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Project Overview A modern, cross-platform mobile app built with Flutter for Android and iOS, focused on manhwa, manhua, and webtoons. Users read content offline after downloading chapters. Monetization via coins (for unlocking chapters) and subscriptions (tiered access), handled through fully custom payment integrations (bypassing Google Play Billing and Apple In-App Purchases entirely for full control and lower fees). Includes a powerful web-based admin panel for content management, user oversight, and transaction handling. Why Custom Payments? Complete control over the payment flow and revenue (no platform commissions) Flexible integration with preferred merchant payment solutions Supports external payment confirmation (e.g., via callbacks/webhooks) to credit coins or activate subscriptions instantly and securely Easier to handle refunds, promotions, manual adjustments, and future expansions Core Features – User Side (Flutter Mobile App) Authentication & Profiles Sign up/login via email/password, Google, Apple Guest mode for free chapters only Profile section showing favorites, reading history, downloaded content, coin balance, subscription status Content Discovery & Reading Home feed: trending, new releases, recommendations, genre browsing Search by title, author, tags Series detail page: synopsis, chapter list, status (ongoing/completed) Smooth vertical-scroll reader with options for theme, brightness, scroll direction Offline downloads — chapters or full series, with storage management and optional auto-cleanup Resume from last read position, page bookmarks Monetization – Custom Payment System Some chapters free (e.g., initial ones per series) Coin purchases Users buy coin packages through custom flow Locked chapters unlocked with coins (price set per chapter/series by admin) Bonus coins from daily login or optional rewarded actions Subscription tiers (recurring monthly/yearly options) Basic tier: unlimited access to selected titles + bonus coins Premium tier: broader/unlimited access, ad-free experience, priority features Custom payment flow (no native IAP): In-app: select package → generate payment request (e.g., QR code, invoice, link) User completes payment externally via preferred method Backend verifies transaction (via webhook/callback/API poll) → credits coins or activates subscription automatically Secure: tokenized data where needed, no sensitive info stored in app Fallback options for manual verification (e.g., reference code upload) if required Additional Features Favorites/library management Push notifications for new chapters (Firebase Cloud Messaging) Dark/light theme support Basic user comments/ratings (with moderation) Multi-language readiness (English primary, easy to add others) Admin Panel (Web-based – can reuse Flutter Web or use React/Node/Laravel/etc.) Overview dashboard: active users, revenue summary, popular content, transaction stats Content tools: upload/edit series & chapters, set free/coin/sub access rules, schedule releases User tools: search users, manage bans, manually add coins/subscriptions Payment oversight: view transaction logs, handle refunds/manuals, monitor webhook status Notification sender for broadcasts Basic reports and analytics Recommended Technical Stack Mobile: Flutter (state management: Riverpod or Bloc) Backend: Firebase suite (Auth, Firestore, Storage, Functions, FCM) or custom (Node.js/NestJS + database like PostgreSQL/MongoDB) Payments: Custom implementation with webhook endpoints for verification (integrate merchant APIs as chosen later) Offline handling: dio + flutter_downloader + local DB (Isar/Hive) for chapters/metadata Reader: custom vertical scrolling widget or extended_image/photo_view packages Admin panel: Flutter Web (shared code) or dedicated framework
ID do Projeto: 40171047
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242 freelancers estão ofertando em média $929 USD for esse trabalho

Hello, How are you? I can deliver a full Flutter-based mobile app (iOS + Android) with offline-first reading, coin/subscription monetization, and a robust admin panel exactly as outlined. I recommend Flutter + Firebase (Auth, Firestore, Storage, Functions, FCM) or NestJS + PostgreSQL for greater payment and analytics control, with webhook-driven custom payment verification. The reader, downloads, and resume flow will be optimized for performance using local DB caching (Isar/Hive) and background download management. Admin tooling will cover content, users, payments, notifications, and manual overrides, built as Flutter Web or a dedicated web stack. Let’s chat.. Thanks
$500 USD em 7 dias
9,8
9,8

Hi There, 1.A modern, cross-platform mobile app built with Flutter for Android and iO... ==> We understand your idea for a cross-platform reader app for manhwa and webtoons. We have worked on similar reader apps before and have good experience with this type of project. In one past project, we built a unique feature where the app could automatically detect individual panels on a page and display them one-by-one, which made reading on a small phone screen much better for users. We got the idea for the custom payment system to avoid platform fees. This is a smart approach. We will build a secure flow where users pay outside the app and our backend will use webhooks to instantly add coins or activate subscriptions. ## Queries : 1. When an admin uploads a new series, how will the chapter images be provided? Will they upload a single zip file for a chapter, or add images one by one through the panel? ## Initial Project Structure : - Splash & Onboarding - Login / Sign Up - Home Feed - Series Details - Content Reader - Search & Filter - My Library (Downloads/Favorites) - Profile & Settings - Coin & Subscription Store We use advanced AI tools (Cursor, Claude, ChatGPT) to speed up coding and reduce manual work hours. We pass these time-savings to you, providing a high-quality app at a very competitive price. Waiting for your reply. :-) Regards, Ghanu & Samir. KESHAV INFOTECH
$487 USD em 15 dias
9,7
9,7

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 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
$500 USD em 10 dias
9,7
9,7

Hello, I will deliver a robust cross‑platform Manga Reader app built with Flutter for Android and iOS, with offline downloads, a coin and subscription monetization flow via fully custom payments, and a web admin panel for content, users, and transactions. My approach is to design a clean, modular mobile app backed by a scalable backend (Firebase or Node/NestJS with PostgreSQL or MongoDB), implement secure webhook‑based payment verification, and provide a flexible admin panel to manage series, chapters, user access, and refunds. The reader will support vertical scrolling, themes, bookmarks, offline storage, and push notifications, with multi‑language readiness and a focus on performance and maintainability. I will deliver in clear, practical steps with milestones and a budget‑conscious plan, using GPT‑5 quality planning in plain language while keeping implementation straightforward and maintainable. Which merchant payment APIs should we integrate first and what regions will you launch in? Do you require any DRM or anti-piracy measures for downloaded chapters? What is the minimum Android and iOS version you want to support, and are there device constraints we should plan around? How many admin users will access the web panel, and are role-based permissions needed? Do you want any specific analytics or reports in the admin panel beyond revenue and user stats? Best regards,
$750 USD em 20 dias
9,4
9,4

Hello, As a leading web service provider, we at Our Software understand the importance of a modern, functional and efficient app like the one you're envisioning for manga lovers. Our seasoned team has expertise in not just Android and Mobile App Development but also PHP, ensuring we are capable of handling the complex integrations required for your project. With an unwavering dedication to customer satisfaction, we take pride in our ability to add that 'wow' factor to deliver projects that truly impress. What sets us apart is our commitment to customization and control. We appreciate your preference for bypassing Google Play Billing and Apple In-App Purchases for lower fees and complete control over revenue, payment flow, refunds, promotions etc. Our extensive experience in developing fully customized payment systems makes us the perfect fit. We've mastered handling external payment confirmation via callbacks/webhooks- enabling us to securely credit coins or activate subscriptions instantly without compromising on user's security. Additionally, our proficiency with Flutter aligns with your need for a cross-platform app targeted for Android and iOS users. Not only do we create beautiful designs using the latest technologies but we are also adept at building powerful web-based admin panels like the one you need for content management, transaction handling etc. I'm excited about the potential collaboration and I assure you that choosi Thanks!
$450 USD em 3 dias
8,6
8,6

Hi there, I can build your Flutter-based manhwa/manhua/webtoon app where users can read online and offline, unlock chapters with coins, and subscribe to tiered plans. I will start with reviewing your content and wireframes, setting up the Flutter project and backend structure, and creating the reader flow so you can see chapters loading and scrolling smoothly. Next, I’ll integrate the custom payment flow, offline downloads, and user accounts, followed by building the admin panel for managing content, users, and transactions. I have a few questions about which payment gateways you’d like to integrate for the custom flow, and whether you prefer Flutter Web or a separate framework for the admin panel. I would request to connect once to go over these details and finalize the best approach for your app. Thanks, Rahul A.
$750 USD em 56 dias
8,7
8,7

HELLO, WE HAVE BUILT CROSS-PLATFORM CONTENT PLATFORMS AND FULLY CUSTOM MONETIZATION SYSTEMS AND CAN PROVIDE RELEVANT EXAMPLES. We clearly understand your vision for a Flutter-based manga/manhwa/webtoon reader with offline-first reading, a coin + subscription model, and fully custom payment flows bypassing native IAPs. With 8+ years of experience in mobile, backend, and payment-integrated systems, we can deliver a production-grade app with full control over revenue, content, and user management. On the mobile side, we will build a smooth, performant Flutter app for iOS and Android featuring content discovery, vertical-scroll reading, offline downloads, bookmarks, resume reading, theming, and push notifications. Authentication (email/social/guest), profiles, libraries, and multilingual readiness will be implemented cleanly and securely. On the monetization side, we will implement a custom coin and subscription system with external payment flows, backend verification via webhooks/callbacks, instant crediting, manual fallback handling, and full transaction logging—without relying on Google Play Billing or Apple IAP. The admin panel will provide complete control over content, users, payments, and notifications, with dashboards, moderation tools, and basic analytics. The architecture will be scalable, secure, and well-documented, with full source code ownership and deployment support. Looking forward to discussing next steps.
$494 USD em 9 dias
8,3
8,3

Hello, I’ve read your requirement carefully and I can deliver this project end to end. I have strong experience building Flutter-based Android and iOS apps with offline content, custom monetization, and scalable admin panels. I can develop a high-performance manhwa/webtoon reader with smooth vertical scrolling, offline downloads, reading history, bookmarks, favorites, and multi-language readiness. Users will be able to unlock chapters using coins or access content via tiered subscriptions, with all logic handled securely on the backend. For payments, I can implement a fully custom flow outside Google Play Billing and Apple IAP, integrating your preferred payment providers with webhook or callback verification to automatically credit coins or activate subscriptions. This gives you full control over revenue, promotions, refunds, and manual adjustments without storing sensitive data in the app. I will also build a powerful web-based admin panel where you can manage series, chapters, pricing rules, users, transactions, notifications, and analytics. Push notifications, moderation tools, and reporting will be included. The entire system will be production-ready, secure, and designed to scale. I can handle architecture decisions, development, testing, and deployment, ensuring a polished experience on both Android and iOS. I’d be happy to discuss payment providers, backend preferences, and delivery milestones before starting.
$750 USD em 28 dias
8,1
8,1

Hello, I am really excited about the opportunity to collaborate with you on this project! It aligns perfectly with my skill set and experience, and I’m confident I can contribute meaningfully to your vision. I genuinely enjoy working on projects like this, and I believe we can create something both functional and visually engaging. Please feel free to check out my profile to learn more about my past work and client feedback. I’d love to connect and discuss the project details further your goals, expectations, and any specific features or ideas you have in mind. The more I understand your vision, the better I can bring it to life. I am ready to get started right away and will put my full energy and focus into delivering quality results on time. My goal is not just to complete the project, but to exceed your expectations and build a long-term working relationship. Looking forward to hearing from you soon! With regards! Nikhil
$750 USD em 7 dias
8,0
8,0

Hello, I came across your project and found it truly interesting. With over eight years of hands-on experience in this field, I have successfully delivered high-quality solutions to clients worldwide. My dedication to excellence is reflected in the 180+ positive reviews from satisfied clients. I’d love to bring this expertise to your project and ensure outstanding results. However, I do have a few important points I’d like to clarify to align perfectly with your vision. Let’s connect via chat, where I can also share relevant examples of my past work. I'm looking forward to hearing back from you! Best Regards, Divu.
$750 USD em 8 dias
8,1
8,1

Hello, HAVE HANDS-ON EXPERIENCE WITH SUCH PROJECT I have 9+ years of proven experience building cross-platform Flutter apps, custom monetization systems, and content-heavy SaaS platforms, and I confidently understand the requirement. The goal is to deliver a scalable manga/manhwa reader ecosystem with offline-first reading, custom payments, and a powerful admin backend—fully independent of app-store IAP constraints. -->> Flutter iOS/Android app with offline downloads, smooth vertical reader, and profiles -->> Custom coin + subscription monetization with external payment verification (webhooks/callbacks) -->> Secure backend for auth, content delivery, transactions, and entitlement logic -->> Push notifications, favorites, history, multilingual readiness -->> Web-based admin panel for content, users, payments, analytics, and moderation Approach: modular Flutter architecture, secure backend services, webhook-driven payment validation, offline-first data handling, and agile milestone delivery.
$300 USD em 7 dias
8,5
8,5

Hi, I’m interested in learning more about your project. I’d approach this by first validating the core architecture for Flutter, backend, and custom payments, then executing the build in clear phases so features remain stable and testable from day one. With a structured roadmap, the MVP can be delivered efficiently while ensuring secure payments, smooth offline reading, and consistent behavior across Android, iOS, and admin panel. If you award me this project, I’d be happy to discuss it further and get started right away. Short Development → Deployment Road-Map: • Architecture finalization (Flutter app, backend, admin panel, payment flow) • Flutter app development: auth, reader, offline downloads, profiles & monetization • Custom payment integration with webhook-based verification • Admin panel for content, users, coins, subscriptions & transactions • QA testing, performance tuning, and staged production rollout I’m also interested in a long-term collaboration and future enhancements. To better understand features and provide accurate estimation, reviewing reference apps or similar platforms together would help—can we discuss this further on chat? Best regards, Prakash.S
$599 USD em 7 dias
7,8
7,8

⭐⭐⭐⭐⭐ Build a Modern Cross-Platform Mobile App with Flutter ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for a Flutter developer to create a mobile app for manhwa, manhua, and webtoons. You have no need to look any further; Zohaib is here to help you! My team has completed 50+ similar projects for mobile apps. I'll create a user-friendly app that allows offline reading, custom payment systems, and a powerful admin panel for content management. ➡️ Why Me? I can easily build your cross-platform mobile app using Flutter as I have 5 years of experience in mobile development, specializing in Flutter, Dart, and backend integration. My expertise includes user authentication, offline capabilities, and payment integration. Besides, I have a strong grip on Firebase, Node.js, and API integration, ensuring a smooth experience for your users. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ Flutter Development ✅ Dart Programming ✅ Firebase Integration ✅ RESTful API Development ✅ User Authentication ✅ Offline Data Management ✅ Payment Integration ✅ Web Scraping ✅ UI/UX Design ✅ Content Management Systems ✅ Push Notifications ✅ Multi-language Support Waiting for your response! Best Regards, Zohaib
$350 USD em 2 dias
7,7
7,7

Hi there, We’ve developed similar apps that let users read content offline after downloading chapters, and we’ve integrated custom payment systems to avoid platform fees. We also have extensive experience with Firebase, using it for authentication, Firestore, FCM, and serverless functions. In addition to our strong technical skills, we bring a product mindset that helps us build features that users truly value. For example, we recently launched an MVP for a client that included a fully functional admin panel, and we’ve since added more than 10 features 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. Feel free to message me anytime—I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best, Adil
$422,65 USD em 7 dias
7,3
7,3

Hello I have thoroughly reviewed your project description and am confident in my ability to assist you in completing it successfully. I believe it would be highly beneficial to delve deeper into the specifics of the job to determine the most effective way forward. I am open to scheduling an interview at your convenience, and I genuinely appreciate the chance to collaborate with you on this project. Your response is eagerly anticipated, and I'm excited about the prospect of working together. Thank you for considering my proposal. Looking forward to your prompt reply! Best regards Rekha!!!
$750 USD em 7 dias
7,8
7,8

A FULLY CUSTOM FLUTTER READING APP WITH COMPLETE PAYMENT CONTROL & SCALABLE BACKEND Hi there, You’re not building “just an app” you’re building a digital content platform where control, monetization logic, and long term scalability matter. Bypassing native IAPs only works when the backend, security, and automation are done right. At Plan D Studios, we’ve spent 12+ years building custom software, mobile apps, and SaaS platforms with complex payment flows, dashboards, and automation handled fully in-house. Our approach is to treat this as a product system, not a UI project. Flutter handles a smooth offline first reading experience, downloads, themes, and user profiles. A custom backend (Node.js or Laravel, based on final requirements) manages authentication, coins, subscriptions, webhooks, and transaction verification securely. Payments are implemented via API based merchant integrations with callback validation, so coins and subscriptions activate automatically. The web based admin dashboard gives you full control over content, users, payments, analytics, and manual overrides built for daily operational use, not demos. Everything is documented, cleanly structured, and delivered so your team can extend features, add languages, or scale traffic without rewrites. Would you like us to recommend the backend architecture first, or review payment providers to ensure compliance and reliability? Happy to start with a technical walkthrough. Regards, Haider
$650 USD em 30 dias
7,4
7,4

Hi there! ? As an experienced Full-Stack Developer specializing in cross-platform mobile app development, I am excited to propose my services for your Manga Reader App project. With 12+ years of experience in building scalable websites and applications, I am confident in delivering a high-quality, custom app tailored to your unique requirements. I will develop a modern, user-friendly mobile app using Flutter for Android and iOS, focusing on manhwa, manhua, and webtoons. The app will feature authentication, content discovery, smooth reading experience, offline downloads, and a custom payment system for monetization. To ensure complete control over payments, I will implement a custom payment flow that bypasses traditional platforms, allowing for flexible integration and immediate transaction handling. Users will enjoy features like coin purchases, locked chapter unlocks, subscription tiers, and a secure payment process. Furthermore, I will create a powerful web-based admin panel for efficient content management, user oversight, and transaction handling. What is the preferred timeline for project kickoff and completion? Looking forward to discussing further details with you. What are your priorities for the app's initial launch - user experience, monetization strategy, or specific features?
$570 USD em 57 dias
6,9
6,9

Hello, I understand this is a Flutter app for webtoons/manhwa with offline reading, coin-based unlocks, subscriptions, and a web admin panel. I’ve worked on content and subscription platforms with similar access control, downloads, and backend-driven logic, so this flow is clear. The custom payment part makes sense — handling payments outside Google/Apple, verifying them on the backend via webhooks/callbacks, and then granting coins or subscriptions server-side. This keeps the app clean while giving you full control over pricing, refunds, and future payment providers. All sensitive logic stays on the backend, not in the app. The admin panel would be the control layer for content, users, access rules, and transactions, so you’re not dependent on store billing systems. This setup is doable and scalable if built correctly. Happy to align on backend stack and payment providers and take it forward. Regards, Sagar.
$750 USD em 7 dias
7,1
7,1

Hi, I’m a senior developer with 5+ years of experience in Flutter, Android, iOS, React Native, Node.js/NestJS, and MERN. I can build your manhwa/manhua/webtoon app with offline reading, custom payment flow, and a full admin panel. What I will deliver Mobile App (Flutter) Email/Google/Apple login + guest mode Home feed, search, series details, chapter list Smooth vertical reader + offline downloads Favorites, history, bookmarks, dark/light theme Coin & subscription system (custom payments, no IAP) Payment request (QR/invoice/link) + webhook verification Push notifications (FCM) Admin Panel Dashboard (users, revenue, content stats) Content management (upload/edit series, chapters) User management (ban, add coins/subs) Payment logs & manual adjustments Notification sender Backend Node.js/NestJS + PostgreSQL/MongoDB Secure REST APIs + webhook handlers Scalable architecture, clean code, deployment ready Why me Built real production apps with offline support Strong experience in custom payment + webhook systems Clean architecture, fast delivery, complete handover If you want, I can start after you share the detailed requirements. Best, Bhargav
$500 USD em 7 dias
7,1
7,1

Hello, I can build your cross-platform manga reader app using Flutter for both Android and iOS, focusing on offline reading and smooth user experience. I have experience integrating custom payment flows to bypass standard app store fees, ensuring secure and flexible transactions with coin packages and subscriptions as you outlined. I can also develop the web-based admin panel for content and user management, including transaction oversight, using a technology stack that best fits your needs. Your project sounds exciting and I am confident in delivering a reliable and user-friendly app along with a powerful admin interface. Thanks, Teo
$300 USD em 3 dias
6,6
6,6

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