Free & open source

Create cards. Review smarter. Remember more.

Free flashcards that schedule each review for the right time, work offline, and sync across the web, iOS, and Android.

Nibomo AI chat creating flashcards from a topic or attached notesA revealed Nibomo flashcard with Again, Hard, Good, and Easy review ratings

FOR AI AGENTS

Connect your AI agent over MCP: add the Nibomo server to Claude, Cursor, or any MCP client and it can read, create, and edit your cards.

Documentation
Or connect any MCP-compatible AI client using this URL:
https://mcp.nibomo.com/mcp

01 · AI FLASHCARDS

Tell AI what you want to learn.

Describe a topic or attach your notes. AI helps turn your material into flashcards with questions and answers.

Nibomo AI chat creating flashcards from a topic or attached notes

02 · START LEARNING

One question at a time.

Open a flashcard and try to recall the answer before revealing it. Learn at your own pace, one card at a time.

A Nibomo review flashcard with a Show answer button

03 · SMART REVIEWS

Check your answer.Rate your recall.

Reveal the answer and mark how easily you remembered it. Nibomo brings difficult cards back sooner and familiar ones later.

A revealed Nibomo flashcard with Again, Hard, Good, and Easy review ratings

04 · YOUR PROGRESS

Turn learning into a habit.

See your study days on the calendar and keep your streak going. Every review is another step toward your goal.

Nibomo progress screen showing a study streak calendar and rating leaderboard

Key features

Smarter Reviews

Review the cards that are due today. FSRS brings difficult cards back sooner and waits longer before showing familiar ones again.

AI-Assisted Card Creation

Ask AI to help create cards, improve their wording, or clarify an answer. You stay in control of what gets saved.

Offline Study with Automatic Sync

Keep reviewing on your mobile device without an internet connection. Changes sync automatically.

Import, Export Own Your Data

Move your learning materials in or out whenever you like. Portable exports include your cards, tags, and related media.

Works with AI Agents

Connect through MCP or the Agent API so AI agents can help create, improve, and organize your cards.

Free and Self-Hostable

Use the hosted app for free, inspect the open-source code, or run it on your own infrastructure.

Let Nibomo plan your reviews.You focus on learning.

Turn what you’re learning into flashcards, review at the right time, and remember more.