Knock2 app for iPhone and iPad

You can communicate with two taps only.

Receipt of the pictogram will be notified by the alert knocking tone.

No hassle with the communication. Simple pictograms help.

Sounds like primitive communication method such as cave paintings and signal fire? You will discover the new way of communication!

【How to use】
(1) Registration
Register your User ID with your email address and password.
Characters used for your User ID can be more than single-byte.
Email address registration helps you find your forgotten password.

(2) Profile
Let’s update your profile with a photo to help your friend find you easily.
You will be automatically registered on your friends’ contact list. There is no authorization step required.

(3) Friends List Administration
You can delete or block unknown contacts. Go to the gear (tool) button. As only pictogram is used for communication, the purpose of the communication is limited to decent subjects.

(4) You can check the messages at Notification or Message (from Menu).
Message List is automatically cleared every 24 hours. Only the number of communication is left.

【When to use?】
● Simple greetings, checking on aged parents
● Lunch or dinner invitation to colleagues
● To avoid complicated communication using texts.
● With very busy people
● For eccentric relationship / friendship