# Calculator vs 计算器Pro

The clearest difference is ads: Calculator at none against 计算器Pro's shown. Calculator also leads on update cadence (fortnightly vs every 39 months) and price ($0.99 vs $2.99). On in-app purchases there is nothing between them.

Calculator costs $0.99 and 计算器Pro $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator ships an update fortnightly, 计算器Pro every 39 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Calculator | 计算器Pro |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 39 months |
| Size | 7 MB | 29 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Osman Ertem UNAT](https://appshunter.io/developer/1648444108) | [Beijing Doudou bird Technology Co., Ltd.](https://appshunter.io/developer/1383154758) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-unlimited/id6443694732)

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

**In-app purchases:** none


### 计算器Pro

[App page](https://appshunter.io/ios/app/pro/id6450943764)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

Calculator costs $0.99, with no in-app purchases.

### Is 计算器Pro free?

计算器Pro costs $2.99, with no in-app purchases.

### Do Calculator or 计算器Pro have ads?

计算器Pro shows ads; Calculator does not.

### Which is updated more often, Calculator or 计算器Pro?

Calculator ships an update fortnightly, and 计算器Pro every 39 months. Most recently, Calculator was updated on November 7, 2026 and 计算器Pro on November 3, 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.*