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I’m building a level-based mobile game where players listen to short sound clips, decide what they hear, and earn an accuracy score that either unlocks the next, tougher story chapter or sends them back for another try. The overall look should feel light and cartoonish, and the experience must run smoothly on both iOS and Android from a single codebase. Here’s what I need from you: • A playful, cartoon-inspired UI/UX that scales well on a wide range of phone sizes. • A cross-platform front-end (React Native, Flutter, or another approach you recommend) that handles audio playback, animated transitions between levels, and real-time score feedback. • A secure back-end with APIs for user accounts, level data, answer storage, and the score algorithm. I’ll provide the server—just supply well-documented code and database schema. • Data persistence so progress survives reinstallations and can be analysed later. • Clear estimates of development hours for each major milestone so I can understand overall cost before we start. If you’ve shipped gamified apps with audio components, adaptive difficulty, or cross-platform cartoon games, I’d love to see examples. Let me know your preferred stack, how you would divide the work into sprints, and the total hours you expect the project to take from first sprint through store submission.
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196 freelancerit tarjoavat keskimäärin €2 306 EUR tätä projektia

Hi There, 1.I’m building a level-based mobile game where players listen to short so... ==> We got the idea for your sound-based quiz game. It sounds fun and engaging. We have worked on similar gamified apps before. One interesting feature we implemented in a past project was a special power-up that allowed players to hear a sound clip in slow motion a few times per level, which really helped with tougher challenges. We can definitely create a playful, cartoon-style UI that looks great on all phone sizes. For the cross-platform development, we would suggest using Flutter instead of React Native. It is fantastic for building smooth animations and a responsive experience, which is perfect for a game like this. We will build the secure back-end APIs to manage user accounts, level data, and scoring. You will get well-documented code and a clear database structure for your server. ## Queries : 1. How will the difficulty of levels increase? Will it be through more complex sounds, shorter clip durations, or perhaps misleading answer choices? ## Initial Project Structure : - Splash & Loading - Login/Sign Up - Home/Chapter Selection - Gameplay - Level Result - User Profile - Settings 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
€1 887 EUR 28 päivässä
9,4
9,4

As a successful game development company, Falcon Interactive has garnered over two decades of experience crafting cutting-edge software - including over 200 captivating apps and games. With this in mind, we believe we're the right team for creating your Cross-Platform Audio Quiz Game. Our rich background affirms our fluency with the complex blend of careful audio composition, adaptive difficulty, and visually-driven interfaces vital to your almost gamified project. Central to our service is an adherence to the highest development standards - which means not only delivering an impeccable product but also ensuring absolute quality post-launch. We'll proactively tackle your needs by managing agile sprints with regular consultations through your preferred stack - be it React Native, Flutter or otherwise. You can count on us for timely delivery with well-documented code, a secure back-end architecture, and comprehensive database schema for API handling. We have great expertise in developing mobile games which are not only visually impressive but those that work seamlessly on different devices across platforms. Our skills in Android, iPhone and Objective C will ensure that your game runs smoothly on both iOS and Android without compromising on performance or user experience. No matter what challenges arise- from creating playful UI/UX at scale to embedding real-time score feedback - we have you covered. What are you waiting for? Let's create magic together!
€2 250 EUR 7 päivässä
9,1
9,1

Hello, I can build your level-based audio game with a single cross-platform codebase, playful cartoon UI, and a scalable backend that supports adaptive progression and analytics. Preferred Stack: • Frontend: Flutter for smooth animations, strong audio handling, and consistent iOS/Android performance • Backend: Node.js or .NET REST API with PostgreSQL • Secure auth, structured score logic, and analytics-ready data storage Architecture Approach: • Audio engine with buffered playback and latency control • Level progression system with configurable difficulty rules • Real-time scoring algorithm with unlock thresholds • Persistent user profiles with cloud sync • Clean API structure for users, levels, answers, and scoring • Secure backend with token-based authentication Deliverables include documented code, database schema, and deployment instructions for your server. I’ve built gamified cross-platform systems with structured progression logic and audio-driven interactions. Happy to refine the hour estimate once we define level count and scoring complexity. Best regards, Jenifer
€2 250 EUR 30 päivässä
9,4
9,4

Hi there, I’m Muhammad Awais. I understand you want a cross‑platform audio quiz game with a playful, cartoon style that runs smoothly from one codebase on iOS and Android. I’ll deliver a modular front-end (React Native or Flutter, with a strong preference for React Native for faster native feel) that handles audio playback, smooth level transitions, and real‑time score feedback. The back-end will be a secure API layer with clear data models for users, levels, answers, and the score algorithm, plus a data persistence layer to survive reinstallations. I’ll provide detailed architecture, data schemas, and well‑documented code so your server team can plug in their endpoints easily. I’ll break work into sprints with clear hours per milestone and provide estimates from first sprint through store submission. I’ve shipped gamified apps with audio and adaptive difficulty and can show examples on request. Brief understanding and approach: I’ll start with a cartoony, responsive UI that scales from small to large screens. The front-end will manage audio clips, level progression, and live scoring, while the back-end stores user data, levels, and answers and calculates the score. Data persistence will use secure tokens and local storage for offline progress with server sync. I’ll define API contracts, a relational or NoSQL schema for users, levels, and results, and a clean data flow for analytics. Key questions I’ll ask: - What is the target release timeline and major milestones? -
€3 000 EUR 21 päivässä
8,9
8,9

I have over a decade of experience in web and mobile development, specializing in building scalable and feature-rich solutions. I understand that you are working on a Cross-Platform Audio Quiz Game, where players listen to sound clips and earn scores based on accuracy. The game must run smoothly on both iOS and Android devices. In the realm of gamified apps and cross-platform games, I have successfully delivered projects with adaptive difficulty levels and engaging audio components. My expertise in building secure back-ends with well-documented APIs aligns perfectly with your project requirements. I am confident in my ability to create a playful, cartoon-inspired UI/UX that scales perfectly on different phone sizes, implement a cross-platform front-end for seamless audio playback and scoring, and ensure data persistence for user progress tracking. I will provide clear estimates of development hours for each milestone, allowing you to understand the overall cost upfront. I am excited about the opportunity to work on your project. Please feel free to reach out to discuss further details and kickstart this exciting collaboration.
€2 400 EUR 30 päivässä
8,3
8,3

HELLO, I HAVE CAREFULLY REVIEWED YOUR REQUIREMENTS AND CLEARLY UNDERSTAND THE COMPLETE SCOPE OF DEVELOPING A CROSS-PLATFORM, LEVEL-BASED AUDIO QUIZ GAME WITH PROGRESSION LOGIC AND STORY UNLOCKS. With 10+ years of experience in mobile and full-stack development, including gamified and media-driven applications, I can build this using React Native (single codebase for iOS and Android) with a secure Node.js backend and structured database schema. The app will include responsive cartoon-style UI, smooth animated transitions, optimized audio playback, real-time scoring logic, secure APIs, and persistent user progress synced to the backend. I follow a stage-wise approach: wireframes and UI/UX validation → frontend audio and gameplay logic → backend APIs and scoring engine → testing, polish, and store deployment. Estimated effort: ~160–180 hours divided into milestone-based sprints with clear documentation. I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STORES. I ensure clean architecture, proper documentation, and timely communication. I eagerly await your positive response. Thanks.
€1 600 EUR 21 päivässä
8,3
8,3

Hi, This is Elias from Miami. I’ve reviewed your scope and understand you’re building a level-based audio game: players listen to short clips, choose what they hear, get an accuracy score, and either unlock the next (harder) story chapter or repeat. You want a light, cartoon UI, smooth cross-platform iOS/Android from one codebase, animated level transitions, real-time score feedback, and a secure backend with accounts, level data, answer storage, scoring, and persistence that survives reinstalls. You’ll provide the server—my deliverable is documented code + DB schema + APIs, plus clear hour estimates per milestone through store submission. Preferred stack: * Mobile: Flutter (great for smooth animations + consistent UI) or React Native (fast iteration). For this game, I’d lean Flutter for animation polish and predictable performance. * Backend: Node (NestJS) or Python (FastAPI), Postgres, JWT auth, object storage for audio assets, simple admin tooling for level upload. -Q1 Are answers multiple-choice, free text, or “tap the waveform” style? This affects UI + scoring logic. -Q2 Do levels require streaming audio from server/CDN, or should clips be bundled/offline for reliability? -Q3 Will you need an admin panel to upload levels/audio and define correct answers/difficulty, or is seeding via scripts fine for MVP? I can share relevant gamified/audio app examples (screenshots/links) in chat. Regards.
€2 250 EUR 7 päivässä
7,8
7,8

Hi there, I’ve reviewed your Flutter app requirements and would love to help. With 5+ years of experience in cross-platform development, I specialise in clean UI, smooth performance, and robust API integration. I’ll begin with clear planning, share regular progress updates, and ensure the app is fully tested before launch. Let’s connect to discuss your vision — I’m ready to get started! Best, Bhargav Flutter Developer | Android & iOS Expert
€1 500 EUR 7 päivässä
7,0
7,0

I have extensive experience in Mobile App Development, iPhone, Android, Objective C, and UX / User Experience, making me a perfect match for the Cross-Platform Audio Quiz Game project. I am confident in my ability to deliver a playful UI/UX design and a cross-platform front-end that meets your needs. Once we discuss the full scope, I am open to adjusting the budget to fit your requirements. Let's kick off this project and create something amazing together. 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 EUR 21 päivässä
6,9
6,9

✅ Audio Quiz Game | React Native | Firebase |Mobile App Development Expert Hi, Hope you are doing good. I have read your requirements carefully and can give you 100% assistance as a React Native Developer for building or enhancing your mobile application. I specialize in creating fast, stable, and scalable apps for both iOS & Android, backed by a secure and efficient Firebase architecture. Due to NDAs, links aren’t public—but once you open the chat, I’ll share live demos and walkthroughs. I’d love the opportunity to discuss your idea further and collaborate on developing a modern, intuitive, and impactful app. (Note: Please consider the current budget as flexible — we can finalize it after discussing the complete scope.) Thanks & Regards, Kajal
€2 250 EUR 7 päivässä
7,0
7,0

⭐⭐⭐⭐⭐ Thank you Valuable Client. CnELIndia, led by Raman Ladhani, can deliver your level-based audio game with a clean, scalable architecture and engaging cartoon feel. Preferred stack: Flutter for a single high-performance iOS/Android codebase, with custom animated widgets, smooth audio handling, and adaptive layouts for all screen sizes. Backend APIs will be built using Node.js with secure authentication (JWT), encrypted answer storage, and a modular scoring engine. We’ll provide complete API documentation and normalized database schema (PostgreSQL/MySQL as per your server). Sprint plan: Sprint 1 (40 hrs): UI/UX wireframes, game flow, architecture. Sprint 2 (60 hrs): Core gameplay, audio engine, scoring logic. Sprint 3 (50 hrs): Backend APIs, database, persistence, analytics hooks. Sprint 4 (40 hrs): Adaptive difficulty, polish, animations. Sprint 5 (30 hrs): Testing, optimization, store submission. Estimated total: 220 hours. CnELIndia and Raman Ladhani ensure structured sprints, transparent reporting, scalable code, and smooth store deployment for successful delivery.
€2 250 EUR 7 päivässä
7,0
7,0

Hi, Cross-Platform Audio Quiz Game "", We provide complete frontend to backend development with clean, scalable, and high-performance solutions tailored to your requirements. Our experienced team ensures modern UI/UX, secure architecture, smooth functionality, and full support until successful deployment. Let’s build a reliable and impactful product together. Regards, Muhammad Abdullah
€2 250 EUR 7 päivässä
7,1
7,1

Hi there, I’m excited about your Cross-Platform Audio Quiz Game concept. With a strong background in full-stack development and AI-driven UX, I’ve shipped gamified apps with audio components and cross-platform payloads that feel delightful on both iOS and Android from a single codebase. I recommend a robust, scalable stack: React Native (with TypeScript) for the frontend to ensure smooth audio playback, animated transitions, and real-time score feedback, paired with a Node.js/Express or NestJS backend and a PostgreSQL or MongoDB database for secure accounts, level data, and score storage. For the audio pipeline, I’ll implement a streaming-friendly player, synchronize UI animations with audio cues, and build adaptive difficulty hooks to unlock next chapters based on accuracy. What you’ll get: - A playful, cartoon-inspired UI/UX that scales across devices and preserves performance on low-end hardware. - A cross-platform front-end that handles audio playback, level transitions, and live score updates with polished micro-interactions. - A secure back-end with well-documented APIs, data models, and a flexible score algorithm suitable for analytics later. - Data persistence to survive reinstallations and enable analytics (user profiles, progress, and event logs). - Clear milestone-based development plan with estimated hours so you can gauge cost before we start. Proposed approach and milestones (example breakdown, hours shown as rough estimates): - Milestone 1: Discovery, UX des
€2 500 EUR 20 päivässä
6,6
6,6

Gemini said I am excited to apply for this project, bringing extensive experience in Flutter and Dart to build a high-performance, cross-platform game from a single codebase. I specialize in creating responsive, "light and cartoonish" UI/UX that scales seamlessly across all iOS and Android devices. My background includes implementing complex audio playback features, smooth animated transitions, and real-time feedback systems, ensuring the gameplay feels polished and engaging as players progress through your story chapters. On the technical side, I will deliver a secure back-end architecture with well-documented APIs for user accounts, level data, and scoring algorithms. I prioritize data persistence to ensure player progress is saved across reinstalls and remains available for later analysis. I am prepared to provide a detailed breakdown of development hours per milestone—from the initial UI core to final store submission—to ensure full transparency on costs and timelines.
€2 000 EUR 10 päivässä
6,6
6,6

Hey, I will build your level-based audio quiz game for iOS and Android with a playful cartoon UI, smooth audio playback, animated level transitions, real-time scoring, and a backend for user accounts, level data, and progress tracking. For the audio playback flow, I will preload sound clips during level transitions and use a gapless playback queue so there is zero delay between the clip ending and the answer input appearing, keeping the game feeling responsive and polished. Questions: 1) How many levels and sound clips are planned for the initial release? 2) Should progress sync across devices (cloud save), or is local-only storage enough for launch? 3) Do you have the sound assets ready, or do you need help with audio format and quality specs? Looking forward to talking through the details. Kamran
€1 540 EUR 21 päivässä
7,4
7,4

Hi there To build a smooth, level-based audio quiz game, the most critical part is combining responsive audio handling with a secure, server-driven scoring system. I would recommend React Native for a single codebase, using a performant audio library for precise playback control and animated transitions between levels. The backend would expose APIs for authentication, level configuration, answer validation, and score computation—keeping the algorithm server-side to protect integrity. Progress persistence would be tied to user accounts so reinstallations don’t affect advancement, and analytics-ready event logging would allow you to evaluate player accuracy trends. My process begins with game flow mapping and UI prototypes, followed by audio + animation engine implementation, then backend scoring integration, QA testing across devices, and final store preparation. Once we confirm number of levels and scoring complexity, I’ll provide a milestone-based breakdown with estimated hours per sprint.
€2 250 EUR 7 päivässä
6,3
6,3

You’re building a progression-based audio game not just a quiz app where performance accuracy directly controls level advancement. The experience must feel playful and cartoonish while maintaining smooth audio playback, responsive scoring, and seamless progression across iOS and Android from a single codebase. The build will include: scalable cartoon-inspired UI, cross-platform front-end (Flutter or React Native), audio engine integration with smooth transitions, animated level progression, real-time score feedback, secure backend APIs for accounts/levels/answers, structured scoring algorithm, and persistent cloud storage so progress survives reinstallations. I’m assuming adaptive difficulty and analytics-ready data tracking are core to long-term growth. Scope: UX design → cross-platform app development → audio & animation integration → backend API + database schema → persistence layer → testing → store submission. For audio-based games, playback latency and scoring logic must be finalized early to prevent gameplay inconsistency alignment on level structure and scoring rules should happen before sprint 1 begins. Sagar P.
€2 250 EUR 7 päivässä
6,7
6,7

Hi I will be able to help you as I am also working on Quiz based App now also and can give you demo if you suggest. 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 & React- Native, and for web and backend on react js and node js, Python Django , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
€1 800 EUR 30 päivässä
6,5
6,5

Hi there, I understand you're aiming to create a fun, engaging mobile game with smooth audio playback and a playful UI. I've worked on similar gamified apps that focus on audio and adaptive difficulty, so I know what it takes to keep users hooked. What specific features do you envision for the animated transitions? Looking forward to your thoughts! Regards, Burhan Ahmad
€3 000 EUR 15 päivässä
6,1
6,1

Hello, With over a decade of experience in software and game development, our team at Live Experts is well-versed in building dynamic, cross-platform applications. In terms of your requirements, our skills in Android development and knowledge of Flutter make us a strong match. We've successfully tackled similar projects in the past, integrating audio components into gamified experiences to build a seamless and fun user interface that's adaptable across mobile devices. We understand that a project like yours needs reliable and secure back-end capabilities which is why I assure you, our APIs for user accounts, level data management, answer storage, and the score algorithm will be thoroughly documented and provided to meet your needs. We also excel in integrating data persistence for uninterrupted user progress which survives reinstallations. For this project, we propose using agile methodology in dividing the work into manageable sprints with clear milestones to provide efficient time-tracking and ensure a realistic estimate of hours. Overall, we're confident that our multidisciplinary expertise can cater to your needs like scalable UI/UX design, real-time score feedback features, and single codebase approach for iOS and Android compatibility. Hiring us means you're laying down all your development concerns in safe hands – your complete satisfaction is paramount and guaranteed! Thanks!
€3 000 EUR 3 päivässä
6,0
6,0

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