Listen to your iPod collections at 0.5X - 2.5X speed. Supports multitasking, remote controller. Study mode(A/B repeat, quick rewind/forward), sleep timer. * Save time listening to podcasts and audiobooks. Play at any speed using a slider! * Study mode helps you learn more effectively. * Sleep timer can save your battery while you sleep. SpeedUp Player features: - Variable speed playback: 0.5X(half speed) - 2.5X (0.1X interval) - Preserve pitch(tone) while changing playback speed. - Play directly from your iPod collection. - Play from app's Documents folder. (Wi-Fi file transfer is possible) - Customizable gestures to access most features. - Configurable quick rewind/forward buttons. 4 buttons can be set individually. - Full multitasking support. - Remote controller support. - Sleep timer (pause after 10/20/30/60/120 minutes) - A/B repeat : repeat interval using simple button press - bookmark: save bookmarks with comments. A/B repeat section can be bookmarked. - reads chapter information. - Extremely fast iPod library browsing (disk+memory based cache) - Browse by album/artist/songs/playlists/podcasts - Simple playlist - Pause/resume on phone call(audio interruption). - Pause when headphone is unplugged. - Music tracks can be set to be played at 1X. - UI supports light/dark theme. - supports CarPlay. Limitations: - video tracks are not supported. - does not support DRM protected files.