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:2026-05-10
LastAppUpdate:Unknown
LastVersion:1.1.1
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:

# v1.1.1

• Improved note handling with the tuner.
• Added an automatic stop when the tuner widget is inactive to prevent background drain.
• Fixed various crashes in the advanced editor and tuner.
• Added a warning dialog when the tuner fails to fetch audio.

Download Source Issues ChangeLog
1.png 2.png 3.png 4.png 5.png 6.png 7.png
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 1.1.1 (2026-05-10) no RB details available help icon

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

Download (9.4 M)

Version 1.1.0 (2026-05-03) no RB details available help icon

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