A free program for Android, by Soon Kyung.

This free app is a simple and user-friendly voice recorder and audio editor pro with a simple and easy-to-use interface that is suitable for all types of users. All you need is a smartphone to use this app. It does not even need a network connection as it works offline.

This free app is a professional audio recorder and editor that can record any audio, music, speech, voice, or even if the screen is turned off. It can record anything without any other equipment. This app has high-quality sound.

You can save your audio recordings in various formats, such as MP3, AAC, or WAV. In addition, it has built-in tools to edit your recordings, including cut, copy, paste, trim, or merge two audio files. You can also add any effect to your recordings.