Use APKPure App
Get RFA discover apps old version APK for Android
Discover apps with no A.D.S. and no I.A.P.
With this application you can discover really free applications and games with no advertisement and no in app purchases (ADS and IAP).
We update the database apps daily to get an Android totally free apps list up to date.
This app works with the web site https://reallyfreeapps.com and is a personal project.