Lectures, breakdowns, tutorials — you can't watch them all. Stacktube watches the channels for you, picks what's worth your time, and stacks the rest as notes.
Start free — 7-day full Pro trialThree minutes with the note for what doesn't need watching. Real time only for what does.
10 channels means 5–10 videos a day. No time to spot the one you actually need.
You watched to the end and can't recall the gist. A one-page note would have cost 3 minutes.
"This video discusses X" doesn't tell you whether X is worth your time.
From new-video detection to delivery, hands-off. The note structure adapts to the video type (framework, tutorial, analysis, explainer, news) — compare them in the gallery tabs above.
Just paste the YouTube URL. New videos auto-detected.
Identifies the type and judges whether you should watch yourself.
Two AIs cross-analyze — a note you can actually use.
Sent to Obsidian · Email · Drive · E-ink automatically.
| AI summary tools | Notion AI / NotebookLM | Stacktube | |
|---|---|---|---|
| Detects new videos | — | Manual input | ✓Channel auto-monitoring |
| Output | 3-line summary | One-shot analysis | ✓Type-aware structured note |
| Knowledge accrual | Flows away | Stays in one doc | ✓Library · Resurface · Monthly issue |
| Integrations | Copy-paste | In-app only | ✓Official Obsidian plugin + 6 channels |
Other tools stop where the analysis ends. Stacktube starts there.
Follow the flow in the order it was analyzed
Notes you'd forgotten return by email at 21 · 90 · 180 · 365-day intervals. The only real way to fight the forgetting curve.
"Pros and cons of React Server Components" — Stacktube merges notes from three related videos and AI answers.
An official Obsidian-reviewed plugin. Notes and a Knowledge Hub (MOC) accumulate in your vault automatically.
The moment a note is ready, every channel you've connected gets it. Hands off.
A morning digest — three minutes with your coffee.
Lose the device. Keep the knowledge.
Your whole team learns at the same pace.
Direct send to Kindle. Boox & Supernote sync via Drive or Dropbox.
Official, WebDAV, or email — your call.
Korean · Japanese · English + 3 more.
12 months, 12 volumes on your shelf — your year takes shape. EPUB delivered to Kindle · Email · Drive.
Get my first issue≈ $0.20 per video — cheaper than a coffee. All paid plans free for 7 days.
Not a taste — a start. Your first stack is added every week.
📬 Weekly digest — 2 new notes this week. 3 over the limit — "GPT-5 deep dive" and more. Get them all on Pro →
The main course — every morning, all your channels are sorted.
The plan where knowledge becomes a book. On the 1st, your monthly arrives.
Yes — any video with YouTube auto-captions works at any length. Without captions, we fall back to a lightweight analysis from title and description.
No. When the trial ends, you drop to the free Starter plan. We don't take payment details upfront.
Yes. One channel, weekly auto-analysis, weekly digest. Daily across all channels starts at Pro.
Via the official Obsidian community plugin — notes flow straight into your vault after a one-time API key paste. Pro plan or above (Starter delivers via web and email).
A month of your notes bound into a single book, delivered to Kindle · Email · Drive. Max-only.
Everything we promise is verifiable in the code → /security
Register a channel. Tomorrow morning, yesterday's videos are already sorted.
Start free — 7-day full Pro trial