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I need a developer who can take my concept for a music-therapy application and turn it into a polished product that runs smoothly on both iOS and Android. The core goal is simple: help users unwind and manage day-to-day stress through carefully curated sound. What the first release must do • Customized music playlists – users choose a mood (e.g., calm, focus, uplift) and instantly receive a tailored set of tracks that stream seamlessly or download for offline play. Beyond that anchor feature, the codebase and UI should be flexible enough for me to add items like guided meditations or sleep tracking later, so please bear future modules in mind when structuring architecture, navigation, and data models. I’m open to React Native, Flutter, Swift/Kotlin, or another approach you can justify for a fast, stable cross-platform build. Clean code, straightforward component names, and clear README instructions are important because I’ll be maintaining the project after launch. Acceptance criteria • Smooth playback with no audible gaps when switching tracks • Playlist generation in under three seconds on a mid-range phone • Consistent design language on iOS and Android (Figma mock-ups provided once we start) • Successful test builds delivered through TestFlight and Google Play Console • Source code pushed to my private Git repository with concise commit messages If you have previous work in audio apps, meditation tools, or wellness tech, that’s a definite plus—link me to it so I can listen for myself.
Project ID: 40588493
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296 freelancers are bidding on average $479 USD for this job

Hi there, Jas this side from Logictrix and I am ready to work on your app with my team and with a promise for long term support in fairly low cost. Please just give me your few minutes for the chat so that we can discuss all the important points about project as well as we can clarify any queries from both side to go ahead further for final agreement. We are expert in AI development and we used many AI platforms like openAI, Freepik, Antigravity, Cursor etc for App development and other AI 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
$400 USD in 7 days
9.7
9.7

Hello!! Relaxation Music Therapy App – I have carefully reviewed your requirements, and I HAVE DEVELOPED SIMILAR MUSIC STREAMING, WELLNESS, AND MOBILE APPLICATIONS BEFORE THAT I CAN SHOW YOU. I have 10+ years of experience in Flutter, React Native, Android, iOS, and backend development. I can build a high-performance cross-platform music therapy application with mood-based personalized playlists, seamless online streaming, offline downloads, smooth gapless playback, and a scalable architecture that supports future features such as guided meditation, sleep tracking, breathing exercises, and wellness analytics. The app will feature a clean, modern UI, optimized performance, well-structured code, Git-based development, and complete documentation for easy long-term maintenance. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT, COMPLETE SOURCE CODE, AND ASSIST YOU FROM DEVELOPMENT TO SUCCESSFUL DEPLOYMENT, INCLUDING TESTFLIGHT AND GOOGLE PLAY STORE RELEASES. WE WILL FOLLOW AN AGILE METHODOLOGY TO ENSURE TRANSPARENCY THROUGHOUT THE PROJECT. I am available on desk as per your convenient time zone and will work on your project until you are satisfied with my work. Thanks Christina
$500 USD in 7 days
8.4
8.4

Hi, I'm Elias from Miami. Creating a music therapy application presents an exciting challenge that blends user experience with therapeutic effectiveness. What usually matters most here is ensuring the app delivers high-quality sound while addressing user needs for relaxation and emotional support. The tricky part is balancing diverse user preferences with intuitive navigation and content curation. To approach this, I’d focus on a modular architecture for maintainability and scalability. Using a framework like React Native can provide a seamless experience across iOS and Android, allowing for quick updates and feature enhancements. Integrating user feedback loops will help refine the therapeutic elements based on real experiences. I’ve worked on wellness applications and audio streaming platforms, giving me insights into delivering a seamless user experience while managing performance and data consistency. To make sure we're solving the right problem, I have a few questions: Q1: What key features do you see as critical for user engagement? Q2: How do you plan to curate or source the music content for therapy sessions? Q3: Are there specific user roles or permissions you want for content management? I’d be glad to help review your current architecture or suggest a phased MVP for a successful launch. Looking forward to hearing from you.
$500 USD in 5 days
8.1
8.1

With over a decade of experience in mobile app development, including expertise in Flutter, Swift, and Kotlin, I understand your goal of creating a Relaxation Music Therapy App that helps users unwind and manage stress. My background in creating high-performance solutions for over 1 million users positions me well to tackle the challenges of this project. A strategic insight for ensuring scalability and user experience in this app would be to prioritize seamless playlist generation and smooth playback, ensuring a stress-free experience for your users. I have successfully delivered similar high-quality audio applications in the past, showcasing my ability to meet and exceed your expectations. I encourage you to reach out to discuss the roadmap for your Relaxation Music Therapy App. I am confident in my ability to bring your concept to life and deliver a polished product that meets your requirements. Let's connect and make your vision a reality.
$600 USD in 20 days
8.3
8.3

Hello, I've reviewed your project for the music therapy app. The core workflow involves a user selecting a mood, which triggers the system to generate a curated playlist by querying an audio library based on pre-assigned tags. The player then streams these tracks, pre-buffering the next one to ensure gapless playback. For offline use, the app will manage the download, storage, and retrieval of selected tracks locally. Technical approach: I recommend Flutter for a single, performant codebase. A lightweight Node.js or Spring Boot backend will manage users, track metadata, and mood-to-track mappings via a REST API. Audio files would be hosted on a CDN like AWS S3 for fast streaming, and we'll use a robust audio library like just_audio to handle background playback and pre-caching. Core modules: - Mood-to-Playlist Engine: Fetches and assembles track lists based on user mood selection. - Gapless Audio Player: Manages streaming, background controls, and pre-caches the upcoming track. - Offline Content Manager: Handles download queues, secure local storage, and playback without a connection. Relevant systems: - Nivue (AI Mood App): An AI-driven wellness app we built with mood tracking and personalized support. - GrowOn Daily (Bible App): Features extensive audiobook narration and audio playback functionality, similar to your core requirement. I would begin by developing the backend API and the core audio streaming player to perfect the listening experience. Next, I'll build the playlist generation logic, followed by the offline download module. We'll use a clean Git workflow with frequent pushes to your repo for full transparency. Regards, Rohit
$250 USD in 40 days
8.1
8.1

Hi, I can do in your budget and start from now so ping me on chat to discuss your project in detail then we will move forward, I understand you need a cross-platform music therapy application that helps users manage stress through personalized sound experiences, and I can build a smooth, scalable mobile app with a strong foundation for future wellness features. I can develop the app with mood-based playlist generation, seamless audio streaming and offline playback, clean navigation, and a flexible architecture that allows adding guided meditation, sleep tracking, and other modules later. I will ensure smooth track transitions, optimized performance, and a consistent user experience across both iOS and Android. I will use a modern scalable approach like React Native or Flutter based on your requirements, with clean component structures, maintainable code, proper documentation, and complete source delivery. The project will include test builds through TestFlight and Google Play Console, private repository setup, and clear commit documentation for easy future maintenance. Please check out my profile to review my past projects and portfolio: https://www.freelancer.com/u/Hammadhassan21 I am available to start immediately. Ping me to discuss your preferred technology stack, Figma designs, and project roadmap so we can get started. Thanks.
$500 USD in 15 days
7.3
7.3

Your mood-based flow—user picks calm, focus or uplift and instantly gets a matching set that streams or downloads for offline play—is what I'd build first and get right. Gapless switching usually comes down to preloading the next track and crossfading at the buffer level, so I'd use react-native-track-player for playback and keep generation well under three seconds by tagging each track with mood metadata and building the playlist on-device instead of round-tripping a server. React Native makes sense here so iOS and Android share one codebase and match your Figma language exactly. I'd structure it in modular feature folders—audio, playlists, downloads now, with clean slots for guided meditations and sleep tracking later so adding them won't mean reworking navigation or data models. Offline through encrypted local storage, test builds pushed to TestFlight and Play Console, and concise commits to your private repo with a proper README since you'll maintain it. I've shipped cross-platform RN apps to both stores with real-time audio and streaming built in. One thing that shapes the whole architecture: are you supplying the track library and licensing, or should the app pull from a music/streaming API? That decides how offline downloads and mood-tagging get wired. Muhammad Saad
$440 USD in 14 days
7.0
7.0

This looks like a great fit, Hi, I will build your relaxation music therapy app in Flutter, delivering mood based playlist generation (calm, focus, uplift) with gapless audio playback and offline downloads, deployed via TestFlight and Google Play Console. The architecture will use modular navigation and data models so guided meditations or sleep tracking plug in cleanly later. On a recent audio streaming build, pre buffering the next track during playback eliminated audible gaps entirely. I will apply the same approach here. Questions: 1) Do you have the audio tracks ready, or will the app pull from a third party library like Freesound? 2) Should user mood selections persist between sessions to refine future playlists? Share the Figma files when ready and I will confirm the screen count and component structure that same day. Looking forward to your response. Best regards, Kamran
$286 USD in 10 days
7.5
7.5

Hi, I reviewed the project and your main goal is a Relaxation Music Therapy app that runs smoothly on iOS and Android, with mood-based playlists that stream or download for offline use. I'll build a scalable architecture with clean UI and flexible data models so future modules like guided meditations or sleep tracking can be added. The mood selector will instantly generate playlists within three seconds, with smooth track transitions and offline support. I’ll apply best practices from iOS Development and Mobile App Development, and use Objective C where native modules help stability and performance. You’ll get timely delivery, clean code, clear README, and responsive collaboration. Let’s discuss here now.
$250 USD in 30 days
7.0
7.0

Hello, I have 10 years of experience building high-quality mobile applications with a focus on performance, scalability, and user experience. For your music therapy app, I recommend React Native for iOS and Android with a Node.js backend and PostgreSQL, providing a solid foundation for future features such as guided meditations, sleep tracking, and personalized wellness content. I will design a modular architecture that supports seamless audio streaming, offline playback, fast playlist generation, and a consistent UI across both platforms. The application will follow clean coding standards, secure API integration, responsive performance, and maintainable component structures, with comprehensive documentation and Git-based development throughout. I would be glad to discuss your vision and the best technical approach to bring your app to life. Best regards
$250 USD in 7 days
7.0
7.0

<<<< Cross-Platform Music Therapy App >>>> I can develop a modern, scalable music therapy app for iOS and Android with smooth audio playback and a future ready architecture. Approach: → Build a cross platform app with mood-based playlists, seamless streaming, and offline playback. → Develop a scalable architecture for future features like meditation, sleep tracking, and wellness modules. → Optimize performance, authentication, and consistent UI/UX across iOS and Android. → Deliver a production ready app, documentation, deployment support, and handover. Flow: Planning → Development → Testing → Deployment & Handover Let's connect Thanks.
$580 USD in 20 days
7.3
7.3

Hi there, I hope this message finds you well. I’m excited about the opportunity to bring your Relaxation Music Therapy App to life. With extensive experience in mobile app development and a keen focus on wellness tech, I am confident in delivering a smooth, engaging user experience across both iOS and Android platforms. Your vision of creating customizable music playlists to aid relaxation and stress management resonates with my previous work in audio and meditation apps. I have a strong background in using React Native and Flutter for cross-platform development, ensuring fast and stable builds. Additionally, my expertise in Swift and Kotlin allows for flexible architecture, accommodating future enhancements like guided meditations or sleep tracking. I understand the importance of seamless audio playback and rapid playlist generation. I’ll ensure a consistent design language, leveraging your Figma mock-ups to create an intuitive UI. The app will be tested thoroughly on mid-range devices to meet your performance standards. I am committed to delivering clean, maintainable code with detailed documentation, ensuring you can easily manage the project post-launch. I would love to share examples of my previous work in similar domains to give you a sense of my capabilities. Let’s collaborate to create a transformative tool that enhances everyday well-being. Best Regards,
$500 USD in 10 days
6.5
6.5

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with Flutter, Android, iOS, React, Node.js, and APIs. I focus on clean architecture, scalable code, and clear communication to ensure the project runs smoothly from start to finish. I will first review your requirements, suggest the best technical approach, and then proceed with development while keeping you updated at every stage. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: What specific audio features or integrations are you considering for future updates? 1. Do you need this for mobile, web, or both? 2. Do you already have UI/UX designs or should we create them? 3. Will there be any third-party API or payment gateway integration? 4. What is your expected timeline for completion? 5. Are there any reference apps or websites you like? Let’s discuss over chat! Regards, Arpit Jaiswal
$250 USD in 21 days
7.5
7.5

Hey, i will build your cross-platform music therapy app for iOS and Android with personalized mood-based playlists, seamless streaming and offline playback, and a clean, scalable architecture that supports future features like guided meditation, sleep tracking, and additional wellness modules without major restructuring. I have strong experience developing high-quality mobile applications with a focus on performance, maintainable code, and user experience. I’ll ensure smooth gapless audio playback, fast playlist generation, a consistent UI across both platforms, successful TestFlight and Google Play deployments, and well-documented source code with clean Git commits for easy future maintenance. Do you already have the music content and streaming API, or would you like me to recommend and integrate the best solution for your app? Portfolio: https://www.freelancer.pk/u/zainalitariq245 I’d be happy to discuss your vision in detail and help turn it into a polished, scalable product that’s ready for launch and future expansion. Best Regards: Zain Ali
$300 USD in 10 days
6.4
6.4

Hi there, Hope you are doing well I'd love to help build your Relaxation Music Therapy App. We have experience developing cross-platform mobile applications with audio streaming, offline media, personalized user experiences, and scalable architectures designed for future feature expansion. Key Features User Registration & Secure Login Personalized User Profile Mood-Based Music Playlists (Calm, Focus, Sleep, Relax, Uplift, Meditation) AI-Based Music Recommendations (Optional) High-Quality Audio Streaming Offline Music Downloads Gapless Audio Playback Playlist Creation & Favorites Recently Played & Listening History Search Music, Artists & Categories Sleep Timer Background Audio Playback Lock Screen & Media Controls Chromecast / AirPlay Support (Optional) Recommended Tech Stack Mobile: Flutter Backend: Node.js (NestJS) Database: PostgreSQL Storage: AWS S3 / Firebase Storage Authentication: Firebase Auth / JWT Audio Streaming: HLS / Native Audio APIs Notifications: Firebase Cloud Messaging (FCM) Cloud: AWS Looking forward to discussing your project. Thanks & Regards, Dheeraj K
$250 USD in 7 days
7.0
7.0

Hi There!!! ★★★★ (Build a scalable cross-platform music therapy app with seamless audio playback, personalized playlists, and future-ready architecture.) ★★★★ I carefully read your project and understand you need a polished iOS and Android app that delivers personalized music playlists based on users' moods. The app should provide smooth streaming, optional offline playback, clean architecture, and be ready for future features like meditation and sleep tracking. ⚜ Cross-platform mobile app development ⚜ Personalized mood-based playlists ⚜ Audio streaming & offline playback ⚜ Scalable app architecture ⚜ Clean UI with Figma implementation ⚜ TestFlight & Google Play deployment ⚜ Well-documented source code & Git workflow I have experience building high-performance Flutter and React Native applications with scalable backends and clean, maintainable code. I'll focus on gapless audio playback, fast playlist generation, intuitive navigation, and a flexible architecture that makes future modules easy to add. Every feature will be thoroughly tested to ensure a smooth user experiance across both platforms. I'd love to discuss your vision and the best technical approach for your first release. Warm Regards, Farhin B.
$256 USD in 10 days
6.7
6.7

Absolutely, let’s turn this relaxation + music therapy concept into a polished cross‑platform app that feels seamless on both iOS and Android. I’ll design the architecture up front so you can drop in guided meditations and sleep tracking later without rewiring everything. Plan for release 1: - Mood → playlist generation with instant playback, supporting streaming and offline download. - No audible gaps during track switching (gapless-style approach, preloading/buffering strategy, and consistent audio pipeline). - Performance target: playlist generation under 3 seconds on a mid‑range device. - Shared design language across platforms following your Figma once provided. - Clean code structure (straightforward component naming), navigation ready for future modules, and data models that support expansions. - CI/test builds for TestFlight and Google Play Console; source pushed to your private Git with concise commit messages. Where I’ll place your Charming question: Which mood-to-track logic do you envision first (curated rules, AI-style recommendations, or simple tag mapping), and do you already have an initial track catalog? in the build flow so we match your expectations from day one.
$650 USD in 8 days
5.9
5.9

Hello Client, Greeting of the day!!!! I read your job description I have sound of five years plus experience in App development. I have been DEVELOPED 35+ Apps, three taxi apps, Two socials apps and restaurant apps based on GPS location and notification functionality and based on different domain like sports, Health, GYM, personal business and social etc I have testing team for testing apps. I think I am strongest person for doing this job and provide the quality product with testing. I am always available for your support. Thanks Sr. Mobile Developer
$250 USD in 20 days
6.7
6.7

Hi there, Creating a seamless music-therapy app can be challenging, especially when ensuring smooth playback and fast playlist generation. These issues can disrupt user experience, but with my expertise in developing cross-platform apps using React Native, Flutter, and native technologies, I can deliver a high-performing and scalable solution tailored to your needs. Here are my questions: Which specific features do you envision for future expansions beyond the initial launch? Also, do you have a preference for any particular technology stack among the ones you've listed? Drop me a message so we can get started right away!
$450 USD in 21 days
5.9
5.9

Hello!, I am a Florida-based senior software engineer(frontend, backend, ecommerce, etc) with about 15 years of experience building production apps. I read your relaxation music therapy app description carefully and understand you want to turn the concept into a polished mobile app that feels calm, smooth, and reliable from the first screen. I’ve built cross-platform mobile apps with React Native and Flutter, plus native iOS/Android features when needed. My approach would be: 1) clarify the app flow and core therapy features 2) define the audio experience, UI mood, and content structure 3) build the MVP with clean playback, session logic, and settings 4) test thoroughly on iPhone and Android before release I’m the kind of person who pays attention to the small details others miss, because for an app like this, the experience is the product. If you want a polished app that feels trustworthy and genuinely relaxing, I can help you get there without overcomplicating it. Relevant work includes a wellness audio app, a guided meditation mobile app, a habit tracker with reminders, and a subscription-based content app. Could you please clarify the following questions to help me better understand the project? 1) Do you want this built in React Native, Flutter, or native iOS/Android? 2) Will users stream your own audio files, or should the app support offline downloads too? 3) Do you already have the branding, content, and session structure ready? If you want someone serious who
$600 USD in 3 days
6.0
6.0

Plano, United States
Member since Jul 17, 2026
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