A free app for Android, by Code Sector.

AudioField is a recording and audio editing tool for people who want to record quickly, easily, and with high quality. It supports recording to MP3, AAC, PCM, and AMR formats. You can use it for voice memos, lectures, songs, interviews, meetings, etc. It is also designed for business people, journalists, students, tutors, and anyone who needs to manage and share voice memos with simplicity.

It is a simple and easy-to-use application. You can record directly from your device or use your phone as a microphone. AudioField supports the audio recording mode. You can pause the recording at any time. It also supports the audio editing mode.