Get Chale.

Chale for iPhone is in App Store review. To join the beta, install TestFlight first.

Install TestFlight →

Open Chale’s TestFlight link on your iPhone. Tap Accept, then Install.

Join the iPhone test →

Install Chale from Google Play.

Get it on Google Play →

Tap I have an invite and enter your invitation code.

Your invitation code works once. Use it on your first phone.

On that phone, open Settings → Add a phone. It shows a code that lasts five minutes.

On the second phone, tap Sign in → Use another phone and enter that code.