Turn new words into lasting memory.
Mnemio is a free flashcard app with spaced repetition. Create flashcard decks, generate cards with AI, and study at the perfect moment — learn it once, remember it for good.
Ephemeral
VocabularySonder
VocabularyMitochondrion
Bio 201
Why Mnemio
Everything you need to study and remember more.
Build your own flashcards
Import or type the exact words and terms you need to learn.
AI flashcard maker
Mimi turns a topic or note into a ready-to-study flashcard deck.
Spaced repetition
A proven SM-2 spaced-repetition core schedules every review for you.
Image & cloze
Picture prompts and fill-the-gap cards, coming soon.
Streaks that bend
Gentle momentum without the all-or-nothing guilt.
Yours, anywhere
Your decks and progress belong to you — export anytime.
How it works
Three steps to durable memory.
Add your words
Create a deck and drop in the vocabulary you care about.
Let AI build it
Mimi fills in meanings and examples so you don’t have to.
Study & track
Review at the right moment and watch mastery climb.
Try a card
Feel the flow.
Ephemeral
Tap to flipLasting for a very short time.
Meet Mimi
A companion that actually helps.
Mimi drafts cards from your notes, points out what you keep forgetting, and cheers you on — without the guilt-trips.
240K
Active learners
1.2B
Cards reviewed
34
Languages
94%
Avg. retention
FAQ
Frequently asked questions
Is Mnemio free to use?
Yes. Creating flashcard decks, studying with spaced repetition, and discovering public decks are all free to start — no credit card required.
What is spaced repetition?
Spaced repetition is a study method that schedules each flashcard review just before you’d forget it. Mnemio uses a proven SM-2 algorithm to time every review for long-term memory.
Can I make flashcards with AI?
Yes. Give Mimi, the built-in AI, a topic or your notes and it drafts a ready-to-study flashcard deck with meanings and examples in seconds.
Can I study other people’s flashcards?
Browse thousands of public flashcard decks and study sets in Discover, study them online, or copy any deck into your own library.
Start remembering more, today.
Free to start. Bring your own words and let Mnemio do the scheduling.