# 注册消防工程师考试辅导 vs STJ79

The clearest difference is ads: STJ79 at none against 注册消防工程师考试辅导's shown. 注册消防工程师考试辅导's advantage is update cadence (every 3 weeks vs every 4 months). 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.

注册消防工程师考试辅导 ships an update every 3 weeks, STJ79 every 4 months. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 注册消防工程师考试辅导 | STJ79 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 86 MB | 14 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [正洪 王](https://appshunter.io/developer/1041876354) | [亚男 杨](https://appshunter.io/developer/1485381560) |

## What reviewers say

### 注册消防工程师考试辅导

[App page](https://appshunter.io/ios/app/id1314874018)

**In-app purchases:** none


### STJ79

[App page](https://appshunter.io/ios/app/stj79/id1485381561)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 注册消防工程师考试辅导 free?

注册消防工程师考试辅导 is free to download, with no in-app purchases.

### Is STJ79 free?

STJ79 is free to download, with no in-app purchases.

### Do 注册消防工程师考试辅导 or STJ79 have ads?

注册消防工程师考试辅导 shows ads; STJ79 does not.

### Which is updated more often, 注册消防工程师考试辅导 or STJ79?

注册消防工程师考试辅导 ships an update every 3 weeks, and STJ79 every 4 months. Most recently, 注册消防工程师考试辅导 was updated on October 6, 2026 and STJ79 on October 21, 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.*