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No. 13 of 27 ·Flashcard apps

Retain

Web · Android · iPhone

Visit site Alternatives

Freedom report

Three barsScore 6.8

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

Retain is ranked #13 of 27 in flashcard apps on Freedom251, made by Retain (Mörlenbach, Germany). It runs on Web, iOS, Android. There is a free plan.

Retain plans and pricing

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 flashcard apps

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

Best Retain alternatives

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