ThoughtRot

Answer a question.
Unlock your apps.

ThoughtRot locks the apps and websites you choose. To open one, you answer a question for the test you're studying for: the SAT or the ACT. Every time you reach for your phone, you get a little closer to your target score.

Download on the App Store

Try it

This is the same quick preview you see when you first open the app.

  1. Open an app
  2. Answer one question
  3. It unlocks

You open an app...

Tap to open

How it works

You choose what gets locked. Any app or website, like TikTok, Instagram or YouTube.

You choose the rules. How many questions an unlock takes, and how long it lasts.

SAT or ACT. Real test-style practice in every subject, from easy to hard.

See what to fix. Diagnostics show your weak spots and where your time goes.

ThoughtRot is for iPhone. Screen Time data stays on your phone.