# 영어발음단기완성 vs Pikabook

The clearest difference is update cadence: Pikabook at every 3 months against 영어발음단기완성's every 46 months. 영어발음단기완성's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

영어발음단기완성 ships an update every 46 months, Pikabook every 3 months. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 영어발음단기완성 | Pikabook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 3 months** |
| Size | 154 MB | 82 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kwang Jae LEE](https://appshunter.io/developer/770532433) | [Eun Kyung Kim](https://appshunter.io/developer/1811050538) |

## What reviewers say

### 영어발음단기완성

[App page](https://appshunter.io/ios/app/id770532430)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pikabook

[App page](https://appshunter.io/ios/app/pikabook/id6745157690)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 영어발음단기완성 free?

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

### Is Pikabook free?

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

### Do 영어발음단기완성 or Pikabook have ads?

Neither 영어발음단기완성 nor Pikabook shows ads.

### Which is updated more often, 영어발음단기완성 or Pikabook?

영어발음단기완성 ships an update every 46 months, and Pikabook every 3 months. Most recently, 영어발음단기완성 was updated on October 6, 2026 and Pikabook on October 25, 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.*