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Clearspace vs ScreenZen: catalog facts
Clearspace	ScreenZen
Freemium Free to download; check the app stores for current plan details.	Free Free with no subscription, supported by donations.
Android, iOS, Browser extension	Android, iOS
Adds a pause before opening distracting apps instead of only blocking them Available on iOS and Android	No subscription Blocks both apps and websites
Closed source Pricing details are not stated on the homepage	Closed source Phone only
Downloadable app, Browser extension	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.