• CoolApp installed on your Android phone or iOS device.
• CoolApp uses your existing phone number.
• The number must be able to receive an insecure SMS or phone call.
• Do not share this verification code with anyone. CoolApp will never ask for this code.

What will other people see when I message or call them?

• Your registered CoolApp number.
• Your CoolApp profile name and image.
• Note: Changing SIM cards does not automatically change your CoolApp number.

To register a number

1. Install and open the latest update of CoolApp on your Android or iOS device.
2. Review Terms & Conditions and tap Continue to accept the terms.
3. Enter and confirm your phone number.
4. Tap Continue (on Android) or Next (on iOS).
5. Tap “OK” to confirm your phone number.
6. Wait for the SMS verification code to arrive. Alternatively, you can request a verification call if you can not receive SMS. After the timer finishes counting down, tap Call me.
7. If the verification code is not automatically detected, it can be entered manually.
8. Follow the on-screen instructions to complete the onboarding process.

Having issues registering? Follow these troubleshooting steps.

Learn how to start a message or how to start a voice or video call.