🇨🇿 Czech Flash Cards

Learn Czech Vocabulary
the Smart Way

Master the 10,000 most common Czech words with spaced repetition and frequency-ranked flash cards. Built for serious language learners.

10,000
Czech words
SRS
Spaced repetition
A1–C2
All levels covered
9
Languages (more coming)
Any
Device — web, iOS, Android

See Czech In Action

A quick look at what daily study feels like.

MostUsedWords Czech app home screen showing today's study plan and streak

Your daily Czech study plan, tracked automatically

MostUsedWords Czech flash card front showing a frequency-ranked word

Frequency-ranked Czech cards — word #1 is the most common word in the language

MostUsedWords Czech flash card answer showing IPA phonetics, grammar info, and an example sentence

Every card includes IPA phonetics, grammar info, and a bilingual example sentence

MostUsedWords statistics screen showing Czech review progress

Streaks, review stats, and progress at a glance

Why Learn Czech?

10 million native speakers. Czech is the gateway language to Central European Slavic languages, spoken in one of Europe's most economically dynamic countries.

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Real-World Reach

Czech is spoken by 10 million people across Czech Republic. Every word you learn opens doors to real conversations.

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Frequency-First Learning

Our decks are ranked by actual word frequency — corpus-verified. You always study what matters most, right from day one.

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Fastest Path to Fluency

The top 2,000 words cover 90% of everyday conversation. Our 10,000-word decks take you to near-native reading comprehension.

Want a physical reference? Browse our Czech frequency dictionaries — printed vocabulary books with the same frequency-ranked data, IPA, and bilingual examples.

Start Learning Czech Today

All plans include all 9 languages, including Czech. No hidden fees.

Monthly
$29.95/month
 
Cancel anytime
Billed monthly, renews automatically until cancelled.
  • Czech + All 9 languages
  • 10,000 frequency-ranked words
  • IPA phonetics + example sentences
  • Spaced repetition system
  • Web app — iOS & Android coming soon
Most Popular
Yearly Subscription
$199.95/year
$16.66/month
Save $159.45 vs monthly — 44% off
Prepaid annual plan. Renews automatically at $199.95/year until cancelled — cancel anytime from your account.
  • Czech + All 9 languages
  • 10,000 frequency-ranked words
  • IPA phonetics + example sentences
  • Spaced repetition system
  • Web app — iOS & Android coming soon
Lifetime
$599.95
One-time payment
Never pay again
Single one-time charge. Not a subscription — no renewal, no recurring billing.
  • Czech + All 9 languages
  • 10,000 frequency-ranked words
  • IPA phonetics + example sentences
  • Spaced repetition system
  • All future languages included

Frequently Asked Questions

Yes. Every plan gives you access to all 9 languages currently in the app, not just Czech. Additional languages will be added to your account automatically as they launch.
Monthly and yearly plans renew automatically until you cancel — the yearly plan bills once per year at $199.95. You can cancel at any time from your account settings and keep access until the end of your current billing period. The lifetime plan is a single one-time payment with no recurring charges.
The app currently runs on all major web browsers — Chrome, Firefox, Safari, and Edge. iOS and Android apps are in development. Your progress is cloud-synced automatically.

Start Building Your Czech Vocabulary Today

10,000 words. Frequency-ranked. Spaced repetition. All devices. One subscription.