A free program for Android, by Noktok Live Video Chat.

Easy Microphone – Live Microphone is a smart and very simple app to use for recording audio files from your microphone. It is designed to make it easier for you to record and play back your own voice, so you can share it with others through email or social media. The best thing about this app is that it has a built-in sound recorder, so you can record anything you want and save it to your device. The sound quality is really nice, and you can record for as long as you want. This app is compatible with Android devices.