LionPulse

LionTuner is a tuner + metronome + song speed trainer built for daily practice. Completely free, no ads. ■ Chromatic + 7 instruments Guitar, bass, ukulele, violin, viola, cello, mandolin presets, plus a chromatic mode for everything else. YIN-based pitch detection accurate to ±1 cent. ■ Metronome with custom sounds Per-beat strength control (accent / normal / soft / mute) for every sub-beat, up to 16th-note subdivisions. Import your own click samples from any audio file. ■ Song Speed Trainer (new) Import your own songs and slow them from 10% to 300% — the pitch stays the same. Automatic BPM detection, and an optional metronome click you can practise along with (choose the time signature, subdivision, and sound). Loops, and plays in the background. ■ Practice timer 5-minute to 1-hour sessions with an optional 5-second countdown, configurable loop count and rest gaps. Auto-starts and stops the metronome. ■ Background playback Look at your sheet music in another app while the metronome/song keeps playing. Control it from the Lock Screen, Control Center, or paired headphones. Privacy: all audio is processed on your device and never uploaded.