ImmerseLang

Video player with dual subtitles for language learning

Learn foreign languages with YouTube and any videos

Read books in the original and bilingual formats

Deep grammar breakdown with artificial intelligence

Listen to audiobooks with dual narration

ImmerseLang is one of the best apps for learning a language. Watch regular videos and YouTube, and read books — with instant translation. Besides translation, there is grammar breakdown of sentences and single words. Add not just words but whole phrases to your personal dictionary — it builds itself automatically. A PRO+ subscription adds syncing your lessons across devices. Available on PC and Android.
Download for Windows
Get it on Google Play
Video player with dual subtitles screenshot
Dual subtitles for your video files
YouTube player with translated captions screenshot
Translated captions for YouTube videos

Bilingual books — read English books with translation

Offline audiobooks with dual parallel audio — listen to the original, then the translation. Parallel audio is currently available for European languages only.
Read books in English with instant translation. Tap any word to see its meaning, play the audio and save words to learn.
Bilingual book reader with instant translation screenshot
Bilingual reading with translation
Audiobook player with dual audio screenshot
Audiobook player
Full immersion in the language
Learn a language while watching what you love
Modern video technologies
Many video formats supported
AI breakdown of words and sentences
Online dictionary with AI grammar
Bilingual audiobooks
Save words and learn with flashcards
YouTube with translated captions
Tap any word — instant translation

What ImmerseLang can do

Not just a reader: a full language-learning system with spaced repetition, a smart dictionary and cross-device sync.
Spaced repetition (SRS)
Saved words are reviewed at the optimal moment, so they stay in your memory for good.
Smart dictionary with word memory
Every word you tap or save goes into your personal dictionary — it builds itself automatically.
Cross-device sync (PRO+)
Your words, phrases and progress sync between PC and Android.
Online dictionary with AI grammar
Instant translation and AI grammar breakdown for words and phrases. Offline dictionaries are available for some languages.
Audiobooks with dual parallel audio
Listen to audiobooks with dual parallel audio — the original text, then its translation. Parallel audio is currently available for European languages only.
YouTube with dual subtitles
A full built-in YouTube player with dual subtitles.
18 languages
Learn English, Spanish, German, French, Japanese and more — translate between 18 languages.
AI grammar breakdown
Whole sentences explained in simple words, plus the grammar of single words and phrases.

Supported languages

English · Spanish · German · French · Italian · Portuguese · Russian · Chinese · Japanese · Korean · Hindi · Arabic · Turkish · Greek · Persian · Indonesian · Vietnamese · Filipino

Frequently asked questions

How do I watch a video with two subtitles?
Open any video in the app, add the original subtitles, and the translation is shown on the second line automatically.
Does it work with YouTube?
Yes — a full built-in YouTube player with dual subtitles.
Can I read books with translation?
Yes, the app includes bilingual books: tap any word for an instant translation, and listen to audiobooks.
Is there an offline dictionary?
Yes, and more: the main dictionary is online with instant translation and AI grammar breakdown. Offline dictionaries also work without the internet for some languages.
Does ImmerseLang have spaced repetition (SRS)?
Yes — words you save go through spaced repetition. Each word is reviewed at the optimal moment, so it stays in your long-term memory.
Does the dictionary remember the words I learn?
Yes, the smart dictionary tracks every word you tap or save and builds itself automatically. With a PRO+ subscription your words and progress sync across PC and Android.
Which languages are supported?
18 languages: English, Spanish, German, French, Italian, Portuguese, Russian, Chinese, Japanese, Korean, Hindi, Arabic, Turkish, Greek, Persian, Indonesian, Vietnamese and Filipino. Books, videos and subtitles are translated between them.
Is ImmerseLang only for learning English?
No — English is just one of 18 supported languages. You can also learn Spanish, German, French, Japanese, Chinese, Korean and many others.
Available for Windows and Android.