Comparison

READING & vs 홀링

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

Head to head
About

READING &

Access a vast digital library of high-quality English books from Oxford University Press and Collins. This app offers a multi-dimensional reading system designed for efficient language acquisition, including vocabulary games, listening, reading, and speaking exercises. Enjoy personalized learning with features like pronunciation options, audio speed control, and a built-in dictionary.

Highlights
  • Digital library of Oxford and Collins English books
  • 5-Step Multi-Dimension Reading system
  • Vocabulary games, listening, reading, and speaking exercises
  • British & American pronunciation options
  • Audio speed control and recording feature
  • Built-in dictionary and personalized vocabulary list
  • Offline reading mode
Read full description

Meet the premium readers from the Oxford University Press and Collins at ‘READING &’! Oxford Reading Tree (ORT) and Collins Big Cat series are now available at READING &! ORT, the world’s best-seller readers used in 80% of the primary schools in the UK! Big Cat, is the popular series beloved by over 10,000 libraries in the primary schools in the UK! Have your own digital library that houses a massive collection of high-quality English books, and enjoy reading wherever you are and whenever you want! Awesome #1. 5 times more efficient 5 steps of multi-dimensional reading system is applied in every book. READING & transformed one-dimensional paper books to multi-functional digital contents that carries out the holistic process of language acquisition: vocabulary game, listening, reading, speaking, spelling check and after activities. Users can benefit from 5 times more efficient language learning system through our productive 5-Step Multi-Dimension Reading. Awesome #2. Up to 4 different devices Use up to 4 different mobile devices at a time! Every reading data synchronizes. We also support offline mode. Download your books and read them offline. Awesome #3. Additional features for your self-study - Both British & American pronunciation available (some books might provide only one) - Audio speed control - Record your own speaking - Listen to the audio per page or sentence - Built-in dictionary (Oxford English-Korean dictionary with 185,000 words) - Personalized vocabulary list - Pen tool: highlight or underline important vocabulary, make in-page highlights - Reading Diary: store your own speaking files This application may require access to the permissions below (to avoid the malfunction). - [Optional] Microphone: to record audio in Stage 3 and 4 - [Optional] Photos: to register your profile picture Instructions to turn the permission off: - Microphone: Settings > Privacy > App permissions > Microphone > turn off READING & - Photo: Settings > Privacy > App permissions > Storage > turn off READING & If you disable access for these permissions, you may use the app but several features of your device may no longer function as intended.

About

홀링

This app offers a comprehensive elementary math learning experience, combining video lectures, problem-solving, error notes, and AI-powered analysis. It features a new user interface designed for easier and more enjoyable exploration of math concepts.

Highlights
  • Video lectures
  • Problem solving
  • Error notes
  • AI learning analysis
  • Interactive math island exploration
  • Tablet PC support
Read full description

선생님 없이 스스로 완성하는 초등수학, 홀링이 ‘슈퍼앱’으로 새로워졌습니다! 단순한 학습 앱을 넘어, 동영상 강의부터 문제 풀이, 오답 노트, 정밀 AI 학습 분석까지 하나로 해결하는 초등수학 슈퍼앱 홀링을 만나보세요. 완전히 새로워진 UX/UI로 아이들이 더 쉽고 즐겁게 수학 섬을 탐험할 수 있습니다. *홀링은 태블릿PC에서 다운로드 및 이용이 가능합니다. * 인앱 구매를 통해 기념 구독을 구매하실 수 있습니다. - 자동 구독 • 1개월($34.99) 및 12개월($399.99) • 모든 구독 상품은 구매시 즉시 학습, 보고서등 모든 서비스에 접근 및 사용이 가능합니다. • 구독은 구매 확인 시 매쓰홀릭 계정으로 유지되며 만료일이 끝날시 (선택된 기간)으로 자동결제로 연장됩니다. • 현재 구독은 활성 구독 기간 동안 취소할 수 없지만 구매 후 iTunes 계정 설정을 방문하여 구독을 관리하거나 자동결제를 취소할 수 있습니다. - 약관 • 개인 정보 보호 : https://matholic.com/policy/privacy • 이용 약관: https://matholic.com/policy/service

Screenshots

READING &4 screens
홀링4 screens

Verdict

The call

The clearest difference is update cadence: READING & at every 2 weeks against 홀링's monthly. 홀링's advantage is iOS requirement (13.4 vs 17.0). On price, review sentiment, ads 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

READING & ships an update every 2 weeks, 홀링 monthly. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
READING & versus 홀링: the parameters behind the verdict, then further details
ParameterREADING &홀링
PriceFreeFree
Rating3.4 (10 ratings) — better—
Positive reviews79.2% of reviews83.3% of reviews — better
Number of ratings10 — better—
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.4 — better
Further details — not scored
Size202 MB25 MB
Age rating4+4+
DeveloperiPortfolio Inc.MATHOLIC Inc.

Customer experience

READING &

All ratings10 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews53 reviews
Positive79.2%
Neutral7.5%
Negative13.2%

홀링

Written reviews6 reviews
Positive83.3%
Neutral16.7%
Negative0.0%

In-app purchases

None

READING &

No in-app purchases

None

홀링

No in-app purchases

Questions

Is READING & free?
READING & is free to download, with no in-app purchases.
Is 홀링 free?
홀링 is free to download, with no in-app purchases.
Do READING & or 홀링 have ads?
Neither READING & nor 홀링 shows ads.
Which is updated more often, READING & or 홀링?
READING & ships an update every 2 weeks, and 홀링 monthly. Most recently, READING & was updated on October 12, 2026 and 홀링 on October 5, 2026.

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