Download & Sign In to Thirdfort

Download Thirdfort on an iOS device

• Downloading Thirdfort (iPhone/iOS device)
• Updating your device (iPhone/iOS)

Download Thirdfort on an Android device

• Downloading Thirdfort (Android)
• Updating your device (Android)

Signing In

• How to sign into Thirdfort
• My mobile number has not been invited
• My number has been blocked
• I'm not receiving verification codes

Troubleshooting

• Choosing a device
• How to swap between multiple checks
• My device is incompatible