Guides
How to block apps, set limits and spend less time on your phone, step by step. With what your phone already has first, then with Paradox.
- A free app blocker for Android, with no ads
Block TikTok, Instagram, YouTube or any app on Android for free, with no ads. The built-in way, where it falls short, and an app that holds the line.
- How to block TikTok on iPhone and Android
How to block or limit TikTok on iPhone and Android: Screen Time, Digital Wellbeing, TikTok's own limit, and why a limit you can ignore rarely works.
- How to block Instagram on iPhone and Android
How to block or limit Instagram on iPhone and Android, why Instagram's own time limit often doesn't work, and a free app blocker that adds real friction.
- How to stop doomscrolling
How to stop doomscrolling, at night and during the day: eight practical changes that work, the built-in phone tools, and a free app blocker that helps.
- An Opal alternative that's free, and on Android too
Looking for an Opal alternative? Paradox is a free app blocker for iPhone and Android with no ads. What Opal does well, and where Paradox is different.
- App blockers compared (2026)
Paradox, Opal, one sec, ScreenZen, AppBlock and the built-in tools compared: platforms, free tier, ads, websites and what each one is best at.
- How to block apps on Samsung and Xiaomi phones
Block apps on a Samsung Galaxy or a Xiaomi, Redmi or POCO phone: the built-in app timers step by step, and why app blockers stop working on Xiaomi.
- Free app blocker for iPhone
How to block apps on iPhone for free: Screen Time App Limits and Downtime step by step, where they fall short, and Paradox, a free app blocker with no ads.
- How to block websites on your phone
How to block websites on iPhone and Android for free: Screen Time's Never Allow list, what Android and Chrome can and can't do, and a free blocker app.