LionPulse

LionPulse is a full-featured metronome and chromatic tuner designed for musicians who practice every day. No ads, no subscriptions, no paywalls.

METRONOME
• BPM 20–300 with slider or dial
• Time signatures 1/4 to 8/4
• Quarter, eighth, triplet, and 16th-note subdivisions
• Per-beat accent control (Accent / Normal / Soft / Mute) for every sub-beat
• Tap Tempo
• Import custom click sounds from any audio file, record with the microphone, and trim to the perfect length
• Background playback — the beat keeps going while you use another app
• Lock Screen + notification controls + Bluetooth headphone support

PRACTICE TIMER
• 5 minutes to 1 hour
• 5-second countdown option
• Loop mode with configurable rest gaps between sets
• Auto-starts and stops the metronome

CHROMATIC TUNER
• YIN-based pitch detection accurate to ±1 cent
• Guitar, Bass, Ukulele, Violin, Viola, Cello, Mandolin presets + Chromatic mode
• Adjustable A4 reference (410–490 Hz)
• Reference tone playback

CUSTOMIZE
• Light / Dark / System theme
• Custom accent color
• English and Traditional Chinese
• Keep screen on

Previously known as LionTuner · 獅子調音器