# 认识动物 vs 二级造价工程师

The clearest difference is in-app purchases: 认识动物 at none against 二级造价工程师's 4. 二级造价工程师's advantage is update cadence (every 8 months vs every 28 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 二级造价工程师 sells 4 one-off in-app purchases. 认识动物 asks for nothing beyond the download.

认识动物 ships an update every 28 months, 二级造价工程师 every 8 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 认识动物 | 二级造价工程师 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 8 months** |
| Size | 43 MB | 45 MB |
| Requires iOS | **10.0** | 11 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [树艳 常](https://appshunter.io/developer/1373083142) | [红梅 李](https://appshunter.io/developer/1691801179) |

## What reviewers say

### 认识动物

[App page](https://appshunter.io/ios/app/id1381007690)

**Features:** macOS Compatibility

**In-app purchases:** none


### 二级造价工程师

[App page](https://appshunter.io/ios/app/id6476777317)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 二级造价工程师题库1个月会员 | $2.99 | one-time |
| 二级造价工程师题库9个月会员 | $3.99 | one-time |
| 二级造价工程师题库12个月会员 | $4.99 | one-time |
| 二级造价工程师题库24个月会员 | $9.99 | one-time |


## Frequently asked questions

### Is 认识动物 free?

认识动物 is free to download, with no in-app purchases.

### Is 二级造价工程师 free?

二级造价工程师 is free to download, with in-app purchases available.

### Do 认识动物 or 二级造价工程师 have ads?

Neither 认识动物 nor 二级造价工程师 shows ads.

### Which is updated more often, 认识动物 or 二级造价工程师?

认识动物 ships an update every 28 months, and 二级造价工程师 every 8 months. Most recently, 认识动物 was updated on October 7, 2026 and 二级造价工程师 on October 14, 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.*