The spaced repetition study method
If you've ever aced a test on Friday and remembered nothing by Monday, you've met the forgetting curve. Spaced repetition is the study method built to beat it — and after a century of memory research, it remains the most reliably effective way to memorize large amounts of material.
The forgetting curve, in one paragraph
In the 1880s, Hermann Ebbinghaus measured how fast memorized information decays: steeply at first (most of it within days), then more slowly. But he found something more useful — each time you successfully recall something just before forgetting it, the curve flattens. The memory decays more slowly after every well-timed review. Review too early and you waste time on things you know; too late and you're relearning from scratch. The sweet spot is right before the memory slips.
Why it beats cramming and rereading
- Cramming stores everything in short-term memory at once — which is why it works for tomorrow's quiz and vanishes by next week. Spacing the same total hours across days multiplies long-term retention.
- Rereading and highlighting feel productive because the material looks familiar. But familiarity isn't recall. Spaced repetition forces retrieval — answering from memory — which is the act that actually strengthens the trace.
- It self-prioritizes. Hard cards come back often, easy cards get out of the way. Your study time automatically flows to exactly what you don't know yet.
Why almost nobody sticks with it
Two reasons. Classic tools like paper Leitner boxes or Anki require setup discipline — making cards, managing decks, showing up daily. And nothing about the method fights the real enemy: the phone in your hand that's more fun than your due reviews. The method works; the adherence fails.
Spaced repetition without the spreadsheets
Exam Master handles both failure points on iPhone:
The scheduling is automatic
Build a Question Bank — type a topic or paste notes and PDFs to generate cards — and quiz yourself. Questions you miss return sooner; questions you nail return later, right before you'd forget them. No intervals to configure, no deck settings to learn.
The showing-up problem is solved by your own phone
This is the twist no other spaced repetition app has: Exam Master blocks your distracting apps, and correct answers earn the screen time to unlock them. The moment you crave TikTok is the moment you do your due reviews. The apps that used to kill your study schedule now enforce it.
Daily streaks keep the spacing honest
Spaced repetition only works if reviews happen on schedule. Streaks and mastery levels on the progress dashboard make the daily session a habit with a scoreboard.
Tip: Short daily sessions beat long weekly ones — that's the whole point of spacing. Ten minutes a day, every day, will outperform a two-hour Sunday marathon on the same material.
Who it's for
Anything fact-dense: SAT and MCAT vocabulary, NCLEX pharmacology, ASVAB math rules, language vocab, anatomy, history dates, driving-test signs. If it fits on a flashcard, spaced repetition is the fastest route to knowing it cold on exam day.
Spaced repetition that runs itself
Automatic scheduling, generated flashcards, and a reason to show up every day. Free on iPhone, iPad, and Mac.
Download on theApp Store