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Paranoid's Pal

Lock your phone the moment the screen goes off

⭐ 93 GitHub stars 📜 GPL-3.0 Privacy & Security

Made by hardalgorithm · free & open source ✅

Version v1.1.9 · 5.0 MB · updated 13 months ago

This comes straight from Paranoid's Pal’s own GitHub page — it’s free. Need help installing? →

What it looks like

About this app

Most phones wait a while after the screen goes dark before they really lock, which is plenty of time for someone to pick yours up and swipe straight back in. Paranoid's Pal closes that gap: the screen turns off and the phone is locked, right away.

When you need it locked this second, a quick shake does it. There is also a tile for the Quick Settings panel and a home screen shortcut, so it is never more than one tap away. The app works entirely offline with no account and no internet connection, and nothing about you leaves the phone.

It makes your existing lock happen sooner rather than replacing it, so you still need a PIN, pattern or fingerprint set up on the phone.

From the app’s home page

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Last worked on 13 months ago · Listed here since 2026 · info updated 2 hours ago

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