scrollandlearn vs Obsidian: which one should you use?

In Obsidian a saved post turns into a note only after you watch it and write one. In scrollandlearn you paste the link and the app writes the lesson, usually within a minute. Here is an example of the lesson a Threads post about prompts becomes.

Open a lesson and scrollandlearn lists up to three related lessons from your library below it, when some are close in meaning, and a search shows them under its results too. That is the nearest it comes to Obsidian's links, and the difference is who makes them: in Obsidian you draw every connection yourself, while in scrollandlearn the app finds them and you cannot add your own.

• Nothing to build. There is no vault, plugin list or template to maintain, and nothing to configure before the first lesson.
• It does the writing. For a video, the lesson starts from a transcript: what someone says in a TikTok, Reel or Facebook video, or a YouTube video's captions. From it come a one-line core idea, key points and Remember this, plus Try this when the post suggests something to do. Posts on X, Threads, Reddit, Bluesky and LinkedIn are written up from their text, and on Instagram, TikTok, X, Threads and LinkedIn the words printed on photos and slides are read as well.
• Long sources in one lesson. An hour-long YouTube talk with captions, or a podcast episode from Spotify or Apple Podcasts, is read from beginning to end and written up as one lesson in sections, one for every part of about 20 minutes. There is no set number of points; the lesson keeps every distinct thing the source teaches.
• Many posts from one link. On Creator and Power, Add takes the link to a public playlist or profile and brings in up to 25 posts on Creator and 100 on Power, each post its own lesson.
• It files for you. Each lesson goes into a topic named after what you keep saving. Change moves a lesson to another topic or to a new one you name, and when small topics pile up, Group topics suggests grouping them and you decide.
• It brings lessons back. Today's quiz asks a few questions a day and your grade sets the next date. Forgot brings a lesson back tomorrow and starts it over, Kind of in 4 days, Knew it in 14 days, then 35, 88 and 219 days, then a year.
• A big picture per topic. Each topic keeps a short summary across all its lessons, rewritten as the topic grows, and a knowledge score, which counts every lesson that has come up for a quiz, answered or not, and shows the share you remembered.
• Saving from the phone. A Shortcut in the iPhone share sheet sends a post in from the app where you found it. On Android the same works once you install the web app from Chrome, which adds scrollandlearn to the share sheet.

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• You own the files. Notes are plain text Markdown on your device, readable in any editor and available offline. Obsidian says its apps collect no telemetry.
• Linked thinking. Links between notes, a graph view of how they relate and Canvas for laying out ideas on an open board suit a Zettelkasten or a long writing project.
• It bends to your system. Thousands of community plugins and themes add almost anything, from calendars and Kanban boards to task lists.
• Price. The app is free without limits and needs no sign-up. Sync and Publish are optional paid add-ons.
• Web pages. The free, open source Web Clipper saves pages into your vault and lets you highlight passages, in Chrome, Safari, Firefox, Edge and other browsers.
• Every platform. There are apps for Windows, Mac, Linux, iOS and Android. scrollandlearn is a web app with no native app.

• No files of its own. Lessons stay in your account; Export lessons downloads them as Markdown, a folder per topic, to copy into a vault, and nothing syncs with Obsidian.
• No pages and no linked notes. A note you type into Add becomes a note card, or a lesson at 300 characters or more, and it cannot link to other notes. On a lesson you write in two places: My takeaway, up to 500 characters in your own words, and Edit lesson, where you can rewrite the title, core idea, key points (up to 4,000 characters), Try this, Remember this and the quiz question.
• No links of your own, no graph and no plugins.
• Web pages go in only through the browser extension, in Firefox today and soon in Chrome, Edge and Safari. Pasted links work for posts from the 15+ platforms and for LinkedIn articles.
• No timestamps in transcripts; search finds their exact words but cannot jump to a moment.
• No teams, no shared vaults or published pages, and no native app.

Pick scrollandlearn if the problem sits earlier: you save more videos and posts than you will ever turn into notes. It turns each one into a lesson without you rewatching it, and the daily quiz checks whether you still remember it weeks later.

If you keep an inbox note of links to process later and it keeps growing, the bottleneck is processing. That is the part scrollandlearn does, and the part a vault leaves to you.

Pick Obsidian if writing is how you think. If you keep a Zettelkasten, draft long pieces from linked notes or want your archive as files that will outlive any app, Obsidian is built for that and scrollandlearn is not.

Yes, if each keeps its own job. Nothing syncs between them; when you want lessons in your vault, Export lessons downloads them as Markdown files with front matter Obsidian reads. A practical split is to send saved posts to scrollandlearn and let the quiz show you which lessons stay with you. When one changes how you think about something, write a permanent note about it in Obsidian, in your words, with the link to the original post that the lesson keeps.