K Flash: Korean Flashcards

Build a strong foundation in Korean with the Free Version of K Flash!

K Flash is a Korean study app for serious learners: spaced repetition that adapts to your pace, opinionated card design, and no shortcuts. Master the Korean language on iPhone, iPad, and Mac.

BUILD A FOUNDATION IN KOREAN — FREE

A substantial part of K Flash is free to use for as long as you like.

• The complete Hangul deck — learn to read Korean • Drill the 500 most frequent Korean Vocabulary words • Pick up essential survival and conversational phrases in our Phrasebook • Memorize and drill the three beginner Hanja levels (8급, 준7급, 7급) • Study beginner grammar patterns, with sentence cloze cards • The complete I Ching deck — dive into the Confucian roots of Korean society

Our spaced-repetition study modes, quiz, and browse mode are all available for each of our six decks. Your streaks, statistics, study history, favorites, and iCloud sync are free for everyone, permanently — including for content you haven't unlocked. Nothing you study or unlock is ever taken away.

SIX DECKS, BUILT FOR SERIOUS KOREAN STUDY

• Hangul — from individual jamo to the rules of syllable blocks • Phrasebook — everyday Korean phrases with politeness-level callouts • Vocabulary — thousands of cards verified against the National Institute of Korean Language, with glosses, example sentences, parts of speech, frequency rankings, and corresponding hanja • Grammar — verb endings, particles, and sentence patterns, each with study examples, and cloze sentences to drill them • Hanja — the 한국어문회 배정한자 levels with readings, meanings, and compound examples • I Ching — the sixty-four hexagrams in James Legge's public-domain translations

FOUR WAYS TO LEARN & STUDY

• Browse — read at your own pace, flip cards, mark favorites • Study — spaced repetition tracking your mastery card by card • Quiz — diagnostic sets with bronze, silver, and gold tiers • Quick Study — short cross-deck sessions for daily check-ins or hard grinds

BUILT THOUGHTFULLY

• No ads, no analytics, no tracking — your data is yours alone • No account required, and no server: everything lives on your own devices • Optional iCloud Sync — study records, streaks, favorites, and quiz progress carried across iPhone, iPad, and Mac, restorable anytime, never visible to anyone but you • Export and import anytime; one-tap erase • Built-in support for Apple's Premium and Enhanced Korean voices, bringing high quality speech synthesis to press-and-hold audio examples • Customizable study reminders and streak-saver notifications • Light, dark, and monochrome modes, and a customizable color scheme

UNLOCK THE COMPLETE LIBRARY

Unlocking K Flash grants you access all 20,000+ cards for browse, study, and quiz across all six decks on iPhone, iPad, and Mac.

There are three ways to unlock it:

• Founding Edition — a single one-time purchase, no subscription. Includes every K Flash 1.x update on iPhone, iPad, and Mac. The Founding Edition is offered for a limited period and will be withdrawn from sale when K Flash 2.0 ships; withdrawal does not affect anyone who has already purchased it. • Annual subscription • Monthly subscription

Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID settings.

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