# 润工宝 vs 安全知识培训

The clearest difference is ads: 安全知识培训 at none against 润工宝's shown. 安全知识培训 also leads on update cadence (daily vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

润工宝 ships an update every 2 weeks, 安全知识培训 daily. The most recent releases landed on September 14, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | 润工宝 | 安全知识培训 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 62 MB | 15 MB |
| Requires iOS | 12.0 | **11** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [锋 徐](https://appshunter.io/developer/1643833148) | [创联教育](https://appshunter.io/developer/859888722) |

## What reviewers say

### 润工宝

[App page](https://appshunter.io/ios/app/id6443620096)

**In-app purchases:** none


### 安全知识培训

[App page](https://appshunter.io/ios/app/id6480403897)

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

**In-app purchases:** none


## Frequently asked questions

### Is 润工宝 free?

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

### Is 安全知识培训 free?

安全知识培训 is free to download, with no in-app purchases.

### Do 润工宝 or 安全知识培训 have ads?

润工宝 shows ads; 安全知识培训 does not.

### Which is updated more often, 润工宝 or 安全知识培训?

润工宝 ships an update every 2 weeks, and 安全知识培训 daily. Most recently, 润工宝 was updated on September 14, 2026 and 安全知识培训 on August 13, 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.*