Compare software

TimeLimit.ioCurbox
Free

Open source under GPL-3.0 and available through F-Droid.

 Free

Free and open source under the GPL 3.0 or later.

Android Android
  • Per-category allowed time windows
  • Daily usage duration limits
  • Blocks Reels and Shorts without blocking the whole app
  • Wide choice of unlock challenges, including NFC and QR codes
  • Android only
  • Homepage gives little detail about features
  • Android only
  • Self-imposed limits can still be worked around by a determined user
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0-only License: GPL-3.0-or-later
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 2, 2026

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