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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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Language REACTOR
✓ verifiedFreemium
Browser extension that adds dual subtitles and click-to-lookup to Netflix and YouTube for learning languages.
1.7M visits/mo
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gizmo.ai
✓ verifiedFreemium
AI study app that turns notes, PDFs, YouTube and slides into quizzes and flashcards to help students revise.
5.4M visits/mo10K saves
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Elicit
✓ verifiedFreemium
Well-adopted AI research assistant for finding papers, summarizing, and extracting data at scale.
2.1M visits/mo
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PTE APEUni
✓ verifiedFreemium
AI-scored practice platform for PTE Academic and PTE Core exam prep, with question banks, predictions and study tools.
2.1M visits/mo
Pricing
No public pricing
No public pricing
Basic: Free
Plus: $10 per month, billed annually
Pro: $42 per month, billed annually
Team: $65 per user, per month billed annually
Enterprise: Custom
No public pricing
Core features
- ✦Dual subtitles on Netflix and YouTube
- ✦Click-to-lookup word translations
- ✦Saveable vocabulary items
- ✦Playback controls for language study
- ✦Works as a browser extension
- ✦AI-generated quizzes
- ✦Flashcard maker
- ✦Create flashcards from PDFs, notes and slides
- ✦YouTube and PowerPoint summarizers
- ✦Spaced-repetition study
- ✦Mobile app
- ✦AI-enabled systematic reviews
- ✦Research reports
- ✦Upload your own PDFs
- ✦Quick summaries
- ✦Source quotes
- ✦Question answering
- ✦AI scoring for speaking and writing
- ✦Full PTE question-type practice
- ✦Weekly exam prediction files
- ✦Vocabulary books and shadowing tools
- ✦AI study plan and score analysis
- ✦Web and mobile app sync
Use cases
- →Learn a language while watching shows
- →Look up and save new words from video
- →Study with dual subtitles
- →Revise for school and university exams
- →Turn notes and PDFs into flashcards
- →Study with AI-generated quizzes
- →Speeding up literature reviews
- →Automating systematic reviews and meta-analyses
- →Learning about new domains
- →Data extraction in rigorous systematic literature reviews
- →Preparing for PTE Academic/Core exams
- →Practicing speaking and writing with AI feedback
- →Studying likely exam questions
- →Tracking prep progress
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