Readwise Reader is a full reading app, and it handles YouTube well: videos play next to a time-synced transcript, and Ghostreader can chat across your library with citations. If you mostly save videos and articles to write from and don’t use the rest, MensorAI may be enough.
Last reviewed: October 2026. We make MensorAI, so we're biased. We've tried to be fair about Readwiseand to say where it's the better pick. Try both if you can.
MensorAI started as a YouTube note-taking tool for learners. Now it saves articles, passages and YouTube moments as you go, and when you sit down to write, you ask across all of them. Every answer links back to the passage it came from.
These are the things to know if you collect videos and articles to write from.
MensorAI saves your sources as you read and watch. When you write, you ask across all of them, and every claim links to the passage it came from.
The extension saves the moment you’re at on YouTube, with the captions around it and your own note. The video stays where it is.
A piece holds the claims for one newsletter, article or script, under the questions it needs answered, each with its source passage. Copy it into Docs, Notion or Substack.
You can save without paying. Asking needs the 7-day trial or a plan, and plans start at $9 a month.
MensorAI saves articles, passages, YouTube moments and your own notes, and that’s it. There are no feeds or daily review to keep up with.
See how MensorAI and Readwise compare feature-by-feature.
When you read a lot beyond the web, like newsletters, RSS, PDFs and e-books, or you want your Kindle highlights in one place with a daily review. Reader also has mobile apps, and MensorAI doesn’t. Its Global Ghostreader chats across your whole library with citations, which is close to what MensorAI’s Ask does.
No. It’s free for the first 30 days. After that, the full plan with Reader is $9.99 a month billed yearly, or $12.99 monthly. Readwise Lite is $5.59 a month billed yearly but doesn’t include Reader. Students get 50% off.
Saving is free. Asking and finding videos on YouTube need an active trial or a paid plan. You get a 7-day free trial of Pro features with a limited AI allowance. No credit card required. After that, plans are $9, $19 or $22 a month, and they differ only in how many AI requests you get per day.
Saving is free, and there's a 7-day free trial of Pro features with a limited AI allowance. No credit card required. Keep using Readwiseand try MensorAI on the next thing you're writing.