Ad-Revenue Coin Quiz App -- 3

@rahuliitm69

Hi, I can develop this lightweight Indonesian General Knowledge Quiz app with a clean, scalable architecture and AdMob/Firebase integration. I have already developed similar quiz/reward-based platforms with coin systems, timed questions, persistent user data, ads, and analytics. Preferred Stack: Flutter + Firebase, giving you a fast Android MVP now and an easy path to iOS later. Development Steps: • Build Indonesian quiz UI with categories, timer, MCQ flow & results • Add 500+ Indonesian starter questions with JSON/admin management • Implement persistent coin ledger with configurable reward constant • Integrate AdMob banner, interstitial & optional rewarded ads • Add Firebase Analytics and basic event tracking • Create admin screen to add/update questions and sync them live • Test on Android 8+ and provide source code, build guide & walkthrough I can deliver the first playable demo in 7–10 working days, followed by final testing and polish. 2 Questions: Should the admin panel be inside the mobile app or a separate web dashboard? What should be the default coins awarded per correct answer? I’m ready to start immediately. Thanks Rahul

@tangramua

Dear ,   We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time.   We are 25 years in this business and our technical specialists have strong experience in Mobile App Development, iPhone, Android, Unity 3D, JSON, Kotlin, React Native, Flutter and other technologies relevant to your project.   Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews.   Please contact us via Freelancer Chat to discuss your project in details.   Best regards, Sales department Tangram Canada Inc.     

@kabirchy

Hi there, I can build this as a lightweight cross-platform quiz app using Flutter, with native support for Android and iPhone. The core flow will be simple: load JSON-based question sets, track coin balance locally and optionally sync via API, show rewarded or banner ads after each session, and let players redeem or use coins for hints, skips, or streak boosts. My approach includes: - Quiz engine with categories, timer, difficulty scaling, and anti-spam rules so coins are only awarded for valid answers - Ad revenue layer with test mode and live ad mediation ready for launch - Player economy: coin wallet, daily bonus, history, settings, and sound toggle - Fast local-first experience using Hive or SQLite, with JSON question packs you can update - Clean analytics to see session length, retention, ad impressions, and coin spend The UI will stay fast, playful, and easy to extend with new question categories. I will structure the code for future updates and submit an initial build you can review quickly. Best Regards, Khorshed Alam, RS Software

@pasngames

Hello, I have carefully reviewed your requirements for developing a lightweight general-knowledge quiz game for Android with Indonesian questions, coin rewards, AdMob monetization, analytics, and an expandable question system. With 9+ years of development experience, I have strong expertise in Android app and game development, Firebase, AdMob integration, analytics, local databases, JSON systems, and optimized UI development. You will get: 1. Clean and optimized Android application 2. Indonesian quiz system with expandable question database 3. Coin and reward system with persistent data 4. Banner, interstitial, and rewarded ad integration 5. Firebase analytics integration 6. Complete source code, build documentation, and NDA & IP protection I will discuss the preferred development stack, question management system, ad implementation, analytics, first playable demo timeline, and complete development milestones based on your requirements. Available to start immediately. Come inbox & let’s get started. Best regards, Sohaib Pasn Games

@pragyadeveloper

Hi, I’d build this in Flutter + Firebase, giving you a fast Android launch while keeping the codebase ready for an iOS port later. For ads, I’d use Google Mobile Ads (AdMob) with a clean abstraction so switching SDKs is straightforward. Proposed MVP Indonesian UI throughout 500+ starter general-knowledge questions, stored locally and structured for JSON import Category → timed MCQ → answer/reveal → coins → next round flow Configurable COINS_PER_CORRECT_ANSWER constant Persistent coin ledger using local storage Firebase Analytics for retention, sessions, and ad events Home banner, configurable interstitial frequency, optional rewarded video to double session coins Lightweight admin screen to add/edit questions and sync them live Android 8+ support and crash-safe state handling Source code, build/setup documentation, and short walkthrough covering questions, coin values, and ad IDs Timeline: I can deliver a first playable demo in 5–7 days, with the complete MVP approximately 2–3 weeks depending on final admin/QA requirements. I’ll structure the project cleanly so future features and iOS deployment are easy to add. Best regards Praggya

@ZohaibRoy

⭐⭐⭐⭐⭐ Create a Fun General-Knowledge Quiz App with Rewards and Ads ❇️ Hi My Friend, I hope you're doing well. I reviewed your project details and see you are looking for a quiz app with in-app rewards and ads. You don’t need to look any further, as Zohaib is here to help you! My team has successfully completed 50+ similar projects for quiz applications. I will create a lightweight app where users can answer questions, earn coins, and view ads seamlessly. ➡️ Why Me? I can easily develop your quiz app as I have 5 years of experience in mobile app development, specializing in Flutter, React Native, and Kotlin. My expertise includes building user-friendly interfaces, implementing ad systems, and integrating analytics. I also have a strong grip on backend management and user data handling, 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. I look forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ Mobile App Development ✅ Flutter Framework ✅ React Native ✅ Kotlin Programming ✅ AdMob Integration ✅ Firebase Analytics ✅ JSON Data Management ✅ UI/UX Design ✅ Multi-Language Support ✅ Coin System Implementation ✅ Admin Panel Development ✅ Debugging & Testing Waiting for your response! Best Regards, Zohaib

@hassans5

Hi, I read your requirements and can build this Android quiz app using Flutter, keeping the architecture ready for a future iOS version. I’ll handle the Indonesian question bank (500+ questions), timed quiz flow, persistent coin system, admin/JSON question management, Ad Mob integration, Firebase analytics, and complete Indonesian UI. I’ll provide the source code, Android build, setup guide, and walk through showing how to update questions, coin values, and ad IDs. I can deliver the first playable demo within 5–7 days. Thanks, Hassan

@invoketech

Hello, I have hands-on experience with Flutter, Firebase, AdMob, quiz/game logic, admin panels, and in-app reward systems. I can build your Indonesian quiz app with a clean, scalable structure ready for future iOS expansion. I’ll implement timed MCQ gameplay, 500+ Indonesian questions, coin rewards with configurable values, persistent coin ledger, AdMob banners/interstitials/rewarded ads, Firebase analytics, and a simple admin/JSON question management system. I’ll ensure all UI and content are fully Indonesian, Android 8+ compatible, policy-compliant, and thoroughly tested. Please share your preferred quiz flow and admin requirements so I can confirm the first playable demo timeline. Thanks Invoke

@Proswift

Hi, You want a light Pengetahuan Umum quiz on Android: timed MCQs, coins for correct answers, AdMob (banner / interstitial / optional rewarded double), ~500 Indonesian questions, small admin or JSON import, Firebase analytics, and a short walkthrough so you can swap questions, coin values, and ad IDs. Stack: Kotlin (fastest for Android-first). Easy to keep the same API/question format if you port to iOS later. Demo: playable build in ~5–7 days (categories, quiz loop, coins, basic ads). Full hand-off with 500 questions + admin/JSON + docs in about 2–3 weeks. Rate: $15/hr Best regards

@LeadForce1

Hi, I'm Luigi from Toronto. "Flutter Quiz App with AdMob + Coin System" - you need a lightweight quiz app with in-app coins, ads, and an Indonesian question bank. I'll build with Flutter for Android (iOS-ready later) with: a 500+ Indonesian question bank (JSON import + admin panel), timed multiple-choice questions, a coin ledger (X coins per correct answer, tweakable), AdMob integration (banner on home, interstitial every N rounds, rewarded video for double coins), Firebase Analytics for retention/impression tracking, and Indonesian UI. I'll provide source code, build instructions, and a walkthrough for swapping questions, editing coin values, and adding ad IDs. Do you have the 500+ Indonesian questions ready or should I source them? Looking forward to working with you. Luigi Tady

@Walkingdreams

With 13+ years in the industry, my team at Walking Dreamz Technologies is skilled and experienced in delivering robust, stable and easy-to-extend mobile app solutions. Our proficiency lies specifically in your preferred stack -- Android, Flutter, React Native. We have comprehensive knowledge of utilizing APIs and SDKs like AdMob and can surely incorporate your ad hooks requirement effectively. Considering the milestones in your project description, we have worked on several projects that align with your needs such as dynamic question banks, coin ledgers, analytics (in this case Firebase), and question import/admin panels. This makes us a perfect fit to build you a clean Android version which can later be ported to iOS if needed. In addition to our technical expertise, our work speaks for itself with a strong positive review percentile of 99% on Freelancer.com. We take pride in not just delivering exceptional work but also maintaining seamless communication and providing reliable post-launch support. Let's leverage our skills to create an the game you envisioned - producing profit through ads while giving players a chance to brush up their general knowledge and have fun while doing it!

@tyagigravity

My name is Abhishek and I am a seasoned Unity Game and Mobile Application Developer with over 9 years of experience - expertise that aligns perfectly with your project needs. My proficiency spans across diverse platforms including Android, iOS, WebGL, and PC, all the skills that can aid in your project's successful launch on Android initially, and later on iOS if desired. I'm well-versed in integrating backend services and monetization systems, which makes adding the coin system with its accounting dimensions a promise you can count on. The local question bank is an integral element of your project and I assure you of creating an expandable one through a small admin panel or JSON import. My aim is to save your time and efforts by covering all the bases. Additionally, my fluent command over Indonesian would ensure that no strings or UI elements are hard-coded, presenting your users an authentic experience. All your acceptance criteria hold priority for me. Two crucial acceptance points which resonate deeply with my approach are 'correct answers increment' and persistence which speaks to my commitment towards robustness and ‘App installs and launches on Android 8+ without crashes’ which signifies my conviction to deliver high-quality solutions. I can providea first playable demo within a maximum of 12 days to ensure speedy progress while not hovering over quality.

@SkillCrafts

I can build your Ad-Revenue Coin Quiz App, replicating the engaging, rewarding user experience and ad monetization strategy you've outlined. My experience includes developing similar gamified learning platforms where user retention and ad revenue were critical success factors. I understand the need for a seamless flow from question to reward, integrated with a robust ad delivery system. My approach will leverage React Native for cross-platform efficiency, allowing for a single codebase for both Android and iOS. I'll integrate AdMob SDKs from the outset, ensuring a smooth implementation of interstitial and rewarded video ads, with a clear architecture designed for easy switching to alternative ad networks if needed. The quiz logic, coin accumulation, and game state management will be handled robustly, prioritizing performance and a clean user interface. To ensure we're perfectly aligned, could you clarify your target user base for initial marketing efforts? Also, are there any specific performance benchmarks you'd like to achieve for quiz loading times or ad impression rates? I’m available for a brief call to discuss these details and how I can deliver a high-performing app.

@RajAbhisek

Hi, A timed multiple-choice quiz in Flutter with a coin ledger that survives restarts, AdMob banner, interstitial every N rounds and a rewarded video to double coins, plus an admin screen and JSON import for questions. Straightforward build. The part to be careful with is ad policy. Interstitials fired too often, or a rewarded ad that pays out without a genuine completion callback, is what gets AdMob accounts limited - so I would gate the frequency in config and verify the reward on the callback rather than on the button press. One honest note: I can build the app and the import pipeline, but I would not be writing 500 Indonesian questions myself. If you supply the question set I will import and validate it. Can you ping me here? Thanks, Raj

@savaliyaravina13

Hello, I read your requirement for a lightweight Indonesian general-knowledge quiz app with a coin reward system, AdMob monetization, local question bank, admin management, and Firebase analytics. I have strong experience with Flutter, Firebase, AdMob, local data persistence, REST APIs, admin panels, and Android/iOS development. I can build the Android MVP in Flutter with a clean structure that can later be extended to iOS. I can implement the timed quiz flow, coin ledger with configurable reward values, 500+ Indonesian starter questions, JSON/admin question management, banner/interstitial/rewarded ads, and Firebase analytics. I’ll also ensure coins persist correctly and the app follows Google Play and AdMob requirements. I’ll keep the question and coin configuration easy to update, with clear documentation showing where to modify question sets, coin values, and ad IDs. I can provide a first playable demo within 7 days and will include relevant Flutter projects from my portfolio. Feel free to connect, and we can discuss the project in more detail. Best Regards, Ravina

@Baber512

Hello, I’m Baber Ali, a Flutter developer with 5+ years of experience. I can build your lightweight Indonesian general-knowledge quiz app in Flutter for Android, with a clean and fast user experience. I can implement the timed quiz flow, 500+ Indonesian questions, persistent coin ledger, Firebase-backed question management, AdMob banners/interstitials/rewarded ads, analytics, and an admin feature for adding or updating questions. I’ll also provide clean source code, build instructions, and a short walkthrough showing where to update questions, coin values, and AdMob IDs. The architecture will remain flexible for a future iOS version. I’m available to start immediately and can deliver high-quality work within your timeline. Please join the chat so we can discuss the requirements and get started. Thank you.

@guptakishan805

With over 5 years as a Full Stack Developer, I bring a wealth of expertise in creating reliable mobile applications for businesses and entrepreneurs. I am well-versed in the use of Flutter, React Native, and Kotlin - ensuring a clean and efficient build that meets all your requirements. Be it generating ad-revenue through AdMob, localizing question banks, creating a coin ledger or integrating basic analytics, I can turn these tasks around swiftly and effectively. Additionally, I offer you upmost flexibility in my design so that it is ready for porting into iOS when the numbers look good. Also, Firebase can come handy here for basic analytics tracking. I guarantee an app that installs seamlessly without crashes, incrementing coin counts on correct answers no matter the restart while also ensuring ads display as expected within Google policy limits. I am committed to your long-term success and building a reliable product that aligns with your vision. This is shown in my dedication to understanding client goals and suggesting improvements where required. Let's start building this powerful quiz app together.

@umer419

Hello, I checked your project "Ad-Revenue Coin Quiz App -- 3" and already have a clear understanding of your requirements and how to deliver them efficiently. I have solid experience in Mobile App Development, React Native, Flutter, and I've successfully completed similar projects by delivering high-quality, scalable, and reliable solutions. Why choose me? * Strong expertise in Mobile App Development, React Native, Flutter * Clean, optimized, and scalable implementation * Fast communication and regular progress updates * Focused on delivering results, not just completing the task I'm ready to start immediately and would be happy to discuss the details. Best regards, Umer

@TomGetCodeLess

Hi, I'm Tom. You've clearly thought through the monetization loop and the question-management workflow, which is rare and helpful. The way you've separated the coin ledger, ad frequency, and content expansion as independent levers tells me you're planning to iterate on each one without rebuilding the app. For this, I'd go with Flutter for the Android build. It keeps the door open for your iOS port later without a rewrite, and it handles AdMob and local persistence smoothly. Firebase Analytics gets you the retention and impression data you mentioned without extra infrastructure. I'd build a simple admin screen directly into the app for adding questions, backed by a local JSON structure that's easy to expand manually too. I've built similar lightweight mobile apps with Flutter in the past, including a habit-tracking app with coin rewards and ad hooks, and a Flutter app with on-device question banks and offline-first storage. Both needed clean, swappable content management and persistent user state, so the patterns here are familiar. My product and delivery background also helps when it comes to scoping the MVP tightly so the first playable version actually hits your acceptance criteria without scope creep. I'll set up the project with a dedicated test environment and show weekly demos so you can play the game, check the coin persistence, and test the admin flow as it develops. The ad SDK will be abstracted so swapping AdMob for another provider later is a one-file change. Cheers, Tom. If this sounds like a fit, let's chat and I can walk you through the build plan in more detail.