LeitnerBox

Flashcard app built on the Leitner system

About LeitnerBox

LeitnerBox is a flashcard web app implementing Sebastian Leitner's spaced-repetition box system, free forever with no sign-up and no ads or tracking. An optional one-time Pro upgrade adds cloud sync, study analytics and backups.

LeitnerBox website preview

Live preview of leitnerbox.io via the WordPress mShots service — it can take a few seconds to generate on a first visit.

LeitnerBox: strengths & things to check

Strengths

Free tier available — you can start without paying (freemium model).
Covers flashcards, leitner, spaced repetition, study — see the focus areas listed in its key facts.
Has 6 close alternatives in the same category on this page, so switching or comparing is easy.

Things to check

The full feature set sits behind a paid plan — check which limits the free tier carries on the official site before committing.
Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
It is one of 752 tools in the Learning & Education category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

LeitnerBox pricing

Pricing model	Freemium — a free tier lets you start, and paid plans are available if you need more.
Free access	Yes — free tier, paid upgrades available
Current plan prices	Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official site	leitnerbox.io

LeitnerBox key facts

Category: Learning & Education
Pricing: Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas: flashcards, leitner, spaced repetition, study
Official site: leitnerbox.io

LeitnerBox FAQ

How much does LeitnerBox cost?

Freemium — a free tier lets you start, and paid plans are available if you need more. Current plans and prices are listed on the official site (leitnerbox.io).

What is LeitnerBox used for?

Flashcard app built on the Leitner system Its focus areas in the Learning & Education category: flashcards, leitner, spaced repetition, study.

Where can I try LeitnerBox?

On its official site, leitnerbox.io — the Visit Official Site button above goes straight there.

LeitnerBox vs alternatives

	LeitnerBox	Anki	AnkiDroid	KardsAI
Pricing	Freemium — a free tier lets you start, and paid plans are available if you need more.	Free — listed in this directory as a free tool, with no paid plan required to use it.	Free — listed in this directory as a free tool, with no paid plan required to use it.	Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas	flashcards, leitner, spaced repetition, study	flashcards, srs, spaced repetition, study, memory	flashcards, spaced repetition, android, study	flashcards, spaced repetition, pdf, study
Official site	leitnerbox.io	apps.ankiweb.net	ankidroid.org	kardsai.app
Directory status	Listed	Listed	Listed	Listed

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Learning & Education category

Online courses and learning platforms to build new skills. The Learning & Education category on Tools Hub currently lists 752 tools. Alongside LeitnerBox, it includes KanaDojo, Fresh Memory, Mindcup, Yuhimo.

FreemiumLearning & Educationflashcardsleitnerspaced-repetitionstudy

Alternatives to LeitnerBox

Tools in the same Learning & Education category that share focus areas with LeitnerBox — worth comparing before you commit:

Learning & Education

Anki

Powerful free spaced-repetition flashcards.

Freeflashcardssrsspaced-repetitionstudy

Learning & Education

AnkiDroid

Anki flashcards on Android, fully offline

Freeflashcardsspaced-repetitionandroidstudy

Learning & Education

KardsAI

AI flashcard maker: learn smarter in seconds

Freemiumflashcardsspaced-repetitionpdfstudy

Learning & Education

Rember

AI canvas for flashcards you will remember, using spaced repetition

Freemiumflashcardsspaced-repetitionstudymemory

Learning & Education

AI Flashcard Generator

Free AI flashcard generator from any file in seconds

Freeflashcardsstudypdfyoutube

Learning & Education

AIFlash.Cards

Free AI flashcard generator from text, PDFs, links and media

Freemiumflashcardspdf-to-flashcardsspaced-repetitioncommunity-sets

More in Learning & Education

Comparing tools in the Learning & Education category? These related listings are worth a look: KanaDojo — Free practice for Japanese kana and kanji; Fresh Memory — Flashcard study with SM-2 spaced repetition; Mindcup — Notes and active recall for UPSC aspirants.