# 영어듣기 대충영어 BrainHz vs 산안기

The clearest difference is ads: 영어듣기 대충영어 BrainHz at none against 산안기's shown. 영어듣기 대충영어 BrainHz also leads on update cadence (every 5 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 영어듣기 대충영어 BrainHz sells 6 in-app purchases, starting at $1.99 per month and 산안기 sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

영어듣기 대충영어 BrainHz ships an update every 5 days, 산안기 every 3 weeks. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 영어듣기 대충영어 BrainHz | 산안기 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 91 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [EduO Corp.](https://appshunter.io/developer/1464884658) | [dasong sim](https://appshunter.io/developer/1883683802) |

## What reviewers say

### 영어듣기 대충영어 BrainHz

[App page](https://appshunter.io/ios/app/brainhz/id6761318323)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $1.99 | per month |
| Premium | $9.99 | per month |
| Basic | $11.99 | per 6 months |
| Ultra | $19.99 | per month |
| Premium | $39.99 | per 6 months |
| Ultra | $89.99 | per 6 months |


### 산안기

[App page](https://appshunter.io/ios/app/id6765879972)

This app focuses on effective review and understanding of concepts for the Industrial Safety Engineer exam. It uses an AI-powered algorithm to schedule personalized reviews, identifies your weaknesses, and provides detailed explanations and practice tests. Study efficiently even with limited time.

**Highlights:** AI-powered spaced repetition for optimal review, Concept-based learning with detailed explanations, Personalized weakness analysis and targeted practice, Full-range practice tests simulating the actual exam, Built-in scientific calculator, Offline study support, Progress tracking and study reports

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 월간 | $1.99 | per month |
| 프리미엄 3개월 | $3.99 | per 3 months |
| 프리미엄 평생 | $5.99 | one-time |


## Frequently asked questions

### Is 영어듣기 대충영어 BrainHz free?

영어듣기 대충영어 BrainHz is free to download, with in-app purchases available.

### Is 산안기 free?

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

### Do 영어듣기 대충영어 BrainHz or 산안기 have ads?

산안기 shows ads; 영어듣기 대충영어 BrainHz does not.

### Which is updated more often, 영어듣기 대충영어 BrainHz or 산안기?

영어듣기 대충영어 BrainHz ships an update every 5 days, and 산안기 every 3 weeks. Most recently, 영어듣기 대충영어 BrainHz was updated on October 19, 2026 and 산안기 on October 18, 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.*