Comparison

Girin vs POOMIN | 품인

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

Head to head
About

Girin

Utilize advanced AR technology to measure and record children's heights without physical charts. Track your child's growth professionally and accurately with built-in iPhone sensors.

Highlights
  • Advanced AR height measurement
  • Digital height charts for kids
  • Professional and accurate growth recording
  • Uses iPhone sensors
  • No physical stickers or lines needed
Features
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Advanced AR technology without having to draw dirty lines or attach height chart stickers to the wall shows various height chart that children will like. You can measure and record heights with sensors built into your iPhone so that you can see your child's growth more professionally and accurately.

About

POOMIN | 품인

Features
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(정’품인’증이란 뜻과 함께 내 품안에 제품 정보를 안전하고 체계적으로 관리 할 수 있는 앱입니다.)​ Poomin – 품인 은 정품 인증을 확인할 수 있는 앱입니다.​​ 1. 암호화된 코드 인식 기술과 잠상(워터마크) 기술을 적용하여 소비자가 손쉽게 제품의 정품 인증 여부를​ 감별할 수 있는 기능을 제공합니다.​ 2. 모바일 기기로 한 번에 위.변조 감별을 할 수 있어 일반인도 손쉽게 이용할 수 있습니다.​ 3. 수 초 이내로 빠르게 스캔하여 정품인증이 가능합니다.​​ ▶ 정품인증앱 품인 사용 가이드​ ① Hidden Code 정품인증 여부를 알고 싶다면 App을 실행 후 정품 확인하기 버튼을 눌러주세요.​ Hidden Code가 적용된 제품을 스캔해주세요. (플래시 OFF 환경에 최적화 되어있습니다.)​ 10~20cm 거리를 두고 천천히 위아래로 스캔하면 움직여주세요.​ 앱을 통하여 실시간으로 정품인증 확인할 수 있습니다.​ ​② 워터마크 정품인증 여부를 알고 싶다면​ App을 실행 후 워터마크 확인하기 버튼을 눌러주세요.​ 워터마크가 적용된 제품을 스캔해주세요. (플래시 OFF 환경에 최적화 되어있습니다.)​ 앱을 통하여 실시간으로 워터마크 ‘정품인증'글자를 확인할 수있습니다.​ [정품 위조가 의심된다면] 모두 품인하세요 !​

Screenshots

Girin4 screens
POOMIN | 품인4 screens

Verdict

The call

The clearest difference is update cadence: POOMIN | 품인 at every 5 months against Girin's every 27 months. POOMIN | 품인 also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Girin ships an update every 27 months, POOMIN | 품인 every 5 months. The most recent releases landed on October 7, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 8 level
Girin versus POOMIN | 품인: the parameters behind the verdict, then further details
ParameterGirinPOOMIN | 품인
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 27 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size57 MB48 MB
Age rating4+17+
Developeryaehoon KimThe Coder

In-app purchases

None

Girin

No in-app purchases

None

POOMIN | 품인

No in-app purchases

Questions

Is Girin free?
Girin is free to download, with no in-app purchases.
Is POOMIN | 품인 free?
POOMIN | 품인 is free to download, with no in-app purchases.
Do Girin or POOMIN | 품인 have ads?
Neither Girin nor POOMIN | 품인 shows ads.
Which is updated more often, Girin or POOMIN | 품인?
Girin ships an update every 27 months, and POOMIN | 품인 every 5 months. Most recently, Girin was updated on October 7, 2026 and POOMIN | 품인 on September 22, 2026.

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