# 计算机 vs Scientific Computer

The clearest difference is in-app purchases: 计算机 at none against Scientific Computer's 1. Scientific Computer's advantage is update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Scientific Computer sells 1 in-app purchase, starting at $5.99 per 7 days. 计算机 asks for nothing beyond the download.

计算机 ships an update every 5 weeks, Scientific Computer every 2 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 计算机 | 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 10 MB | 118 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Duoku Technology Co., Ltd.](https://appshunter.io/developer/1699377059) | [Wuhan Sheshou Technology Co.,Ltd.](https://appshunter.io/developer/1645260509) |

## What reviewers say

### 计算机

[App page](https://appshunter.io/ios/app/id6462841711)

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

**In-app purchases:** none


### 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 计算机 free?

计算机 is free to download, with no in-app purchases.

### Is Scientific Computer free?

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

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

Neither 计算机 nor Scientific Computer shows ads.

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

计算机 ships an update every 5 weeks, and Scientific Computer every 2 weeks. Most recently, 计算机 was updated on October 25, 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.*