A free program for Android, by Phdpan.

Automatic Call Recorder 2020 is a very useful application for Android users to record their phone calls. With this tool, you can record any call you want without needing to change the settings of your phone. This application is simple to use, with a simple user interface and allows you to record in various formats. It also has the option to edit your recordings, with a simple and easy-to-use interface. You can also share, play, trim, delete, and rename the recordings easily.

To secure the app from unwanted access, simply set up a password to protect your privacy.