Opal is the best-known screen-time app on iPhone. Time Debt takes a different approach: instead of only blocking, it lets you borrow a few minutes from tomorrow — on purpose, with the cost shown before you confirm.
Written by the makers of Time Debt. We've tried to be fair — check the sources below.Choose Opal if: You want a polished, cross-platform blocker with deep analytics and don't mind a subscription.
Choose Time Debt if: You keep breaking strict blocks, want flexibility that still has a cost, and prefer no account.
Time Debt is free to download, with optional in-app purchases for extra features. Prices for other apps change often and vary by country — check the store before you subscribe.
Borrow ten extra minutes today, and tomorrow's screen-time allowance starts ten minutes shorter.
Get it on the App StoreFacts about other apps were checked against these sources in November 2026. Product names belong to their owners; this page is not affiliated with or endorsed by them.