Clean metronome & tuner with polyrhythms and notation editor.

Chronal is a powerful, ad-free metronome and tuner built for musicians of all levels.
Practice, rehearse, and perform with precise timing, advanced rhythm tools, and a chromatic tuner, all in one app.
🎵 Metronome Features•
Notation editor: Hear the rhythm that you see on the page.
•
Multiple synchronized metronomes: Layer independent rhythms for polyrhythms and advanced practice.
•
Beat & subdivision visualization: Clear visual indicators for beats and subdivisions.
•
Fullscreen mode: Focus on your music with large, easy-to-see visuals from a distance.
•
Conductor mode: Follow a visual conducting path to internalize timing.
•
Real-time BPM detection: Detect the tempo of percussion patterns straight from your microphone.
🎸 Tuner Features•
Transpose for any instrument: Tune guitar, strings, and wind instruments with precision.
•
Custom tuning frequency: Adjust the reference pitch (A4) to any frequency you prefer.
•
Tuner graph: Visualize your pitch stability and accuracy in real time.
•
Reference tones: Generate reference tones to tune by ear.
🎷 No ads, no interruptionsChronal is completely ad-free and distraction-free. Practice and perform without any distractions or annoying pop-ups. The app is completely open-source and is funded solely by generous donations.
WhatsNew:
# v1.0.1
• Moved metronome to sample-based alignment
• Reworked and reorganized settings menu
• Added gesture customization for the metronome
• Added practice reminders and notification controls
• Increased BPM limit (500 → 800)
• Fixed rhythm buttons not updating
• Fixed metronome playing ticks for rests
• Added changelog popup
• Added Czech translation (Petr Kadlec @mormegil-cz)
• Added French translation (@Minos2020)