Retain

Retain is ranked #12 of 27 in AI flashcard generators on The Geeks Club, made by Retain (Mörlenbach, Germany). It runs on Web, iOS, Android. There is a free plan.

Retain plans and pricing

All plans
Free Free Free download and use apps.apple.com · 20 Sept 2026
Retain Ultra Not published AI-powered study features apps.apple.com · 20 Sept 2026
Retain Pro Not published Paid in-app subscription apps.apple.com · 20 Sept 2026

Compared on AI flashcard generators

Free plan
Yes
Adaptive review
Yes
Source formats
mixed
Card formats
mixed
Study modes
mixed
Mobile apps
Yes

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