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How spaced repetition works, how to study with it, and what we are building.
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How to make flashcards from a PDF without keeping the bad ones
Turning a PDF into cards is easy. Selecting a small set that stays faithful to the document is the part worth doing carefully.
Latest posts
ComparisonsRemNote vs Anki: notes with cards, or cards with everything exposed
RemNote and Anki can both schedule cards for years. The real choice is whether cards should live inside your notes or inside a dedicated review system.
11 Sept 20268 min read
ComparisonsThe best active recall apps, sorted by what you need to recall
An active recall app should make you produce an answer before showing it. Here are the tools that do that well, sorted by the work you are trying to keep.
11 Sept 20267 min read
ComparisonsReadwise alternatives for people who want to remember, not just resurface
Readwise does two jobs, collecting highlights and bringing them back, and most alternatives only do the first. Which tools sync your highlights, which ones actually test you, and where the gap between the two is.
11 Sept 20268 min read
Study methodsAI flashcards: why most of them are worse than none, and the one check that tells you
Paste a PDF, get fifty cards. Three things go wrong with that, and one of them means you memorise something the author never said. The three failure modes, the single check that catches them, and how to prompt for cards you can trust.
11 Sept 20269 min read
ComparisonsAnki alternatives, sorted by what made you leave
People leave Anki for five different reasons, and the right alternative depends on which one was yours. The five reasons, the tool that fixes each, what you give up by leaving, and the case for not leaving at all.
11 Sept 20268 min read
ComparisonsAnki vs Quizlet: which one to use, and when neither is the answer
Anki and Quizlet are usually compared as if they were two versions of the same thing. They are built for different weeks of your life. What each is actually for, where each falls down, and the case where the right answer is a third tool.
11 Sept 20268 min read
ComparisonsThe best spaced repetition apps in 2026, sorted by who writes the cards
Every spaced repetition app schedules reviews. They differ on who writes the cards, what happens when you miss a week, and whether you can leave. Eight tools compared on those three questions, with a verdict by the kind of learner you are.
11 Sept 202611 min read
Spaced repetitionThe forgetting curve: what Ebbinghaus actually found, and what to do about it
The curve everyone quotes came from one man memorising nonsense syllables in the 1880s. What he measured, what the 2015 replication confirmed, the numbers that get attached to it and should not, and the one thing the shape tells you to do.
11 Sept 20269 min read
Spaced repetitionSpaced repetition: how it works, how to do it by hand, and where it breaks
The idea is a century old and the evidence is unusually solid. What the spacing effect is, how a review schedule turns it into a habit, how to run one with index cards, and the two ways it fails in practice.
11 Sept 202611 min read
Study methodsActive recall: what it is, why it works, and how to do it without cheating
Rereading feels like learning and mostly is not. Active recall is the alternative the evidence keeps pointing at: what it is, why the effort is the point, and the ways people quietly do it wrong.
11 Sept 202611 min read
Study methodsHow to remember everything you read
Most of what you read is gone within a week, and it is not because your memory is bad. A four-step method that holds, the step nearly everyone skips, and which parts are worth handing to software.
11 Sept 202612 min read