Eightify gives you fast one-click YouTube summaries. HoverNotes watches videos with you across 20+ platforms and turns them into AI study notes — automatically, capturing the on-screen code and diagrams a summary skips.
See it in action
HoverNotes sits right beside the video and turns what you watch into AI study notes — automatically, as you learn, capturing the code and diagrams a transcript misses.

Watches the video live and writes structured AI study notes as you go
Captures timestamped screenshots of on-screen code, equations & diagrams
Saves everything privately to your own Obsidian vault
The honest comparison
Both work great — at different jobs. Eightify is a focused YouTube summarizer for skimming videos fast. HoverNotes is the note-taker that turns the courses, lectures, and tutorials you watch into a lasting, screenshot-rich library.
You learn from video — courses, lectures, coding tutorials across YouTube, Udemy, Coursera and 20+ platforms — and want AI notes plus timestamped screenshots of on-screen code and diagrams, saved privately to your own Obsidian vault.
You mostly want to summarize YouTube videos fast — one-click key insights, timestamped highlights, top-comment overviews and translations in 40+ languages — to decide what's worth watching, rather than keep a structured note library.
| Feature | HoverNotes | Eightify |
|---|---|---|
| Generates structured, lasting notes (not just a summary) | Summaries only | |
| Timestamped screenshots saved into your notes | ||
| Captures on-screen code, equations & diagrams visually | ||
| Works across Udemy, Coursera & 20+ video platforms | YouTube only | |
| Local-first — notes stored on your device, not the cloud | Cloud-based | |
| Exports notes to Obsidian (Markdown) | ||
| One-click YouTube video summaries | ||
| Timestamped summary navigation | ||
| Summaries & translations in 40+ languages | ||
| Top-comment overview for YouTube videos | ||
| iOS & Android companion apps | ||
| Free plan to start |
Questions
For taking notes while you learn, HoverNotes is purpose-built: it watches the footage itself, captures timestamped screenshots of on-screen code and diagrams, works across Udemy, Coursera and 20+ platforms, and saves structured notes to your Obsidian vault. Eightify is the stronger choice if you only want fast one-click summaries of YouTube videos to decide what's worth watching.
Eightify is a YouTube summarizer — it produces a one-click AI summary, key insights, timestamped highlights and translations in 40+ languages so you can skim a video before watching. HoverNotes is a note-taker that watches videos with you across 20+ learning platforms, captures screenshots of code, equations and diagrams, and saves everything locally to Obsidian.
No. Eightify is focused on YouTube (plus its iOS and Android companion apps). HoverNotes works on YouTube, Udemy, Coursera and 20+ other video platforms, so your course lectures and tutorials all turn into notes in one place.
Both offer a free way to start. Eightify gives a limited number of free daily summaries, with Premium from about $4.99/month billed annually for unlimited use. HoverNotes is free to install, with paid plans for heavier use.
Choose Eightify if your main goal is quickly summarizing YouTube videos — triaging your watch-later list, reading key insights and top comments, or getting translated summaries in 40+ languages — rather than building a lasting, screenshot-rich note library from courses and tutorials.
Join 20,000+ learners turning every course, lecture, and tutorial into AI study notes they keep — captured automatically and saved to their own Obsidian vault.
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