Good luck with it bro. It can be hard to focus again after some time off, but once you establish a routine it should become easier.
That App looks pretty good, what's it called?
Cheers @MONZ heads feeling back in the game today!!
Apps called Ironnotes Workout Tracker. Here’s the link for App Store if you’re interest bro..

Simple Workout Log - Ironotes
Ironotes app is very straightforward, allowing you to create custom workouts in no time at all. During your workout, all you need to do is update the weight and reps you lift, mark each set as completed, and rest. Once the rest timer is up, the app will notify you. Here are some of the best...
apps.apple.com