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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.
Well-adopted AI research assistant for finding papers, summarizing, and extracting data at scale.
AI math solver and tutor that adds animated video explanations for homework across math, physics and chemistry, for students.
Interactive learning app with an AI tutor for math, coding, science and data-visual, adaptive lessons for all ages.
No public pricing
No public pricing
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
- ✦AI-enabled systematic reviews
- ✦Research reports
- ✦Upload your own PDFs
- ✦Quick summaries
- ✦Source quotes
- ✦Question answering
- ✦Step-by-step problem solutions
- ✦AI-generated animated video explanations
- ✦Interactive practice quizzes and tests
- ✦Coverage of math, physics, chemistry and accounting
- ✦Graphs and diagrams for complex problems
- ✦Mobile app
- ✦Personal AI tutor (Koji)
- ✦Visual, interactive lessons
- ✦Adaptive practice based on mastery
- ✦Courses in math, CS, science and data
- ✦Gamified streaks, levels and daily goals
- ✦iOS and Android apps
- →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
- →Speeding up literature reviews
- →Automating systematic reviews and meta-analyses
- →Learning about new domains
- →Data extraction in rigorous systematic literature reviews
- →Getting homework solved step by step
- →Watching video explanations of solutions
- →Practicing with generated quizzes
- →Preparing for exams
- →Learning math and coding by doing
- →Getting adaptive tutoring outside class
- →Building STEM intuition
- →Daily skill practice