... just block a list of websites. I find that blocklists are too "blunt", for example, I could genuinely be using YouTube to research something, but a blocklist sees " youtube.com " and immediately blocks it. I built an app called  Zenit . It's a completely free app that uses your on-device Apple Intelligence to understand what's happening on your screen to determine if it's related to your goal or not. You start a session and describe what ... ... working on (e.g. "finish my biology revision" or "finish testing the app"). Zenit