# 科学计算器：calculator数学多功能计算 vs Convert Image to PDF Easy

The clearest difference is price: 科学计算器：calculator数学多功能计算 at Free against Convert Image to PDF Easy's $1.99. 科学计算器：calculator数学多功能计算 also leads on in-app purchases (none vs 4) and iOS requirement (15.6 vs 17.6). Convert Image to PDF Easy's advantage is ads (none vs shown). On device support there is nothing between them.

科学计算器：calculator数学多功能计算 is free to download; Convert Image to PDF Easy costs $1.99 up front. Convert Image to PDF Easy sells 4 in-app purchases, starting at $1.29 per 7 days. 科学计算器：calculator数学多功能计算 asks for nothing beyond the download.

## The numbers

| Metric | 科学计算器：calculator数学多功能计算 | Convert Image to PDF Easy |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Size | 15 MB | 7 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [乐祥 胡](https://appshunter.io/developer/1572365721) |

## What reviewers say

### 科学计算器：calculator数学多功能计算

[App page](https://appshunter.io/ios/app/calculator/id6745493276)

**Features:** macOS Compatibility

**In-app purchases:** none


### Convert Image to PDF Easy

[App page](https://appshunter.io/ios/app/convert-image-to-pdf-easy/id6757125523)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Image To PDF Premium - weekly | $1.29 | per 7 days |
| Image To PDF Premium -monthly | $1.99 | per month |
| Image To PDF Premium -yearly | $9.99 | per year |
| Image To PDF Premium -lifetime | $12.99 | one-time |


## Frequently asked questions

### Is 科学计算器：calculator数学多功能计算 free?

科学计算器：calculator数学多功能计算 is free to download, with no in-app purchases.

### Is Convert Image to PDF Easy free?

Convert Image to PDF Easy costs $1.99, and also offers in-app purchases.

### Do 科学计算器：calculator数学多功能计算 or Convert Image to PDF Easy have ads?

科学计算器：calculator数学多功能计算 shows ads; Convert Image to PDF Easy 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.*