Comparison

ESP AR vs KyouStudy

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

Head to head
About

ESP AR

Features
Read full description

ESP AR app is paired with the 10 titles of the ESP series to bring a new learning experience. You can play audio and video with it and enjoy the book with the AR technology.

About

KyouStudy

Features
Read full description

Learn as much as you want, at your own pace. KyouStudy helps you build language skills for exam preparation and everyday learning. Whether you are preparing for JLPT, HSK, or TOPIK, or exploring a new language, start at a level that suits you and move from words to sentences, practice, and review. FREE LEARNING, WITHOUT DAILY LIMITS Study from beginning to end without daily study caps or restrictions on the scope of available learning content. Core learning stays free, whether or not you choose Premium. DISCOVER WORDS THROUGH CARDS Explore vocabulary, characters, expressions, and sentences organized by exam and level. Learn meanings, examples, and pronunciation together, then mark what you already know and what you want to study further. SEE IT. HEAR IT. REMEMBER IT. Listen to word and sentence pronunciation with AI-powered audio. Every example sentence comes with an image to help you connect its meaning with a scene and make it easier to recall. CHOOSE HOW YOU PRACTICE Use quizzes for instant feedback after each question, or test mode to receive your score after completing all questions. • Multiple choice: connect characters, readings, and meanings. • Listening: hear a word or sentence and choose the answer. • Matching: draw connections between expressions and meanings. • Sentence ordering and gap filling: practice context and sentence structure. • Typed answers: recall words and expressions without answer choices. TURN MISTAKES INTO PROGRESS Revisit questions in your mistake notebook and save useful items to favorites. Unlock collections as you learn and use study statistics to see your progress. MAKE IT YOUR OWN WITH PREMIUM Optional paid Premium benefits include ad removal, additional themes, detailed information about related words, and support for continued development. Your daily study amount and the scope of available learning content remain unrestricted without Premium. LANGUAGES AND CONNECTION The interface is available in English, Korean, Japanese, Simplified Chinese, and Traditional Chinese. An internet connection through Wi-Fi or mobile data is required for a smooth learning experience. MORE TO LEARN OVER TIME The exam lineup includes JLPT, TOEIC, TOEFL, IELTS, HSK, TOCFL, and TOPIK, with some courses planned for future updates. TOEIC, TOEFL, and IELTS are planned additions. Check the app for currently available courses. Built and cared for by an independent developer, KyouStudy grows with your feedback. Start with one word and keep learning at your own pace. KyouStudy is an independent learning tool and is not affiliated with or endorsed by the organizations that administer these exams. Exam names and trademarks belong to their respective owners. Support: https://www.kyoustudy.com/contact/ Privacy Policy: https://www.kyoustudy.com/privacy-policy/ Terms of Use: https://www.kyoustudy.com/terms-of-use/ Apple Standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ESP AR4 screens
KyouStudy4 screens

Verdict

The call

The clearest difference is in-app purchases: ESP AR at none against KyouStudy's 3. ESP AR also leads on ads (none vs shown) and iOS requirement (11.0 vs 17.0). KyouStudy's advantage is update cadence (weekly vs every 4 months). On price and device support 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. KyouStudy sells 3 in-app purchases, starting at $3.99 per month. ESP AR asks for nothing beyond the download.

UpkeepUpdate frequency

ESP AR ships an update every 4 months, KyouStudy weekly. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

Scorecard4 real differences · 2 level
ESP AR versus KyouStudy: the parameters behind the verdict, then further details
ParameterESP ARKyouStudy
PriceFreeFree
Update frequencyEvery 4 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better17.0
Further details — not scored
Size112 MB229 MB
Age rating4+4+
DeveloperLiveABCHungBok

In-app purchases

None

ESP AR

No in-app purchases

3 purchases

KyouStudy

Subscriptions2
  • KyouStudy Premium$3.991 Month
  • KyouStudy Premium (Annual)$39.991 Year
One-time1
  • KyouStudy Premium (Lifetime)$99.99

Questions

Is ESP AR free?
ESP AR is free to download, with no in-app purchases.
Is KyouStudy free?
KyouStudy is free to download, with in-app purchases available.
Do ESP AR or KyouStudy have ads?
KyouStudy shows ads; ESP AR does not.
Which is updated more often, ESP AR or KyouStudy?
ESP AR ships an update every 4 months, and KyouStudy weekly. Most recently, ESP AR was updated on November 11, 2026 and KyouStudy on November 12, 2026.

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