Use APKPure App
Get AMR to MP3 Converter old version APK for Android
Convert amr audio files to mp3
With this easy to use amr to mp3 converter you just have to select your amr file and click convert button. You will get converted mp3 file in no time based on length of your input amr file. AMR to MP3 Converter includes library that lists your all the conversions. You can play or remove files from library as you want. Happy converting :).