I am using Harry's Lap Timer Rookie Edition v23.08 I only use the RACE - Timer option in landscape format on an old Iphone 4s. The system works great, I just would like to know how to show the lap time with tenths and hundredths of a second in Reference Lap Section of the screen on the upper left an...

I just installed the latest version of Rookie edition on an iphone 4S running ios version 9.3.5
When I try and start LT Rookie it starts and then quits.
I am not using the phone for anything else.
Please help.

Aaron