Chronal

Clean metronome & tuner with polyrhythms and notation editor.
AppID:dev.cognitivity.chronal
Author:cognitivity
License:CC0-1.0
Donation:Webpage
InRepoSince:2025-08-25
LastRepoUpdate:2026-02-24
LastAppUpdate:Unknown
LastVersion:1.0.1
Categories:Multimedia, Music Practice Tool
APK source:
Google Play:Check if it's there
icon 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 interruptions
Chronal 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)

Download Source Issues ChangeLog
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While you can download the APKs here directly, you should preferably use an F-Droid client so the app stays up-to-date on your device.

Packages

Version 1.0.1 (2026-02-24) no RB details available help icon

Android Versions:
  • Target: 16.0
  • MinVer: 6.0
  • ABIs: arm64-v8a, armeabi-v7a, x86, x86_64

Download (6.5 M)

Version 1.0.0 (2025-12-18) no RB details available help icon

Version 0.3.0 (2025-09-03) no RB details available help icon