Knock. Vibration Messenger app

Knock. the simplest & best messenger app for Android.

A world consisting of vibration

The world that we can communicate with each other by vibration / sketch

New Messenger App Knock

We don’t need your private information. Simple

Just input ID & Password, you are able to Login

Knock is a transaction to communicate whatever you want, to whoever you want to talk to

The new type of chat for a generation that does not have time to waste

Anytime, anywhere you can send the vibration to the other party!

Have a picture you want to show your friends?

Please pay attention to the potential growing service for the future. Thank you so much

What are you waiting for? Start Knock!

Knock Messenger app is very interesting! Thank you

We are looking forward to your review in App Store~ Please rate us :)