# 消防工程师 vs 霖观

The clearest difference is iOS requirement: 霖观 at 13.0 against 消防工程师's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 消防工程师 sells 3 one-off in-app purchases and 霖观 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

消防工程师 ships an update every 2 months, 霖观 every 5 weeks. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 消防工程师 | 霖观 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 30 MB | 14 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sichuan Palm Cloud Technology Co., Ltd.](https://appshunter.io/developer/983183897) | [金珂 李](https://appshunter.io/developer/1654843252) |

## What reviewers say

### 消防工程师

[App page](https://appshunter.io/ios/app/2026/id1260266429)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一级注册消防工程师VIP半年包 | $2.99 | one-time |
| 一级注册消防工程师VIP一年包 | $3.99 | one-time |
| 一级注册消防工程师VIP三年包 | $5.99 | one-time |


### 霖观

[App page](https://appshunter.io/ios/app/id6450410286)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 霖观98元课程 | $14.99 | one-time |
| 霖观198元课程 | $29.99 | one-time |
| 霖观298元课程 | $39.99 | one-time |
| 霖观5988元课程 | $899.99 | one-time |


## Frequently asked questions

### Is 消防工程师 free?

消防工程师 is free to download, with in-app purchases available.

### Is 霖观 free?

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

### Do 消防工程师 or 霖观 have ads?

Neither 消防工程师 nor 霖观 shows ads.

### Which is updated more often, 消防工程师 or 霖观?

消防工程师 ships an update every 2 months, and 霖观 every 5 weeks. Most recently, 消防工程师 was updated on September 17, 2026 and 霖观 on September 22, 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.*