A free app for Android, by voice recorder.

If you want to keep a record of all your conversations, you should definitely try out Call Recorder. This app can automatically record all the calls you make. You can also set the recording quality and other options to get the best recording possible.

Call Recorder is extremely simple to use, even for people who have never used an app like this before. Just open the app and start recording, and you will get everything you need. There are tons of options for you to choose from, so you can easily record all the important calls.

You can listen to your recordings and add notes to them.