Get phone alerts for the sites you already check

Free, no account required. Download the Android APKs and turn website grades, header changes and TLS expiry signals into a pocket-sized control room.

From CI to mobile

Already using npx securl scan before releases? Save the same public targets in the apps below so certificate, header and posture drift alerts reach you outside the terminal.

S
SecURL

Scan and monitor websites, check a pasted link or QR code, or share a link from another Android app straight into SecURL before opening it.

Download APK v1.5.0 · 118.1 MB
SHA-256: 7d4143284b435dee8fab8605340081ba20cb3e0db3a4c1318419f9cec1baaa9e
H
Header Watch

Track HTTP security headers on the sites your pipeline protects and get notified the moment they change or weaken.

Download APK v1.2.1 · 93.6 MB
SHA-256: 6b8f1c16bdae2ef51d1b9702023426184831b09ab78a4b4987a6dce2ce6da54b
C
Cert Watch

Monitor TLS certificates and catch renewal, issuer and expiry changes before a website you rely on goes dark unexpectedly.

Download APK v1.2.1 · 93.7 MB
SHA-256: 00ac8477d0865b7ac13982951ec17c96717b5edfea03bb88356ffbbc1a6fb778

How to install

  1. Tap Download APK above. Your browser may warn that this type of file can harm your device — that's Android's standard sideload warning. Keep the file.
  2. Open the downloaded file. Android will ask to allow installs from your browser — tap Settings, enable Allow from this source, then go back.
  3. Tap Install, then Open. That's it.

Want to verify the file first? Each download lists a SHA-256 hash. On a Mac or Linux box run shasum -a 256 securl-1.5.0.apk and check it matches before installing. We publish these so you never have to trust the file blindly.

On iPhone or iPad? Get them on the App Store — SecURL · Header Watch · Cert Watch