Comparison

윤재성 소리영어 vs 벼랑스피킹

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

Head to head

윤재성 소리영어

Free

📚 Education

★ 3.86 ratingsView app →

About

윤재성 소리영어

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

Read full description

본 어플은 윤재성 영어의 아이폰 전용 어플로 아쿠아 플레이어를 장착한 강의용 어플입니다. 어플에서 영상강의 및 음성강의를 지원하며 음성강의의 경우 백그라운드에서 동작하여 편리하게 학습을 할 수 있습니다. DRM 기능으로 다운받은 컨텐츠는 48시간 동안 사용가능합니다.

About

벼랑스피킹

Features

Read full description

벼랑영어 수강생만 이용가능합니다. [주요기능] - 벼랑영어 커리큘럼 오디오 다운로드 - 쉽고 간편한 반복 녹음 - 스피킹 훈련 / 작문 훈련 [필수적 접근 권한] - 녹음 : 스피킹 훈련을 위한 마이크 권한 - 음성인식 : 작문 초안을 작성하기 위한 음성인식 권한 - 저장공간: 콘텐츠 다운로드 및 재생 개발자 연락처 : 벼랑영어 교무실 02-336-8992

Screenshots

윤재성 소리영어4 screens

벼랑스피킹4 screens

Verdict

The call

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.

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

UpkeepUpdate frequency

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

Scorecard3 real differences · 7 level

윤재성 소리영어 versus 벼랑스피킹: the parameters behind the verdict, then further details
Parameter	윤재성 소리영어	벼랑스피킹
Price	Free	Free
Rating	3.8 (6 ratings) — better	—
Positive reviews	28.6% of reviews	100.0% of reviews — better
Number of ratings	6 — better	—
Update frequency	Every 5 weeks	Every 5 weeks
Ads	No	No
In-app purchases	Yes	No — better
Monetization	Free with in-app purchases	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.0 — better	15.6
Further details — not scored
Size	41 MB	80 MB
Age rating	4+	4+
Developer	YUNJEASUNG ENGLISH Co.,Ltd.	YONGKWAN KWON

Customer experience

윤재성 소리영어

All ratings6 ratings

Positive50.0%

Neutral50.0%

Negative0.0%

Written reviews14 reviews

Positive28.6%

Neutral21.4%

Negative50.0%

벼랑스피킹

Written reviews2 reviews

Positive100.0%

Neutral0.0%

Negative0.0%

In-app purchases

1 purchases

윤재성 소리영어

One-time1

윤재성 영어 강의$499.99

None

벼랑스피킹

No in-app purchases

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.