This app was mentioned in 4 comments, with an average of 1.75 upvotes
I can upload it for you.
Since OP didn't wanna be nice and provide a Google Play link
https://play.google.com/store/apps/details?id=com.threeamteam.constellation
Here's the link for Android. I couldn't find it for iphones. https://play.google.com/store/apps/details?id=com.threeamteam.constellation
Link to app: iPhone- https://appsto.re/us/Fjv_cb.i Android- https://play.google.com/store/apps/details?id=com.threeamteam.constellation