Compare software

Plees TrackerShutEye
Free

Free and open source under the MIT license.

 Freemium

Free to download; the research does not detail paid features.

Android Android, iOS
  • No battery drain while you sleep
  • Stores past sleeps and shows the daily average
  • Sleep tracking with just a phone
  • Sleep sounds and stories built in
  • Manual start and stop only, no sensor-based sleep analysis
  • Android only
  • Phone-based tracking is less precise than dedicated sleep hardware
  • Marketing-heavy site with few details on paid features
Downloadable app Downloadable app
Open source Closed source
License: MIT License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.