Your Signal contact list will show you who is already using the app. You can also invite your contacts to join Signal for a better messaging experience. Friends don't let friends chat insecurely!

Share https://signal.org/install or follow the invitation steps for your platform:

• Android
• iOS

Android

1. Open Signal.
2. Tap the Menu.
3. Tap Invite friends.
4. You can choose to share through another app or via an SMS invitation.
5. To share through another app, simply tap on its icon. A draft message or post will appear with the invite link.
6. To share via SMS, select contacts by tapping on the checkbox in the right column, then tap the send button in the bottom-right.

iOS

1. Tap compose .
2. Choose Invite Friends to Signal.
3. Choose Message or Mail; Message may send a group MMS to your contacts.
4. Tap a contact's name to select a contact. Contacts must have a phone number or e-mail in order to be selected.
5. Tap as many contacts as you would like.
6. Select Done in the top right corner. This will open the Messages or Mail app where you can edit or send the invitation.