Use APKPure App
Get Hidden Call Audio Recorder old version APK for Android
Use Update AppClick https://goo.gl/X5eMCS
Use Updated App https://play.google.com/store/apps/details?id=com.globalsmartapp.recordcall
Can record Call and Audio-call in hidden mode for no limit time.
After Install, you will find it with the name "play it" , so no one know that you have hidden call audio recorder
Recorded files are hidden
Set password for safety.
use as utility and entertainment purpose only