Productivity●●Solid
LeetCode EasyRepeat – Anki for LeetCode
Auto-captures LeetCode submissions with FSRS scheduling, but Anki decks already cover this.
Niche GemSolve My Problem
yc1838
3014d ago
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Spaced repetition API – decks, cards, reviews, scheduling
by tootyskooty·Mar 15, 2026·1 point·0 comments
AI Analysis
●●SolidNiche GemCozy
FSRS scheduling as a service so you don't implement the math yourself.
Strengths
- •Offloads complex FSRS algorithm state management to a managed endpoint.
- •Full CRUD API allows building custom frontends without backend scheduling logic.
- •Stats endpoint enables retention dashboards without manual calculation of stability metrics.
Weaknesses
- •Niche audience limits adoption to edtech developers specifically building flashcard apps.
- •Vendor lock-in risk for core learning logic if service shuts down.
Category
Target Audience
Edtech developers, Note-taking app creators
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Anki · RemNote · SuperMemo
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