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Immersion-based language learning toolkit that turns Netflix, YouTube, and web content into study material via a browser extension and apps.
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.
Free AI-powered academic search engine indexing 236M+ papers, for researchers wanting semantic literature discovery and an augmented reader.
AI language tutor offering role-play conversations, pronunciation coaching and instant grammar correction across 30+ languages.
No public pricing
Free trial available
No public pricing
No public pricing
Free trial available
No public pricing
No public pricing
- ✦Chrome extension for immersive study on real sites
- ✦Netflix and YouTube subtitle learning
- ✦Spaced-repetition memory system
- ✦Built-in dictionaries and grammar reference
- ✦iOS and Android apps
- ✦Support for 12+ languages
- ✦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
- ✦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
- ✦Real-life role-play conversation practice
- ✦AI pronunciation coaching for accent and rhythm
- ✦Real-time grammar correction during chats
- ✦Adaptive tutoring based on skill level
- ✦Downloadable course and audio materials
- ✦AI-generated, QR-verifiable proficiency certificates
- →Learn a language through native media
- →Study vocabulary with spaced repetition
- →Turn videos and articles into lessons
- →Progress toward proficiency exams like JLPT
- →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
- →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
- →Practicing job interview or travel conversations in a new language
- →Getting pronunciation feedback without a live tutor
- →Preparing for language proficiency verification
- →Supervised language practice for teen learners