# 计算器语音大师 vs Scientific Computer

The clearest difference is in-app purchases: 计算器语音大师 at none against Scientific Computer's 1. Scientific Computer's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for 计算器语音大师 against 5.0 for Scientific Computer. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

计算器语音大师 ships an update every 5 weeks, Scientific Computer every 2 weeks. The most recent releases landed on September 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 计算器语音大师 | Scientific Computer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id6463098677/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/scientific-computer/id6737824642/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 9 MB | 118 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京重力无限科技有限公司](https://appshunter.io/developer/1809320038) | [Wuhan Sheshou Technology Co.,Ltd.](https://appshunter.io/developer/1645260509) |

## What reviewers say

### 计算器语音大师

[App page](https://appshunter.io/ios/app/id6463098677)

**Features:** macOS Compatibility

**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 计算器语音大师 free?

计算器语音大师 is free to download, with no in-app purchases.

### Is Scientific Computer free?

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

### Which has better reviews, 计算器语音大师 or Scientific Computer?

计算器语音大师 and Scientific Computer are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do 计算器语音大师 or Scientific Computer have ads?

Neither 计算器语音大师 nor Scientific Computer shows ads.

### Which is updated more often, 计算器语音大师 or Scientific Computer?

计算器语音大师 ships an update every 5 weeks, and Scientific Computer every 2 weeks. Most recently, 计算器语音大师 was updated on September 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.*