# 计算工具箱 vs CalcKing Pro

The clearest difference is iOS requirement: 计算工具箱 at 9.0 against CalcKing Pro's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 计算工具箱 sells 2 one-off in-app purchases and CalcKing Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | 计算工具箱 | CalcKing Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 19 MB | 2 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MANTEN KAIHATSU Inc](https://appshunter.io/developer/1077623520) | [文娟 唐](https://appshunter.io/developer/1870722016) |

## What reviewers say

### 计算工具箱

[App page](https://appshunter.io/ios/app/id6448837084)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解签 | $0.99 | one-time |
| 求签 | $0.99 | one-time |


### CalcKing Pro

[App page](https://appshunter.io/ios/app/calcking-pro-professional/id6758431895)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁功能 | $3.99 | one-time |


## Frequently asked questions

### Is 计算工具箱 free?

计算工具箱 is free to download, with in-app purchases available.

### Is CalcKing Pro free?

CalcKing Pro is free to download, with in-app purchases available.

### Do 计算工具箱 or CalcKing Pro have ads?

Neither 计算工具箱 nor CalcKing Pro shows ads.

### Which is updated more often, 计算工具箱 or CalcKing Pro?

计算工具箱 ships an update weekly, and CalcKing Pro weekly. Most recently, 计算工具箱 was updated on October 25, 2026 and CalcKing Pro on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*