Works with any player
Spotify, YouTube Music, local players — Diminuendo detects the active media player via Notification Listener and sends it a standard pause command when the timer expires.
Sleep timer for any music player
Diminuendo
A sleep timer that pauses any Android music player when it is time to rest.
Diminuendo is a lightweight sleep timer for Android that works with Spotify, YouTube Music, and other media players. Choose a duration and the app pauses the active player when the timer ends. No account, ads, or tracking; your settings remain on the device.
Available for Android on GitHub.
Diminuendo
Highlights
Available for Android on GitHub.
Calm timer expiry
At expiry, the app detects the active player and sends a standard pause — no jarring interruptions, no manual action needed.
Local-first by design
Your settings stay on the device. No accounts, no cloud backend, no telemetry.
Lightweight and fast
Built with Kotlin and Jetpack Compose for minimal battery drain and smooth animations.
Accessibility first
Large tap targets, clear labels, and high contrast options ensure every user can set their timer easily.
Project notes