Secret Recording allows you to record audio conversation without even opening an app and start recording

Just press power button three times and there you go, start recording..

The app will run in background and record the conversation

Features:
Allows you to change the pattern for recording
Customize notification on recording starts/stop
Custom time limit for recording
Sync all your recording to drive

NOTE: This app will continue to run in background and will start recording audio when a pattern is entered successfully