A free program for Android, by Mixcord Inc..
MixCaptions is one of the most powerful closed captioning app for videos and voice content, because it can turn audio into text subtitles.
It is compatible with all kinds of formats, including the ones that aren’t supported by other apps. And, with MixCaptions, you can edit and customise your video captions and subtitles, so you can make your clips stand out more. It is available for Android devices.
With MixCaptions, you can get fast, accurate closed captioning for your videos. And, you don’t need any special skills. All you need is to take a video and record it, upload it to MixCaptions, and it will do the work for you!