# 单位转换：科学单位多功能换算计算器 vs Insect Identifier

The clearest difference is in-app purchases: 单位转换：科学单位多功能换算计算器 at none against Insect Identifier's 2. 单位转换：科学单位多功能换算计算器 also leads on iOS requirement (15.6 vs 18.0). Insect Identifier's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Insect Identifier sells 2 in-app purchases, starting at $5.99 per 7 days. 单位转换：科学单位多功能换算计算器 asks for nothing beyond the download.

## The numbers

| Metric | 单位转换：科学单位多功能换算计算器 | Insect Identifier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 7 months |
| Size | 15 MB | 24 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [Antonio Ferrara](https://appshunter.io/developer/1614412867) |

## What reviewers say

### 单位转换：科学单位多功能换算计算器

[App page](https://appshunter.io/ios/app/id6745574028)

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

**In-app purchases:** none


### Insect Identifier

[App page](https://appshunter.io/ios/app/insect-identifier-bugdex/id6759280477)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $5.99 | per 7 days |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is 单位转换：科学单位多功能换算计算器 free?

单位转换：科学单位多功能换算计算器 is free to download, with no in-app purchases.

### Is Insect Identifier free?

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

### Do 单位转换：科学单位多功能换算计算器 or Insect Identifier have ads?

单位转换：科学单位多功能换算计算器 shows ads; Insect Identifier does not.

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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.*