Knock - knock&doodle app for iPhone and iPad

“Knock-knock!” Call your friends with a knock.

Enjoy easy, fun conversations with friends using the Knock app.
You may worry about blunt, abrupt text messages that may seem insincere or sometimes feel burdened by the need to make telephone calls.
At times like those, you can call your friends with a “knock-knock!” There are different knock shapes, or you can even send and receive pictures you drew or handwritten messages.
Enjoy pleasure that phone calls or text messages can’t replace.

- With friends -
Knock before you’re scheduled to meet your friends to remind them not to be late.
You can converse in hand-drawn pictures or handwritten text using the Doodle Chat feature.
You can enjoy conversations with your friends using different types of knocks or hand-drawn pictures rather than insincere answers like “ooh”, “?”. “!” or “haha”.

- With lovers -
Let your lover know you’re thinking about them when you wake up in the morning with a heart-shaped knock.
Send a cute knock when you’re curious about what they’re up to. It’s difficult to express your feelings in a text message, so show them with a loving hand drawing instead.

- At work -
When you want to have a coffee with your friends at work, send them a knock.
If you’re curious about something, “knock-knock” to call on your colleagues.
If they’re late for a required meeting, knock. Draw a picture by hand to send and receive opinions with information that’s difficult to explain by messenger.

Knocks potential uses are infinite.
Rather than expressing your feelings unnecessarily through text messages, send a “knock-knock” message to avoid unnecessary conversation.
It’s easy and fun to express your feelings with different types of knocks and simple hand pictures. This is the addictive appeal of Knock.