Remember everything you study.
Forever.

RetenzAI builds FSRS-powered spaced-repetition learning apps. One passion, many subjects — from DMV permit tests to professional certifications to AI literacy.

Our apps

Built on spaced repetition

PermitPop

Teen drivers + parents

Pass your DMV permit. Guaranteed.

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CertLabs

Working professionals

Professional certification prep that sticks.

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KnowPop

Everyone learning AI

AI literacy for the AI era.

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FlyCurrent

Pilots

Stay current. Stay sharp.

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dmvpermit.com

First-time test-takers

Free DMV practice quizzes.

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