# Calculator HD vs 计算器语音大师

The clearest difference is update cadence: 计算器语音大师 at every 5 weeks against Calculator HD's every 6 months. Calculator HD's advantage is iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculator HD ships an update every 6 months, 计算器语音大师 every 5 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Calculator HD | 计算器语音大师 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Size | 24 MB | 9 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhuhai Record Yi Technology Co.,Ltd.](https://appshunter.io/developer/1638483191) | [北京重力无限科技有限公司](https://appshunter.io/developer/1809320038) |

## What reviewers say

### Calculator HD

[App page](https://appshunter.io/ios/app/calculator-hd-scientific/id1658965963)

**Features:** macOS Compatibility

**In-app purchases:** none


### 计算器语音大师

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator HD free?

Calculator HD is free to download, with no in-app purchases.

### 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.

### Do Calculator HD or 计算器语音大师 have ads?

Neither Calculator HD nor 计算器语音大师 shows ads.

### Which is updated more often, Calculator HD or 计算器语音大师?

Calculator HD ships an update every 6 months, and 计算器语音大师 every 5 weeks. Most recently, Calculator HD was updated on October 27, 2026 and 计算器语音大师 on October 30, 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.*