1: Select your country

2a: Retrieve your details

If you already registered, login here to load your details. Make sure you've selected your country above.

Username

Password

2b: Register your details

Otherwise, register your details here. Make sure you've selected your country above.

Name

Email

Include area code but not country code, with no dashes or spaces. You can use a landline or mobile.
Phone

Gender
Age
Username

Password

3: Add or change your friend's details

Friend 1

Phone

Gender
Age
Friend 2

Phone

Gender
Age

4: Select the times when you and your friends will be free

Hold down control (mac: command) to select multiple values.

Timezone:

5: If you've been given a group name...

Group


After you click "Begin Experiment", you will receive up to six calls during the time slots you have chosen. You will receive confirmation of your chosen times by SMS.