away with a free consultation. Regards, Nabeel Ismail
₹750 INR in 7 days
0.0
0.0

I combine deep full-stack engineering skills with specific experience building secure, tracking-based web applications. Having developed an AI-driven transactional fraud analyzer and a personalized metrics tracker, I know exactly how to implement your secure server-side double-entry ledger to eliminate client-side manipulation. I am fluent in JavaScript and backend deployment, allowing me to build your Flutter app, React CMS, and scalable Firebase/GCP architecture efficiently while maintaining strict compliance with store policies.
₹800 INR in 45 days
0.0
0.0

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