The latest update of Air Call Answer was launched on Dec 13, 2018 and the app has been installed by over 0,5M users. There are adverts in this application. Samsung and HTC users download the app quite often.
Use the opportunity to get the .apk installer of Air Call Answer 1.0.6 for free and take a look at users' reviews on Droid Informer. This installation package takes up 2 MB on disk and it runs on Android devices 4.0.3 and higher.
The way users see it, you can notice intrusive ads among the drawbacks of the app.