Apps with 'Multiple Subtitles' feature

SMPlayer intends to be a complete front-end for MPlayer, from basic features like playing videos, DVDs, and VCDs to more advanced features like support for MPlayer filters and more. SMPlayer remembers the settings of all files you play.

A media player for language learning, with dual subtitles, AI-generated subtitles, real-time-OCR, translation, word lookup, and much more.

Bilingual Subtitles for YouTube.

Chrome extension for learning languages on Netflix. Display two subtitle languages at the same time. Rewind by a few seconds. Rewind to the beginning of phrases. Pause at the end of phrases. Bookmark words and the phrases. etc.

Bilingual Subtitles for Netflix.

Bilingual Subtitles for the Netflix Web App. An actively maintained fork with various bug fixes and improvements to the original NflxMultiSubs.