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Browser extension that adds dual subtitles and click-to-lookup to Netflix and YouTube for learning languages.
AI language coach offering conversational practice with real-time feedback across 130+ languages.
Browser extension offering interactive dual subtitles and instant word translations for language learning while streaming.
Free AI-powered academic search engine indexing 236M+ papers, for researchers wanting semantic literature discovery and an augmented reader.
No public pricing
No public pricing
Free trial available
Free trial available
No public pricing
No public pricing
- ✦Dual subtitles on Netflix and YouTube
- ✦Click-to-lookup word translations
- ✦Saveable vocabulary items
- ✦Playback controls for language study
- ✦Works as a browser extension
- ✦Conversational practice with AI tutors
- ✦Real-time personalized feedback and corrections
- ✦Dialogue, sentence, word, call, photo, and debate modes
- ✦Voice interaction with natural AI voices
- ✦Grammar courses and language certificates
- ✦130+ languages on web, iOS, and Android
- ✦Interactive dual subtitles
- ✦Instant hover word translations
- ✦On-the-fly subtitle translation
- ✦Personal wordbook with Anki sync
- ✦Multi-platform (YouTube, Netflix, Coursera, etc.)
- ✦Phrase/idiom collocation detection
- ✦AI-powered semantic search across 236M+ papers
- ✦Semantic Reader for augmented, contextual paper reading
- ✦Free public API for paper search and metadata
- ✦Author and topic discovery
- ✦Citation graph exploration
- ✦Beta program for new features
- ✦Video lessons
- ✦Revision notes
- ✦Quizzes
- ✦Flashcards
- ✦Exam-style questions
- ✦Past papers
- →Learn a language while watching shows
- →Look up and save new words from video
- →Study with dual subtitles
- →Self-learners practicing conversational fluency
- →Business teams training employees in new languages
- →Students supplementing classroom language education
- →Learning a language via shows and courses
- →Looking up words while watching
- →Building and reviewing vocabulary
- →Researchers searching scientific literature across disciplines
- →Developers building applications on top of scholarly data via the API
- →Students exploring citation networks for a topic
- →Librarians and academics needing free literature discovery tools
- →Preparing for Maths and Science exams at KS3, GCSE, and A-Level.