# 知新教育 vs 安全员练题狗

The clearest difference is in-app purchases: 知新教育 at none against 安全员练题狗's 9. 知新教育 also leads on update cadence (every 10 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 安全员练题狗 sells 9 one-off in-app purchases. 知新教育 asks for nothing beyond the download.

知新教育 ships an update every 10 days, 安全员练题狗 every 6 months. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 知新教育 | 安全员练题狗 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/abc/id1587854075/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 90.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 months |
| Monetization | — | Free |
| Size | 80 MB | 118 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Supersky Co.,Ltd](https://appshunter.io/developer/1004311107) | [重庆知典科技有限公司](https://appshunter.io/developer/1030641480) |

## What reviewers say

### 知新教育

[App page](https://appshunter.io/ios/app/id1004311108)

**Features:** macOS Compatibility

**In-app purchases:** none


### 安全员练题狗

[App page](https://appshunter.io/ios/app/abc/id1587854075)

This app helps users prepare for safety officer certification exams (A, B, and C). It offers AI-powered practice questions, analysis of weak areas, and spaced repetition techniques to improve knowledge retention. Access past exams, high-frequency questions, and detailed explanations to study efficiently.

**Highlights:** AI-powered adaptive learning, Chapter-specific practice questions, Past exam papers, High-frequency question analysis, Error correction and consolidation, AI-driven question recommendations, Exam simulation

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 安全员练题狗充值1余额 | $0.99 | one-time |
| 安全员练题狗充值6余额 | $0.99 | one-time |
| 安全员练题狗充值18余额 | $2.99 | one-time |
| 安全员练题狗充值50余额 | $6.99 | one-time |
| 安全员练题狗充值88余额 | $12.99 | one-time |
| 安全员练题狗充值128余额 | $19.99 | one-time |
| 安全员练题狗充值168余额 | $24.99 | one-time |
| 安全员练题狗充值198余额 | $29.99 | one-time |
| 安全员练题狗充值298余额 | $39.99 | one-time |


## Frequently asked questions

### Is 知新教育 free?

知新教育 is free to download, with no in-app purchases.

### Is 安全员练题狗 free?

安全员练题狗 is free to download, with in-app purchases available.

### Do 知新教育 or 安全员练题狗 have ads?

Neither 知新教育 nor 安全员练题狗 shows ads.

### Which is updated more often, 知新教育 or 安全员练题狗?

知新教育 ships an update every 10 days, and 安全员练题狗 every 6 months. Most recently, 知新教育 was updated on October 16, 2026 and 安全员练题狗 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.*