Many of those apps are also dialers. ACR Phone is a dialer app from the developer of ACR call recorder. They developed this app because dialers can record phone calls more easily than non-dialer apps.

Automatic Call Recorder Pro by SMSROBOT (formerly ... In some regions, you can only record phone calls from the stock dialer app. Unfortunately, the United States is one of the restricted regions ...

WhatsApp, the globally popular messaging platform, is taking a significant step forward with the anticipated launch of an in-app call dialer feature. This enhancement is poised to elevate the user ...