# 消防工程师题库2021 vs 消防工程师易题库

The clearest difference is update cadence: 消防工程师易题库 at every 7 months against 消防工程师题库2021's every 36 months. 消防工程师易题库 also leads on iOS requirement (11 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 消防工程师题库2021 sells 9 one-off in-app purchases and 消防工程师易题库 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

消防工程师题库2021 ships an update every 36 months, 消防工程师易题库 every 7 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 消防工程师题库2021 | 消防工程师易题库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 7 months** |
| Size | 30 MB | 54 MB |
| Requires iOS | 13.0 | **11** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [盼 朱](https://appshunter.io/developer/1708664205) | [红梅 李](https://appshunter.io/developer/1691801179) |

## What reviewers say

### 消防工程师题库2021

[App page](https://appshunter.io/ios/app/2021/id1577317319)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP1个月 | $2.99 | one-time |
| VIP3个月 | $3.99 | one-time |
| VIP6个月 | $6.99 | one-time |
| VIP12个月 | $12.99 | one-time |
| 价值98元的课程 | $14.99 | one-time |
| 价值198元的课程 | $29.99 | one-time |
| 价值298元的课程 | $46.99 | one-time |
| 价值388元的课程 | $59.99 | one-time |
| 价值488元的课程 | $74.99 | one-time |


### 消防工程师易题库

[App page](https://appshunter.io/ios/app/2025/id6744343735)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 消防工程师易题库1个月会员 | $2.99 | one-time |
| 消防工程师易题库3个月会员 | $3.99 | one-time |
| 消防工程师易题库6个月会员 | $6.99 | one-time |
| 消防工程师易题库12个月会员 | $12.99 | one-time |


## Frequently asked questions

### Is 消防工程师题库2021 free?

消防工程师题库2021 is free to download, with in-app purchases available.

### Is 消防工程师易题库 free?

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

### Do 消防工程师题库2021 or 消防工程师易题库 have ads?

Neither 消防工程师题库2021 nor 消防工程师易题库 shows ads.

### Which is updated more often, 消防工程师题库2021 or 消防工程师易题库?

消防工程师题库2021 ships an update every 36 months, and 消防工程师易题库 every 7 months. Most recently, 消防工程师题库2021 was updated on October 9, 2026 and 消防工程师易题库 on October 24, 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.*