CRO is a free call recorder application for Android phones. It can record and store phone calls in the device's internal memory, on the SD card, or in the cloud. With the built-in microphone, you can record your voice, even if you're talking to someone else. You can also record your voice, then add music or other audio effects to make it sound more interesting. After recording, you can save the file to your device, to the SD card, or to the cloud. You can choose to save it in the same folder as the recorded call, in a different folder, or in the phone's main folder.

CRO can record phone calls with one or more people. You can add notes to each call, and you can also share your recordings with your friends.