This app was mentioned in 3 comments, with an average of 9.33 upvotes
If you're a dev and want to make sure your app is #MATERIYOLO, you might like GridWichterle. I've been fine-tuning the paddings and sizings of my apps with it.
I've been experimenting with this grid overlay app called Gridwichterle to help me to align my shots better. Highly recommend giving it a shot next time you play around of golf Clash! https://play.google.com/store/apps/details?id=eu.inmite.android.gridwichterle
Maybe you are thinking about GridWichterle