How to add the Training Today Widget to your iPhone Home Screen
Training Today has a Home Screen Widget showing your current RTT score (Watch out for more widgets coming soon)
As long as you have the paid version of the app you can add a widget using the steps here: https://support.apple.com/en-gb/guide/iphone/iphb8f1bf206/ios
You can also see a video of how this looks for Training Today below: