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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.

Inbox Zero logo
Inbox Zero
✓ verifiedFree trial

Open-source AI email assistant that auto-labels mail, drafts replies in your voice and helps clear your inbox from web or Slack.

68K visits/mo1.6K saves
Tube Memo logo
Tube Memo
✓ verifiedFreemium

Browser extension that turns YouTube videos into AI summaries, mind maps, and flashcards for studying and research.

774 visits/mo
Turbo AI logo
Turbo AI
✓ verifiedFreemium

AI notetaker that records lectures live and turns PDFs, videos, or audio into editable notes, flashcards, quizzes, and podcasts.

18K visits/mo10K saves
FGenEds logo
FGenEds
✓ verifiedFreemium

Turns lecture-slide PDFs into concise cheat sheets; for students who want quick study aids for general-education classes.

1.7K visits/mo8.7K saves
Coursology logo
Coursology
✓ verifiedPaid

AI homework helper with scan-and-solve, file chat, quizzes, flashcards and lecture note-taking across subjects for students.

109K visits/mo2.1K saves
Pricing
Starter: $18/user/mo
Plus: $28/user/mo
Professional: $42/user/mo

Free trial available

Basic: $4.99/month (1200 credits, up to 160 video hours)
Pro: $14.99/month (3600 credits, up to 480 video hours)

No public pricing

No public pricing

Annual: $12.50/mo billed yearly
Monthly: $24.99/mo
Core features
  • Automatic email labeling and categorization
  • Pre-drafted replies in your voice
  • Bulk unsubscribe and archive
  • Auto-files attachments to Drive/OneDrive
  • Works from web, Slack and Telegram
  • Open-source and self-hostable, SOC 2 Type 2
  • AI-generated video summaries and highlights
  • Interactive mind map generation from video content
  • Automatic flashcard creation with spaced repetition
  • Draft generation for blogs, tweets, or study notes
  • Multi-language support
  • Searchable library of saved memos and highlights
  • Live lecture recording with automatic transcription
  • Converts PDFs, YouTube links, and audio/video into structured notes
  • Auto-generates flashcards and quizzes from notes
  • Creates podcast-style audio summaries of long documents
  • Google-Docs-style collaborative note editor
  • Handles STEM content like formulas, chemical equations, and code
  • Folder organization by class or subject
  • Cross-device sync between web and mobile
  • PDF lecture-slide upload
  • AI-generated cheat sheets
  • Example output preview
  • Free cheat sheets to start
  • Scan-and-solve homework across subjects
  • Chrome extension for answers
  • Chat with uploaded files and materials
  • AI quizzes and flashcards
  • AI lecture note-taking
  • AI study podcasts
Use cases
  • Reaching inbox zero quickly
  • Drafting replies faster
  • Cleaning up subscriptions
  • Managing email without switching apps
  • Students turning lecture videos into study notes and flashcards
  • Content creators extracting research and script ideas from videos
  • Professionals skimming video summaries to save time
  • Journalists pulling quotes without rewatching footage
  • Students wanting automatic notes from recorded lectures
  • Learners converting textbook PDFs into flashcards and quizzes
  • Commuters listening to podcast summaries of long chapters
  • Study groups sharing organized, editable notes
  • Condensing gen-ed lecture slides for studying
  • Making quick cheat sheets before exams
  • Getting step-by-step homework solutions
  • Studying from uploaded course materials
  • Turning lectures into notes and quizzes
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