Beta testing
Cab Control is being tested before it goes on the App Store and Google Play. Testers get each new version as an ordinary app update.
iPhone and iPad
TestFlight
Install Apple's free TestFlight app, then open the invitation link you're sent. Cab Control installs from there and updates itself.
Join link: added here once public testing opens.
Android phone and tablet
Google Play testing
Send the Google account email you use on your phone. You'll get a link: open it, accept, and install Cab Control from Google Play.
Join link: added here once testing opens.
Ask to join
Email and say which phone or tablet you use, and what command station you have.