# 이북모아 vs Readem All

The clearest difference is update cadence: Readem All at every 3 days against 이북모아's fortnightly. 이북모아's advantage is ratings volume (14 vs 1) and iOS requirement (15.0 vs 26.4). On rating, ads, in-app purchases and device support there is nothing between them.

On the App Store both sit at effectively the same score — 4.9 for 이북모아 against 5.0 for Readem All. That said, the two scores are not equally well evidenced: 이북모아 has 14 ratings behind it against 1, so its average is the more settled of the two.

이북모아 ships an update fortnightly, Readem All every 3 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 이북모아 | Readem All |
| --- | --- | --- |
| Price | — | **Free** |
| Rating | [4.9 (14 ratings)](https://appshunter.io/ios/app/id6737515173/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/readem-all/id6783239174/reviews)** |
| Number of ratings | **14** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Ad-supported |
| Size | 44 MB | 29 MB |
| Requires iOS | **15.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Jeuk Kim](https://appshunter.io/developer/1776849117) | [JONG AN KIM](https://appshunter.io/developer/6783239176) |

## What reviewers say

### 이북모아

[App page](https://appshunter.io/ios/app/id6737515173)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Readem All

[App page](https://appshunter.io/ios/app/readem-all/id6783239174)

This app combines an e-book reader with a comprehensive offline dictionary, allowing users to look up words instantly while reading. It supports various formats and offers features like search history and spaced repetition reminders for effective language learning.

**Highlights:** Integrated offline English-Korean and English-English dictionaries, Supports EPUB, PDF, and TXT e-book formats, Instant word lookup while reading, Search history and vocabulary export, Spaced repetition review reminders, Camera scan to TXT for paper books

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 이북모아 free?

Pricing for 이북모아 is not currently listed on the App Store.

### Is Readem All free?

Readem All is free to download, with no in-app purchases.

### Which has better reviews, 이북모아 or Readem All?

Readem All is rated higher. 이북모아 averages 4.9 out of 5 from 14 ratings, while Readem All averages 5.0 from 1 ratings.

### Do 이북모아 or Readem All have ads?

Both 이북모아 and Readem All show ads.

### Which is updated more often, 이북모아 or Readem All?

이북모아 ships an update fortnightly, and Readem All every 3 days. Most recently, 이북모아 was updated on October 7, 2026 and Readem All on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*