Automatic Call Recorder – PRO v1.5.2
Requirements: 2.3 +
Overview: First, try out the free version, please purchase the paid version. 

This app is an ad-free paid version.
When you are talking on the phone , click on the difficulties of recording this?
Auto Call Recorder ... http://www.apkformod.com/automatic-call-recorder-pro-v1-5-2/