simpmusic

SimpMusic is a free and open-source (FOSS) YouTube Music client designed for Android and Desktop platforms, developed using Kotlin and Compose Multiplatform. The app serves as a specialized third-party client that parses publicly available YouTube and YouTube Music content, rendering it in a custom user interface without advertisements. Key features include: - Ad-free music streaming from YouTube Music and YouTube, with background playback support - Three Now Playing screen styles: Classic, Material 3 Expressive, and Apple Music - Ten-band equalizer with presets, AutoEq headphone profiles, and Delay/Reverb effects - SimpMusic Wrapped for yearly music summaries and monthly recap playlists - On-device listening analytics with charts, period history, and listening clock - Word-by-word Apple Music-style lyrics with romanization for 12 languages and image sharing - Home screen widgets including turntable, playlists, and listening insights - High-quality streaming up to 256kbps (Opus or AAC) for YouTube Music Premium users - Browsing capabilities for Home, Charts, Podcasts, Moods & Genre with YouTube Music data - Full YouTube search functionality - Spotify Canvas and Animated Album Art support - 1080p video playback with subtitles - AI-powered song suggestions - Playlist import from Spotify and other apps, with YouTube Music sync - Artist follow notifications - Caching and offline playback - DJ-style crossfade similar to Apple Music - Customizable themes (Light, Dark, Color, etc.) - Synced lyrics from SimpMusic Lyrics, LRCLIB, Spotify, and YouTube Transcript with AI translation - Multi-YouTube-account support and personalized data - Last.fm scrobbling integration - SponsorBlock and Return YouTube Dislike support - Sleep timer - Android Auto compatibility with online content - Discord Rich Presence - Listen Together feature for synchronized shared listening rooms The app uses hidden APIs from YouTube Music with custom tricks to retrieve data, leveraging techniques inspired by InnerTune and SmartTube projects. Lyrics data comes from SimpMusic Lyrics and LRCLIB, with optional Spotify integration for Canvas and lyrics. Privacy-wise, the FOSS version contains no trackers or third-party data collection servers. Users who enable 'Send back to Google' feature allow listening history to be sent to YouTube Music Tracking API for better recommendations. The Full version includes Sentry crash analytics, while the FOSS version does not collect crash data. Desktop support includes Windows (.msix), macOS (.dmg), and Linux (.AppImage) distributions. Some Linux distributions may have stability issues due to upstream JetBrains problems, and ARM64 users on Windows/Linux should use x64 builds. The project follows clean architecture and MVVM patterns, with contributions welcome through issues and pull requests. Translations are managed via Crowdin. The project is sponsored by Crowdin, Sentry, and previously Vercel OSS Program, with testing support from BrowserStack. Legal disclaimer emphasizes the app is strictly non-commercial, acts as a custom browser with content filtering, encourages YouTube Premium subscriptions to support creators, and does not host copyrighted material. Users are responsible for complying with local copyright laws.