Get it on F-Droid View on GitHub View on GitLab

Ripple is a “panic button” that can send it’s trigger message to any app that is a “panic responder”. Such apps can do things like lock, disguise themselves, delete private data, send an emergency message, and more. It is meant for situations where there is time to react, but where users need to be sure it is not mistakenly set off.

This is a BETA version of this app! We are working now to add support to as many other apps as possible. ChatSecure, Orweb, Umbrella, and Zom already have support, these apps are coming soon: Courier, PanicButton, OpenKeychain, Orfox, SMSSecure, StoryMaker.

Here are two example scenarios:

This project was started as part of the T2 Panic work. Read more about it here:

Don’t see your language? Join us and help translate the app:

Learn More

★ ABOUT US: Guardian Project is a group of developers that make secure mobile apps and open-source code for a better tomorrow
★ FREE SOFTWARE: Ripple is free software. You can take a look at our source code, or contribute to help make Ripple even better:
★ MESSAGE US: Are we missing your favorite feature? Found an annoying bug? Please tell us! We’d love to hear from you. Send us an email: or find us in our chat room