Kotatsu vs Virtuosity
Side-by-side comparison of two open source alternatives
Kotatsu
Kotatsu is a free and open source manga reader for Android. **Main Features:** - Online manga catalogs (with 1100+ manga sources) - Search manga by name, genres, and more filters - Favorites organized by user-defined categories - Reading history, bookmarks, and incognito mode support - Download manga and read it offline. Third-party CBZ archives are also supported - Clean and convenient Material You UI, optimized for phones, tablets, and desktop - Standard and Webtoon-optimized customizable reader, gesture support on reading interface - Notifications about new chapters with updates feed, manga recommendations (with filters) - Integration with manga tracking services: Shikimori, AniList, MyAnimeList, Kitsu - Password / fingerprint-protected access to the app - Automatically sync app data with other devices on the same account - Support for older devices running Android 5+
Virtuosity
Virtuosity helps you organize and track your music practice, allowing you to your reach musical goals faster. Organize Create routines of the exercises you wish to practice. Practice Stay focused while practicing with a built in timer. Measure View logs of your previous practice sessions, as well as detailed graphs showing your performance (BPM) over time. Offline, ad-free, and open source No advertisements, annoying notifications, intrusive permissions, or trackers in this app. Your data is yours. The complete source code is available under an open-source license (GPLv3).
| Feature | Kotatsu | Virtuosity |
|---|---|---|
| License | GPL-3.0-or-later | GPL-3.0-or-later |
| Install sources | F-DroidGitHub | F-DroidGitHub |
| Categories | NotesMedia PlayerEbook ReaderVideo | MusicNotesProductivityMedia PlayerVideo |
| Features | Ad-FreeOpen SourceNo Tracking | Ad-FreeOpen SourceNo Tracking |
| Platforms | Android | Android |
| Website | ||
| Source code |