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Anki

Name: Anki
Author: IndiAI Tools Editorial Team

Retain more knowledge with proven spaced-repetition study

Free | Freemium | Paid | Enterprise ⭐⭐⭐⭐☆ 4.4/5 🔬 Research & Learning 🕒 Updated April 21, 2026

IA Reviewed by the IndiAI Tools editorial team How we review →

Visit Anki ↗ Official website

Quick Verdict

Anki is a spaced-repetition flashcard app for long-term memory, best suited to learners who need repeatable, local-first study workflows. It combines an SM-2-derived scheduler, customizable HTML/CSS card templates, and an extensive add-on ecosystem. Desktop and AnkiWeb sync are free; the iOS AnkiMobile app is a one-time paid purchase, making Anki an affordable, durable choice for serious self-directed learners.

Anki is a spaced-repetition flashcard app that helps users remember facts through scheduled reviews. Its core capability is an SM-2-derived scheduler that times reviews for durable long-term retention, and it stands out for local-first data, customizable HTML/CSS card templates, and a large add-on ecosystem. Anki serves students, language learners, and professionals preparing for exams or certification in the research & learning category. Desktop and AnkiWeb syncing are free; the iOS AnkiMobile app is a one-time paid purchase for mobile convenience.

About Anki

Anki is an open-source spaced-repetition flashcard application first created by Damien Elmes (launched in 2006) that focuses on efficient long-term memorization. Positioning itself as a local-first study tool, Anki’s core value proposition is lightweight, scheduler-driven review: it uses an SM-2-derived algorithm to predict forgetting and present cards when reviews most improve retention. The project is maintained primarily as desktop software (Anki 2.1 series) with free AnkiWeb syncing, a paid iOS client, and a popular free Android client, enabling a cross-device study workflow without mandatory subscriptions.

Under the hood, Anki exposes several concrete capabilities. The scheduler supports customizable intervals, lapses, custom steps, and leech handling; card types include Basic, Reversed, and Cloze deletion with full HTML/CSS templates so you can craft front/back layouts and custom styling. Media support allows embedding audio, images, and video inside cards and decks export/import via .apkg for sharing full deck packages. Power users can extend functionality with add-ons (Python-based) and the widely used AnkiConnect add-on, which opens a local REST-style endpoint for automation, third-party sync scripts, and bulk editing from external tools. The Browse and Statistics screens provide per-deck review histories and retention metrics to track progress.

Pricing for Anki is straightforward. Anki Desktop (Windows, macOS, Linux) and AnkiWeb sync are free to use; AnkiDroid for Android is free on the Play Store. AnkiMobile for iOS is a one-time purchase (commonly listed at $24.99 in the App Store) which funds core development; there is no official subscription tier. Add-ons are generally free, though some third-party services and shared decks may include donation requests or paid companion tools. No enterprise pricing is published because Anki is primarily a community-driven open-source tool rather than a corporate SaaS product.

Who uses Anki and how? Medical students use Anki to retain thousands of diagnoses, drug facts, and exam-style questions for board prep; language learners use it to memorize vocabulary lists and example sentences for measurable gains in recall. Practicing lawyers or consultants use Anki to rehearse statutes, frameworks, and case facts ahead of briefs. Typical workflows pair Desktop for deck-building, AnkiWeb to sync progress, and AnkiMobile/AnkiDroid for daily reviews. Compared to Quizlet, Anki emphasizes local control, scripting extensibility, and fully customizable templates rather than a web-first, flashcard marketplace approach.

What makes Anki different

Three capabilities that set Anki apart from its nearest competitors.

✨ Local-first deck storage and optional AnkiWeb sync let users own data unlike many web-only platforms.
✨ Full HTML/CSS card templates and Python-based add-on system enable deeper customization and automation.
✨ One-time paid iOS client funds development while core desktop and Android remain free, avoiding subscriptions.

Is Anki right for you?

✅ Best for

Medical students who need to memorize thousands of facts for boards
Language learners who want to learn and retain 1,000+ vocabulary items
Exam candidates who require scheduled, measurable review of flashcard content
Researchers who need reproducible, scriptable flashcard workflows and local data control

❌ Skip it if

Skip if you require a proprietary cloud LMS with built-in analytics dashboards.
Skip if you need an onboarding-heavy, non-technical team solution with managed user roles.

✅ Pros

Free desktop and AnkiWeb sync with durable local ownership of decks and media
Highly customizable card templates (HTML/CSS) and cloze deletions for advanced study needs
Extensible via add-ons and AnkiConnect for automation, bulk editing, and integrations

❌ Cons

Steeper learning curve: templating, card types, and add-ons require technical effort to master
iOS requires a one-time paid app; no official hosted enterprise or team subscription features

Anki Pricing Plans

Current tiers and what you get at each price point. Verified against the vendor's pricing page.

Plan	Price	What you get	Best for
Free	Free	Full desktop app, AnkiWeb sync, AnkiDroid mobile client	Users who study on desktop and Android for no cost
AnkiMobile (iOS) one-time	$24.99 one-time	Mobile client purchase unlocks two-way sync and offline iOS access	iPhone/iPad users who want official mobile sync and offline reviews

Best Use Cases

Medical student using it to retain 5,000+ exam facts for board preparation
Language learner using it to memorize 2,000 vocabulary words in three months
Software engineer using it to rehearse 200 algorithm concepts before interviews

Integrations

AnkiWeb (sync) AnkiDroid (Android client) AnkiMobile (iOS client)

How to Use Anki

1
Download and install Anki desktop

Go to apps.ankiweb.net, download the Anki 2.1 installer for your OS, and run it. Open Anki to reach the Decks screen; success looks like the default “Add” and “Sync” buttons visible.
2
Create a new deck and card type

From the Decks screen click Create Deck, name it, then click Add. Choose a card type (Basic or Cloze), enter front/back content, and click Add to save a card. A new card appears in the deck list.
3
Customize templates or add media

Open Browse, select a card, then click Cards to edit HTML/CSS templates or click Attach to add images/audio. Save changes and preview the card to confirm layout and media playback.
4
Sync to AnkiWeb and review on mobile

Click the blue Sync button, sign into your AnkiWeb account, and upload. On AnkiMobile or AnkiDroid, tap Sync to download decks; successful sync shows identical due counts across devices.

Anki vs Alternatives

Bottom line

Choose Anki over Quizlet if you prioritize local deck control, scriptable automation, and fully customizable HTML/CSS card templates.

Frequently Asked Questions

How much does Anki cost?+

Anki desktop and AnkiWeb are free; iOS app costs $24.99. Anki’s core desktop client and AnkiWeb sync are free to use without subscriptions, and AnkiDroid on Android is also free. The iOS AnkiMobile app is a one-time purchase (commonly $24.99) that supports mobile reviews and funds development; add-ons and shared decks are usually free or donation-based.

Is there a free version of Anki?+

Yes - desktop, AnkiWeb and AnkiDroid are free. You can download Anki for Windows, macOS, or Linux at no cost and create unlimited decks and cards. AnkiWeb provides free two-way syncing and basic web review. The only typical paid piece is AnkiMobile (iOS) as a one-time purchase to enable an official iPhone/iPad client.

How does Anki compare to Quizlet?+

Anki uses local decks and add-ons; Quizlet is web-first. Anki emphasizes local storage, customizable HTML/CSS templates, SM-2 scheduling, and scriptable automation (AnkiConnect). Quizlet focuses on web-based study sets, collaborative classes, and simplified UI. Choose Quizlet for quick, social flashcards; choose Anki for long-term retention, offline control, and advanced customization.

What is Anki best used for?+

Best for long-term memorization with spaced repetition. Anki excels at retaining large volumes of discrete facts—medical facts, vocabulary, formulas—because it spaces reviews algorithmically. Use it when you need durable retention over months or years, measurable per-card statistics, and reproducible study schedules across devices.

How do I get started with Anki?+

Install desktop Anki, create a deck, then press Sync. Download and install Anki 2.1 from apps.ankiweb.net, click Create Deck and Add to make cards, then sign into AnkiWeb and click Sync to enable two-way mobile sync. A successful start shows cards due on the Decks screen and identical due counts after syncing to mobile.