Automatic Call Recorder ACR is a free Android application designed for seamless call recording. Users can effortlessly record both incoming and outgoing calls in high-quality audio. The app's user-friendly interface allows for easy activation of recording, ensuring that all conversations are captured without hassle. Key features include the ability to save recordings to an SD card, which is particularly useful for devices with limited internal storage. Additionally, users can manage their recordings effectively by organizing them by time, name, or date.

The app also offers a whitelist and blacklist feature, allowing users to specify which calls to record or ignore, enhancing the customization of the recording process. Other notable functionalities include playing back recorded calls, deleting unwanted recordings, and a confirmation dialog before saving. While the app is free, it does contain advertisements, which may impact user experience.