A full version app for Android, by Smart Mobile Tools.

The MP3 Recorder application is designed to improve the recording function of mobile phones and is available for free. Users can easily record different types of sounds, including personal notes, group discussions, and concerts, and can choose between MP3 or high-quality sound WAV formats. The application also offers features such as a timer to stop recording, selecting sounds from the microphone or camcorder, mono or stereo channels, and various frequency and bit speeds. Moreover, users can personalize their experience by selecting from 15 different themes, colors, backgrounds, and language support. 

Download this now for free on the Google Play Store.