Comparison

Kokka Number Study vs RAYUL 한글숲

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

Head to head
About

Kokka Number Study

Features
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Learn Korean numbers with the Number Cards app! [ Key Features ] • Category-based Number Learning - Two categories: Native Korean numerals (hana, dul, set...) and Sino-Korean numerals (il, i, sam...) - Select your preferred category for focused learning • Visual Learning - Intuitively understand numbers through images - Tap images to hear number pronunciations and learn how to say them • Drawing Feature - Draw directly on number cards to spark creativity - Express freely with various colors • Quick Number Search - Jump to any number instantly using the number tile modal - Reinforce learning through repetition [ Learning Benefits ] • Multi-sensory learning using both visual and auditory senses • Natural acquisition of Korean numbers • Learn to distinguish between Native Korean and Sino-Korean numerals • Develop focus and creativity [ Safe Learning Environment ] • We do not collect personal information • Only safe content is provided • Only harmless banner ads are displayed [ How to Use ] 1. When you launch the app, a category selection screen appears 2. Select your preferred category (Native Korean numerals or Sino-Korean numerals) 3. Swipe left or right using arrow buttons to navigate through number cards 4. Tap images to hear number pronunciations 5. Tap the menu icon to jump directly to any number using the number tiles 6. Tap the pencil icon to switch to drawing mode This app helps you learn Korean numbers in a fun and natural way.

About

RAYUL 한글숲

Features
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RAYUL 한글숲은 만 3~6세 아이가 소리와 이야기로 한글 원리를 발견하도록 돕는 유아 한글 학습 앱입니다. [오늘의 한글 학습] • 홈에서 오늘 배울 단계와 목표를 한눈에 확인 • 연령과 현재 숙달도에 맞춘 5~12분 수업 • 짧은 이야기 → 핵심 낱말 → 한글 놀이 → 함께 놀이 [한글을 실제로 익히는 놀이] • 자모 소리를 듣고 맞는 글자 찾기 • 낱말의 음절 수를 세고 직접 고르기 • 같은 첫소리 찾기, 자음+모음 결합, 사라진 음절 찾기 • 획순 보기, 따라 쓰기, 혼자 쓰기 • 단어 정원과 대화식 그림책 [아이에게 맞춰지는 학습] • 오답과 숙달도에 따라 선택지·힌트·난이도 조절 • 연령별 콘텐츠와 이전 단계 복습 자동 구성 • 점수·순위·빨간 X 없이 다시 시도할 수 있는 환경 • 보호자가 원할 때만 기술별 학습 점검 [보호자와 개인정보] • 비교가 아닌 관찰 중심 보호자 대시보드 • 하루 이용 시간과 소리·진동·움직임 설정 • 광고·추적·구독·인앱 구매 없음 • 인터넷 없이 학습 가능 • 마이크는 선택 기능이며 녹음은 프로필별로 기기에만 저장·삭제 가능 소리 듣기, 글자 찾기, 조합하기, 쓰기, 말하기, 그림책 읽기를 한 흐름으로 연결해 아이가 부담 없이 매일 한글을 만나도록 설계했습니다.

Screenshots

Kokka Number Study4 screens
RAYUL 한글숲4 screens

Verdict

The call

The clearest difference is update cadence: Kokka Number Study at every 2 days against RAYUL 한글숲's weekly. Kokka Number Study also leads on iOS requirement (15.1 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

Kokka Number Study ships an update every 2 days, RAYUL 한글숲 weekly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
Kokka Number Study versus RAYUL 한글숲: the parameters behind the verdict, then further details
ParameterKokka Number StudyRAYUL 한글숲
PriceFreeFree
Update frequencyEvery 2 days — betterWeekly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size34 MB41 MB
Age rating4+4+
Developerjaewook shinYOUNGSOO KIM

In-app purchases

None

Kokka Number Study

No in-app purchases

None

RAYUL 한글숲

No in-app purchases

Questions

Is Kokka Number Study free?
Kokka Number Study is free to download, with no in-app purchases.
Is RAYUL 한글숲 free?
RAYUL 한글숲 is free to download, with no in-app purchases.
Do Kokka Number Study or RAYUL 한글숲 have ads?
Neither Kokka Number Study nor RAYUL 한글숲 shows ads.
Which is updated more often, Kokka Number Study or RAYUL 한글숲?
Kokka Number Study ships an update every 2 days, and RAYUL 한글숲 weekly. Most recently, Kokka Number Study was updated on November 9, 2026 and RAYUL 한글숲 on October 31, 2026.

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