Comparison

키드키즈 AR vs Chaipang Subtraction

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

Head to head
About

키드키즈 AR

Features
Read full description

키드키즈 AR은요 1. 상상이 현실이 되는 곳 -교육에 기술을 더하다 -다양한 방식의 AR 활동체험으로 현실보다 더 생생한 가상현실 세계를 경험할 수 있습니다. 2. 티파하파 캐릭터들과 함께하는 이야기 속으로 고고고~! -다양한 스토리의 애니메이션 36편 -아이들의 꿈이 영글어가는 (이야기 속) 수학나라로 여러분을 초대합니다. 3. 발달 수준에 맞는 수준별 수학 활동 제공! -아이들의 눈높이에서 신나게 놀이하며 자연스럽게 수학적 개념을 익힐 수 있습니다. [신나고 재미있는 키드키즈 AR과 함께하세요!]

About

Chaipang Subtraction

Features
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1. Features and composition ▶ Increase the speed and accuracy of calculations “Chaipang Subtraction” is a game-based calculation learning app designed to improve children’s ‘subtraction’ skills. ▶ Increase the immersion level of children. “Chaipang Subtraction” is set in kindergarten and is played in the form of card games with friends so that children can feel immersed. ▶ Motivation to improve calculation skills All 50 characters you play with have different calculation skills. Your ranking changes according to the result of the game with each character. 2. How to enjoy Chaipang Subtraction with Chaipang friends! ① Let’s play subtraction games with card games! ② If you answer the correct answer first, you can get a star-shaped block! ③ The more blocks you have, the higher your ranking will be. ④ If you have the highest score, you can wear a crown! 3. Contact us If you have any questions, please contact us at the address below. Tel. +82-2-508-0710 Email. support@wecref.com Developer : wecref.dev@gmail.com

Screenshots

키드키즈 AR4 screens
Chaipang Subtraction4 screens

Verdict

The call

The clearest difference is in-app purchases: 키드키즈 AR at none against Chaipang Subtraction's 1. 키드키즈 AR also leads on update cadence (monthly vs every 3 months) and iOS requirement (8.0 vs 13.0). On price, ads 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. Chaipang Subtraction sells 1 one-off in-app purchase. 키드키즈 AR asks for nothing beyond the download.

UpkeepUpdate frequency

키드키즈 AR ships an update monthly, Chaipang Subtraction every 3 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 3 level
키드키즈 AR versus Chaipang Subtraction: the parameters behind the verdict, then further details
Parameter키드키즈 ARChaipang Subtraction
PriceFreeFree
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size435 MB136 MB
Age rating4+4+
DeveloperEK Co., Ltd.Wecref Co., Ltd.

In-app purchases

None

키드키즈 AR

No in-app purchases

1 purchases

Chaipang Subtraction

One-time1
  • 차이팡 뺄셈 광고제거$2.99

Questions

Is 키드키즈 AR free?
키드키즈 AR is free to download, with no in-app purchases.
Is Chaipang Subtraction free?
Chaipang Subtraction is free to download, with in-app purchases available.
Do 키드키즈 AR or Chaipang Subtraction have ads?
Neither 키드키즈 AR nor Chaipang Subtraction shows ads.
Which is updated more often, 키드키즈 AR or Chaipang Subtraction?
키드키즈 AR ships an update monthly, and Chaipang Subtraction every 3 months. Most recently, 키드키즈 AR was updated on October 4, 2026 and Chaipang Subtraction on October 7, 2026.

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