This works for both free and paid plans.
Download the app
2. In the upper right corner, tap "Add Controller"
3. At the bottom, tap "Connect to a controller manually"
4. Enter a name, your HostiFi server name, username*, and password, then tap "Log In" in the upper right corner
*Username is case-sensitive
"Something went wrong... A server with the specified hostname could not be found."
Make sure you don't have https:// in your "IP Address / URL"
"Something went wrong... The username or password is incorrect."
You can find your temporary login credentials at https://hostifi.net/user, or try a password reset from the UniFi controller.