Lumina Chronos

A free, focused Pomodoro timer for Android. No accounts. Supported by a small banner ad on every third round.

What it does

Color-band progress ring — green flow, yellow Slow Down, red Finish.
Final-5-second audible ticks so you can finish a thought without staring at the screen.
Home-screen widget with play, pause, stop, reset, settings, and quotes — backed by a foreground service so it stays accurate while you focus.
Daily Spark — built-in focus quotes between sessions.
Pause on minimize, configurable durations, rounds, volume, vibration, auto-start, orientation.
Free, with light ads — one banner at the top of the timer, only on every third round. The widget never shows ads. Privacy policy.

Screenshots

Ready
Run — green flow
Slow Down
Finish
Short break
Long break
Daily Spark
Settings

Requirements

Android 8.0 (API 26) or newer
Phone with a vibration motor recommended for haptic cues

Privacy

The app has no accounts or analytics, and all settings are stored locally on the device. Ads are provided by Google AdMob, which may collect data as described in the full privacy policy.