This app was mentioned in 3 comments, with an average of 1.33 upvotes
This looks like the same app on Google Play https://play.google.com/store/apps/details?id=com.mzbapps.serverlife&hl=en_US
I use server life. It works great you can put in your hourly wage and tips.
https://play.google.com/store/apps/details?id=com.mzbapps.serverlife&hl=en
Have you tried https://play.google.com/store/apps/details?id=com.mzbapps.serverlife It's free, but it's kept me content for almost a year now