A golf app I used to use in college was called Game of Golf Instiute (GOGI).
I know the website is still active but not sure if the app is available.
Kept track of all my round statistics, gave me a handicap to play from, and really helps improve the areas that you need to improve. Really a neat tool to have and would highly recommend to anyone not only to lower their scores but to know their percentages in all categories on the golf course.