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Retain

API—OSS—FREEyesDOCS4/5

RE6.1#17 of 27

outWeb—Windows—Mac—LinuxoutAndroidoutiOS

Ranked in Flashcard apps ·Free plan

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About

Retain is ranked #17 of 27 in flashcard apps on Inferse, made by Retain (Mörlenbach, Germany). It runs on Web, iOS, Android. There is a free plan.

Compared on flashcard apps

Free plan: Yesretain.cards
Adaptive review: Yesretain.cards
Source formats: mixedretain.cards
Card formats: mixedretain.cards
Study modes: mixedretain.cards
Mobile apps: Yesretain.cards

Company

Headquarters: Mörlenbach, Germanyretain.cards · 28 Sept 2026

Best Retain alternatives

Brainscape01 APIOSSFREEDOCS Free8.3 RemNote02 APIOSSFREEDOCS $8/mo7.3 StudyGlen03 APIOSSFREEDOCS Free7.3 Recall04 APIOSSFREEDOCS Free7.3 Jambo05 APIOSSFREEDOCS Free7.1 Gizmo06 APIOSSFREEDOCS 7.0

Where it ranks on Inferse

Best Flashcard Apps in 2026#17 of 27
Best AI Flashcard Generators in 2026#14 of 27

Sources

retain.cards· checked 28 Sept 2026
apps.apple.com/de/app/retain-cards-ki-karteikarten/id6· checked 20 Sept 2026