# 윤재성 소리영어 vs 벼랑스피킹

The clearest difference is review sentiment: 벼랑스피킹 at 100% against 윤재성 소리영어's 29%. 벼랑스피킹 also leads on in-app purchases (none vs 1). 윤재성 소리영어's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 윤재성 소리영어 sells 1 one-off in-app purchase. 벼랑스피킹 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 윤재성 소리영어 | 벼랑스피킹 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/id1409088377/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 28.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 80 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YUNJEASUNG ENGLISH Co.,Ltd.](https://appshunter.io/developer/1409088376) | [YONGKWAN KWON](https://appshunter.io/developer/1404931576) |

## What reviewers say

### 윤재성 소리영어

[App page](https://appshunter.io/ios/app/id1409088377)

This iPhone-exclusive app provides video and audio lectures for English learning. Audio lectures can play in the background for convenient study. Downloaded content is accessible for 48 hours due to DRM.

**Highlights:** Video lectures, Audio lectures, Background audio playback, DRM protected content, Aqua player

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 윤재성 영어 강의 | $499.99 | one-time |


### 벼랑스피킹

[App page](https://appshunter.io/ios/app/id1574123713)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 윤재성 소리영어 free?

윤재성 소리영어 is free to download, with in-app purchases available.

### Is 벼랑스피킹 free?

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

### Do 윤재성 소리영어 or 벼랑스피킹 have ads?

Neither 윤재성 소리영어 nor 벼랑스피킹 shows ads.

### Which is updated more often, 윤재성 소리영어 or 벼랑스피킹?

윤재성 소리영어 ships an update every 5 weeks, and 벼랑스피킹 every 5 weeks. Most recently, 윤재성 소리영어 was updated on September 29, 2026 and 벼랑스피킹 on September 28, 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.*