READING & vs 똑서
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
똑서
This app aims to make reading enjoyable for children, fostering a smart reading habit. It offers a dedicated space for children's reading education, helping them develop a love for books from an early age.
- Develops smart reading habits
- Makes reading enjoyable
- Focuses on children's reading education
- Starts reading journey from early age
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독서가 즐거움이 되는 순간, 똑똑한 독서습관! 우리 아이를 위한 독서 교육, 똑서에서 시작해보세요
Screenshots
Verdict
The clearest difference is rating: READING & at 3.4 against 똑서's 2.3. READING & also leads on in-app purchases (none vs 3) and ratings volume (10 vs 3). On price, review sentiment, update cadence and ads 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
Both are free to download. 똑서 sells 3 in-app purchases, starting at $6.99 per month. READING & asks for nothing beyond the download.
READING & holds the better App Store score, 3.4 against 2.3. Both are backed by a comparable volume of ratings — 10 and 3 respectively. Written reviews complicate that: 79% of READING &'s written reviews are positive against 84% of 똑서's, so the app with the better star average is not the one people write more warmly about.
READING & ships an update every 2 weeks, 똑서 every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | READING & | 똑서 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (10 ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 79.2% of reviews | 84.0% of reviews — better |
| Number of ratings | 10 — better | 3 |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 202 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | iPortfolio Inc. | 주식회사 노틸러스 |
Customer experience
READING &
똑서
In-app purchases
READING &
No in-app purchases
똑서
- 월간 멤버십 (1인)1 Month trial$6.991 Month
- 월간 멤버십 (2인)1 Month trial$11.991 Month
- 월간 멤버십 (3인)1 Month trial$11.991 Month
