machine-learning
Mar 5, 2026
After 20 Years of Spaced Repetition, I Built a Scheduler That Trains a Neural Network on Your Phone
After 20 years of daily spaced repetition, I built a 5-layer adaptive scheduling stack that runs entirely on your phone — combining a causal transformer, automated retention tuning, and a neural correction network that trains on your personal review data to capture patterns that FSRS's fixed formula can't. Every model runs on-device via CoreML and pure Swift, so nothing ever leaves your phone. It's live in Anchrs for iOS with Anki import support.
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