# Chronal – Metronome & Tuner > Clean metronome & tuner with polyrhythms, conductor mode, and notation editor. Canonical page: [https://chrome-stats.com/d/dev.cognitivity.chronal](https://chrome-stats.com/d/dev.cognitivity.chronal) ## Overview - **ID:** `dev.cognitivity.chronal` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** cognitivity - **Category:** MUSIC\_AND\_AUDIO - **Downloads:** 1,834 - **Version:** 1.1.2 - **Last updated:** 2026-06-24 - **First published:** 2025-12-16 - **Publisher country:** US - **Size:** 14 MB - **Data as of:** 2026-09-04 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=dev.cognitivity.chronal) - **Privacy policy:** [https://chronal.cognitivity.dev/privacy](https://chronal.cognitivity.dev/privacy) ## Description 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


β€’ Notation editor: Hear the rhythm that you see on the page.
β€’ Multiple synchronized metronomes: Layer independent rhythms for polyrhythms and advanced practice.
β€’ Beat & subdivision visualization: Clear visual indicators for beats and subdivisions.
β€’ Fullscreen mode: Focus on your music with large, easy-to-see visuals from a distance.
β€’ Conductor mode: Follow a visual conducting path to internalize timing.
β€’ Real-time BPM detection: Detect the tempo of percussion patterns straight from your microphone.

🎸 Tuner Features


β€’ Transpose for any instrument: Tune guitar, strings, and wind instruments with precision.
β€’ Custom tuning frequency: Adjust the reference pitch (A4) to any frequency you prefer.
β€’ Tuner graph: Visualize your pitch stability and accuracy in real time.
β€’ 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. ## Rankings - #972,750 β€” Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.FOREGROUND_SERVICE_MICROPHONE` - `android.permission.POST_NOTIFICATIONS` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.RECORD_AUDIO` - `android.permission.SCHEDULE_EXACT_ALARM` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `dev.cognitivity.chronal.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Metronome β€” Tuner & Recorder](https://chrome-stats.com/d/com.purehero.metronome) β€” 1 users - [Metronome and Tuner](https://chrome-stats.com/d/com.wanstudios.pocketmetronome) β€” 26 users - [Bmetronome: Metronome & Tuner](https://chrome-stats.com/d/com.owlmakers.bmetronome) β€” 97 users - [Metronome & Tuner](https://chrome-stats.com/d/org.sdklabs.musiciantools) β€” 51 users - [RhythmRoot: Metronome & Tuner](https://chrome-stats.com/d/com.sycamorehillstudios.rhythmroot) β€” 36 users - [Pro Metronome](https://chrome-stats.com/d/com.andysoft.prometronome) β€” 96 users - [Steady: Metronome & Tuner](https://chrome-stats.com/d/com.danielodea.steady) β€” 39 users - [Metromaestro Afinador-Metronom](https://chrome-stats.com/d/jomanez1.github.io.twa) β€” 63 users - [MetroTune - Metronome (Tuneit)](https://chrome-stats.com/d/com.radiant.metrotune) β€” 18 users - [ttuner: Tuner & Metronome](https://chrome-stats.com/d/com.ttuner.app) β€” 522 users - [LionPulse](https://chrome-stats.com/d/net.lionsheart.liontuner) β€” 12 users - [MetrΓ΄nomo & Tuner Master](https://chrome-stats.com/d/com.vitorinoapps.metronomemaster) β€” 53 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/dev.cognitivity.chronal)