sunblock
app blocker for iphone

go outside.then scroll.

Your apps lock at midnight. Two minutes of real daylight — verified by your camera — opens them back up.

free to try · iOS 17+ · nothing leaves your phone
Detecting daylightCancel
0:36Remaining
Hold your phone up to the open sky
9,553luxBright daylight ✓
verified, live
9,412lux
bright daylight ✓

verified, not vibes.

The camera's light meter reads the sky in lux. A lamp won't cut it, and neither will the honor system.

threshold 1,400 lux · goal 120 sec · resets 00:00

verified, not vibes

the camera's light meter reads the sky in lux. a lamp won't beat it, and neither will the honor system.

nothing leaves your phone

no account, no network. iOS Screen Time does the locking, and the camera never takes a photo.

one deal a day

two minutes buys the whole day back. at midnight the apps lock again — and the sun asks tomorrow.