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SPECIFICTION
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Chronal

github.com

Free plan Android
Visit github.com
Spec score 8.6 #3 of 26 in Metronome Apps

What it is

Chronal is an Android metronome and tuner app for beginner and advanced musicians. Its timing tools include beat and subdivision visualization, tap tempo, custom time signatures, and an editor for creating rhythms. Two synchronized metronomes support polyrhythms, and conductor mode combines metronome and tuner functions. The app includes seven sound packs and can play audio files at custom tempos. A fullscreen mode uses large visuals intended to be visible from a distance. The tuner supports transposition for any instrument and tuning to a custom frequency. It can detect BPM from percussion through the microphone in real time, and provides an A4 reference tone with adjustable frequency. Chronal is ad-free, open source, and funded by donations. It is available through F-Droid and Google Play, with source code on GitHub. The listed F-Droid version requires Android 6.0 or newer. F-Droid lists microphone permission for use while the app is in use, while Google Play reports that the developer declares no data collection or sharing. Chronal is free; the product pages provide no stated support channel.

Spec sheet

What it does
Chronal is an ad-free metronome and tuner for musicians of all levels.Read 7 Oct 2026 · f-droid.org
Product
Chronal is a metronome and tuner app for Android made for beginner and advanced musicians.Read 7 Oct 2026 · github.com
Audience
The maker describes Chronal as built for beginner and advanced musicians.Read 7 Oct 2026 · github.com
Integrations
The product pages opened list no third-party integrations.Read 7 Oct 2026 · github.com
Support
Google Play lists [email protected] as the app support email.Read 7 Oct 2026 · play.google.com
License
The F-Droid listing identifies the app license as Creative Commons Zero v1.0 Universal.Read 7 Oct 2026 · f-droid.org
Ads and funding
The app listing says Chronal is ad-free, open-source, and funded solely by donations.Read 7 Oct 2026 · f-droid.org
Android support
The listed F-Droid version requires Android 6.0 or newer and provides builds for arm64-v8a, armeabi-v7a, x86, and x86_64.Read 7 Oct 2026 · f-droid.org
Audio playback
Users can play audio files at custom tempos.Read 7 Oct 2026 · github.com
Availability
Chronal is available through F-Droid and Google Play, and the maker publishes source code on GitHub.Read 7 Oct 2026 · github.com
Beat visualization
The metronome includes beat visualization.Read 7 Oct 2026 · github.com
BPM detection
The tuner provides real-time BPM detection from the microphone.Read 7 Oct 2026 · github.com
Conductor mode
Conductor mode combines the metronome and tuner.Read 7 Oct 2026 · github.com
Custom rhythms
A notation editor lets users create custom rhythms.Read 7 Oct 2026 · github.com
Distribution caveat
F-Droid notes that directly installing its APK will not provide update notifications and recommends installing its client instead.Read 7 Oct 2026 · f-droid.org
Fullscreen display
A fullscreen mode provides large visuals intended to be visible from a distance.Read 7 Oct 2026 · f-droid.org
Maker profile
The GitHub maker profile lists New Hampshire.Read 7 Oct 2026 · github.com
Microphone permission
F-Droid lists audio recording permission and says the app can use the microphone while it is in use.Read 7 Oct 2026 · f-droid.org
Polyrhythms
It supports two synchronized metronomes for polyrhythms.Read 7 Oct 2026 · github.com
Pricing
The product pages opened do not state a price or subscription plan.Read 7 Oct 2026 · github.com
Privacy disclosure
Google Play reports that the developer declares no data collected and no data shared with third parties.Read 7 Oct 2026 · play.google.com
Reference tone
The app provides an A4 reference tone and custom A4 frequencies.Read 7 Oct 2026 · github.com
Rhythm tools
It offers a notation editor, synchronized metronomes for polyrhythms, beat and subdivision visualization, and conductor mode.Read 7 Oct 2026 · f-droid.org
Sound packs
The app includes seven custom sound packs.Read 7 Oct 2026 · github.com
Tempo detection
It can detect the tempo of percussion patterns using the microphone in real time.Read 7 Oct 2026 · f-droid.org
Tuner
The tuner supports instrument transposition, custom A4 reference frequencies, a pitch graph, and reference tones.Read 7 Oct 2026 · f-droid.org

Plans and prices

Chronal Free Free app; ad-free; donation-funded Read 7 Oct 2026 · f-droid.org

Every Chronal plan and price →

Strong points and limits

Strong points

  • Supports custom time signatures and rhythm creation.
  • Two synchronized metronomes handle polyrhythms.
  • Tuner supports instrument transposition and custom frequencies.
  • Ad-free and funded by donations.

Limits

  • Listed platform is Android only.
  • F-Droid APK installation does not provide update notifications.
  • F-Droid lists microphone permission for use while active.

Who it suits

Chronal suits musicians who want metronome and tuning tools on Android, from basic beat keeping to custom rhythms and polyrhythms. Its instrument transposition and custom-frequency tuning also suit musicians who need adjustable pitch references.

Verdict

Chronal brings timing, rhythm editing, and tuning tools into one free Android app. Users installing directly from F-Droid should note its update-notification caveat.

Where Specifiction places it

Alternatives to ChronalAll alternatives →