A free program for Android, by Neev Infotech.

Audio To Text is a free app that allows you to convert your audio recordings to text. The app is easy to use and provides an interface that is very intuitive. You just need to select the audio file you want to convert to text, choose the output format, and select the language. It is compatible with most audio files. The app supports MP3, OGG, OGG (opus Codec), AAC, MP4, MPEG, AMR, WAV, M4A, FLAC, and many other formats. It also supports many languages, including English, French, German, Spanish, Portuguese, Russian, Italian, Dutch, Polish, Romanian, Swedish, Turkish, Greek, Hindi, Chinese, Korean, and Japanese. It is also compatible with most audio files.