Compare software

one sec vs ScreenZen: catalog facts
one sec	ScreenZen
Freemium Free to download, with optional paid features.	Free Free with no subscription, supported by donations.
Android, iOS	Android, iOS
Adds friction before opening chosen apps instead of only hard blocking Can also block websites	No subscription Blocks both apps and websites
Closed source Pricing for extra features is not detailed on the homepage	Closed source Phone only
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	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
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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