Windows 10 Mobile build 10149 features call recording?
In addition, a Voice Recorder app has been discovered that comes with permission to use the 'Recorded Calls' folder. It is another often requested feature that Microsoft is bringing to Windows 10 Mobile. The latest word we have is that the Windows 10 Mobile update will start rolling out in September. Around the same time, we should see new handsets come to market with Windows 10 Mobile pre-installed.
The open nature of the Android OS makes it easier for third party developers to offer apps that record both sides of a call. In fact, last month we recommended five such Android apps that are free and don't require root access.