Tips on vocabulary learning, spaced repetition, and language study strategies.
From Ebbinghaus to FSRS — the research behind spaced repetition, why it works, and how modern algorithms turn cognitive science into better study sessions.
SM-2 is from 1987. FSRS models your memory with three parameters and schedules smarter reviews. Here's exactly how they differ and why it matters.
comparisonWe tested every major spaced repetition app in 2026 — Anki, Quizlet, Memrise, Brainscape, MintDeck, and Words on Repeat. Here's which one is actually worth using.
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