# 计算器 vs Scientific Computer

The clearest difference is iOS requirement: 计算器 at 11.0 against Scientific Computer's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 计算器 sells 7 in-app purchases, starting at $0.99 per 7 days and Scientific Computer sells 1 in-app purchase, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

计算器 ships an update every 10 days, Scientific Computer every 2 weeks. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 计算器 | Scientific Computer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scientific-computer/id6737824642/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 125 MB | 118 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [冠维 骆](https://appshunter.io/developer/1711309192) | [Wuhan Sheshou Technology Co.,Ltd.](https://appshunter.io/developer/1645260509) |

## What reviewers say

### 计算器

[App page](https://appshunter.io/ios/app/id6497794776)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $0.99 | per 7 days |
| 周会员 | $3.99 | per 7 days |
| 月会员 | $5.99 | per month |
| 年会员 | $14.99 | per year |
| 周会员 | $3.99 | one-time |
| 月会员 | $4.99 | one-time |
| 年会员 | $14.99 | one-time |


### Scientific Computer

[App page](https://appshunter.io/ios/app/scientific-computer/id6737824642)

This app offers a comprehensive suite of calculation tools, including basic, scientific, mortgage, and tax calculators. It also provides unit conversions, date calculations, and a compass with location data. Manage your finances, plan projects, and navigate with ease using its multifunctional features.

**Highlights:** Basic and scientific calculations, Mortgage and personal income tax calculator, Date and unit conversion, Compass with GPS data, Score calculator, Base conversion

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One week membership | $5.99 | per 7 days |


## Frequently asked questions

### Is 计算器 free?

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

### Is Scientific Computer free?

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

### Do 计算器 or Scientific Computer have ads?

Neither 计算器 nor Scientific Computer shows ads.

### Which is updated more often, 计算器 or Scientific Computer?

计算器 ships an update every 10 days, and Scientific Computer every 2 weeks. Most recently, 计算器 was updated on October 6, 2026 and Scientific Computer on October 7, 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.*