Comparison

Koki Flashcards vs HyperLingua

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Koki Flashcards

Master vocabulary with a smart, spaced repetition system. This multilingual flashcard app aids long-term memory retention through personalized review schedules, multimedia content, and custom card creation. Study languages effectively for exams or daily communication.

Highlights
  • Spaced Repetition System (SRS)
  • Ready-to-use vocabulary decks
  • Multimedia flashcards (images, audio, examples)
  • Custom flashcard creation
  • Personalized review schedules
  • Offline study mode
  • Cross-device synchronization
Features
Read full description

Learn vocabulary faster with Koki Flashcards, a smart flashcard app powered by spaced repetition (SRS). Create your own flash cards, study ready-made vocabulary decks, and review difficult words at the right time. Study with Anki-style flashcards and spaced repetition, with ready-made decks for English, Japanese, Chinese, Korean, Spanish, IELTS, TOEIC, JLPT, HSK, TOPIK, Minna no Nihongo, and more. SMART FLASHCARDS WITH SPACED REPETITION Koki uses a spaced repetition system (SRS) to help you remember vocabulary for longer. Difficult flashcards appear more often, while words you already know are reviewed less frequently. Your study schedule adapts as you learn so you can focus on what needs the most attention. READY-MADE VOCABULARY DECKS Start learning immediately with flashcards organized by language, level, and goal: • English vocabulary and English flashcards • IELTS vocabulary and TOEIC vocabulary • Japanese vocabulary and Japanese flashcards • JLPT vocabulary from N5 to N2 • Minna no Nihongo vocabulary • Hiragana, Katakana, and Kanji • Chinese vocabulary and Chinese flashcards • HSK vocabulary and HSK flashcards • Korean vocabulary and Korean flashcards • TOPIK vocabulary • Spanish, German, and French vocabulary • More languages and study decks CREATE YOUR OWN FLASHCARDS Koki also works as a flexible flashcard maker. Create custom flashcards in seconds and add words, definitions, translations, images, pronunciation audio, example sentences, and notes. Build vocabulary flashcards for language learning, school, exams, work, or anything you want to remember. LEARN WITH IMAGES, AUDIO AND EXAMPLES Make new words easier to understand and remember with clear meanings, helpful images, natural pronunciation audio, real-world examples, useful context, and translations. PRACTICE WRITING, PRONUNCIATION AND QUIZZES Go beyond simply flipping flashcards. Practice with: • Writing and spelling exercises • Pronunciation practice • Dictation • Matching quizzes • Multiple-choice questions • Test mode Switch between different study methods to strengthen active recall and keep reviews engaging. PERSONALIZED SRS LEARNING Koki adjusts your spaced repetition schedule based on your learning history and review results. Difficult vocabulary can return sooner, while words you remember well can wait longer. You can also customize study settings, including how many new words you want to learn each day and how frequently cards should return. STUDY ENGLISH, JAPANESE, CHINESE AND MORE Build English vocabulary for daily communication, IELTS, TOEIC, and academic study. Learn Japanese with JLPT flashcards, Minna no Nihongo, Hiragana, Katakana, Kanji, audio, examples, and SRS reviews. Study Chinese and Mandarin vocabulary with HSK flashcards, pronunciation, meanings, and spaced repetition. Koki also supports Korean, Spanish, German, French, and many other languages. WHY KOKI FLASHCARDS? Koki combines: • Smart flashcards • SRS and spaced repetition • Ready-made vocabulary decks • Custom flashcard creation • Images and pronunciation audio • Example sentences • Writing and spelling practice • Pronunciation and dictation • Multiple quiz modes • Personalized review schedules Whether you are preparing for IELTS, TOEIC, JLPT, HSK or TOPIK, studying Minna no Nihongo, learning a new language, or simply building vocabulary every day, Koki gives you a flexible way to learn and review. Create flashcards, review with spaced repetition, practice active recall, and build vocabulary that lasts. Koki Flashcards — smart vocabulary learning with flashcards, SRS, and spaced repetition. Terms of Service: https://anki.edu.vn/en/terms-of-service Privacy Policy: https://anki.edu.vn/en/privacy

About

HyperLingua

This app focuses on practical communication for language learning, prioritizing vocabulary acquisition and pronunciation training. It utilizes techniques like active recall and shadowing to build fluency through real-world usage rather than grammar drills.

Highlights
  • Learn 30+ languages
  • Vocabulary-first approach
  • Pronunciation training with listening/repeating
  • Active recall and retrieval practice
  • Shadowing for fluency
  • Focus on real-world communication
Features
Read full description

Our learning flow is built by the HyperLingua team, drawing on established language learning principles and natural language acquisition techniques. The focus is on practical, real-world communication rather than grammar-heavy study. Build your vocabulary first, train your pronunciation by listening and repeating, and reinforce your memory through active recall. WHY HYPERLINGUA WORKS: Practical Over Theoretical Focus on real-world communication — not tedious grammar worksheets. Vocabulary Comes First The foundation for fluency is vocabulary, not grammar. Aim to learn at least 30 new words a day using mnemonic associations. This is the element with the greatest impact on your progress. Pronunciation Is Critical You must learn to recognize words and produce them accurately. Daily listening and repeating drills are essential for developing authentic pronunciation and rhythm. Grammar Is Absorbed, Not Studied Grammar is learned by seeing correct sentences in context and using them, instead of drilling rigid rules. Grammar "comes with" massive input and output. Active Recall & Retrieval Practice The single most powerful exercise is active recall. Translate sentences aloud from your native language into the target language, check corrections, and repeat until you make zero mistakes. Shadowing & Repetition Listening and repeating (shadowing) is the optimal method for improving fluency. Listen to native audio and repeat entire sentences aloud, matching the native speaker's cadence. Just 5-15 minutes a day makes a massive difference! LANGUAGES WE SUPPORT We are on a mission to support 40+ languages! Currently, you can learn and practice the following live languages: • US English • GB English (UK) • ES Spanish • MX Spanish (Mexico) • DE German • FR French • IT Italian • BR Portuguese (Brazil) • RU Russian • SA Arabic • TR Turkish • CN Chinese • JP Japanese • KR Korean • BA Bosnian • PL Polish • GR Greek • Basque (Euskara) For Everyone: Completely free, built for self-learners worldwide. Download HyperLingua today and start speaking from day one!

Screenshots

Koki Flashcards4 screens
HyperLingua4 screens

Verdict

The call

The clearest difference is ads: HyperLingua at none against Koki Flashcards's shown. HyperLingua also leads on monetization model (free vs free with in-app purchases). Koki Flashcards's advantage is rating (4.8 vs 4.4) and ratings volume (337 vs 82). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Koki Flashcards sells 14 in-app purchases, starting at $2.99 per month and HyperLingua sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Koki Flashcards holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 337 and 82 respectively. Written reviews point the same way: 86% of Koki Flashcards's written reviews are positive against 78% of HyperLingua's.

UpkeepUpdate frequency

Koki Flashcards ships an update every 9 days, HyperLingua every 2 weeks. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

Scorecard4 real differences · 6 level
Koki Flashcards versus HyperLingua: the parameters behind the verdict, then further details
ParameterKoki FlashcardsHyperLingua
PriceFreeFree
Rating4.8 (337 ratings) — better4.4 (82 ratings)
Positive reviews85.7% of reviews — better78.1% of reviews
Number of ratings337 — better82
Update frequencyEvery 9 days — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size94 MB54 MB
Age rating12+4+
DeveloperKOKI SOFTWAREHyperLingua LLC

Customer experience

Koki Flashcards

All ratings337 ratings
Positive96.7%
Neutral3.0%
Negative0.3%
Written reviews35 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

HyperLingua

All ratings82 ratings
Positive84.1%
Neutral6.1%
Negative9.8%
Written reviews73 reviews
Positive78.1%
Neutral6.8%
Negative15.1%

In-app purchases

14 purchases

Koki Flashcards

Subscriptions2
  • Subscription monthly3 Days trial$2.991 Month
  • Subscription Anki all package3 Days trial$19.991 Year
One-time12
  • Buy 500 Points$2.99
  • TOEIC 600 Words Special Offer$4.99
  • 1000 Basic English Words$4.99
Show 9 more
  • IELTS Vocabulary Discount$4.99
  • English Daily Routine$4.99
  • Phrases for Basic Communicate$4.99
  • Anki Minnano Nihongo discount$8.99
  • English - IELTS Vocabulary$9.99
  • 600 TOEIC words$9.99
  • Japanese - Minnano Nihongo$12.99
  • Koki Flashcards Lifetime Discount$59.99
  • Koki Flashcards Lifetime$79.99
4 purchases

HyperLingua

Subscriptions4
  • HyperLingua Pro Monthly$9.991 Month
  • HyperLingua Pro+ Monthly$16.991 Month
  • HyperLingua Pro Annual$99.991 Year
Show 1 more
  • HyperLingua Pro+ Annual$169.991 Year

Questions

Is Koki Flashcards free?
Koki Flashcards is free to download, with in-app purchases available.
Is HyperLingua free?
HyperLingua is free to download, with in-app purchases available.
Which has better reviews, Koki Flashcards or HyperLingua?
Koki Flashcards is rated higher. Koki Flashcards averages 4.8 out of 5 from 337 ratings, while HyperLingua averages 4.4 from 82 ratings.
Do Koki Flashcards or HyperLingua have ads?
Koki Flashcards shows ads; HyperLingua does not.
Which is updated more often, Koki Flashcards or HyperLingua?
Koki Flashcards ships an update every 9 days, and HyperLingua every 2 weeks. Most recently, Koki Flashcards was updated on October 2, 2026 and HyperLingua on September 30, 2026.

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