SENTINEL PRIVACY ← Back to site

Free Download

Sentinel is free for the public.

No cost. No subscription. No paywall. Download the APK, install on your rooted Android device, and you're done. Android developers are invited to read, fork, and build better things on top of it.

Sentinel · Full Protection

Free

Open to the public · Device-bound activation · Lifetime updates · Developer-friendly

⏱ Manual activation issue

Activations are signed offline on a private machine. Allow up to 24 hours.

Step 1 · Install

Don't have your device ID yet?

Install Sentinel on your Android phone first. Open the app → Settings → Device ID and copy the 64-character string into the form.

Sentinel requires a rooted device with Magisk. The Magisk zip is included with the package.

Buyer name

Buyer email

Phone model (optional)

Order ID

Device ID64 lowercase hex characters

Trims spaces and hyphens automatically.

Plan

Free lifetime activation — permanent.

I understand Sentinel requires rooted Android with Magisk for full protection.I understand the license is device-bound and cannot be copied to another phone.

No license is generated in the browser.

Sentinel is a defensive privacy hardening tool. It detects indicators and reduces attack surface; it cannot guarantee detection of every carrier-level, forensic, spyware, or physical-access technique.