# Computer Science Calculations vs 程序开发工具箱

The clearest difference is in-app purchases: 程序开发工具箱 at none against Computer Science Calculations's 3. 程序开发工具箱 also leads on ads (none vs shown) and update cadence (every 6 days vs monthly). On price and device support there is nothing between them.

Both are free to download. Computer Science Calculations sells 3 in-app purchases, starting at $0.99 per 3 months. 程序开发工具箱 asks for nothing beyond the download.

Computer Science Calculations ships an update monthly, 程序开发工具箱 every 6 days. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Computer Science Calculations | 程序开发工具箱 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 6 days** |
| Size | 26 MB | 8 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [兆豪 梁](https://appshunter.io/developer/1576624708) |

## What reviewers say

### Computer Science Calculations

[App page](https://appshunter.io/ios/app/computer-science-calculations/id1488787780)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Version (3 months) | $0.99 | per 3 months |
| PRO Version (1 year) | $2.49 | per year |
| PRO Version (Lifetime) | $89.99 | one-time |


### 程序开发工具箱

[App page](https://appshunter.io/ios/app/id1581732098)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Computer Science Calculations free?

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

### Is 程序开发工具箱 free?

程序开发工具箱 is free to download, with no in-app purchases.

### Do Computer Science Calculations or 程序开发工具箱 have ads?

Computer Science Calculations shows ads; 程序开发工具箱 does not.

### Which is updated more often, Computer Science Calculations or 程序开发工具箱?

Computer Science Calculations ships an update monthly, and 程序开发工具箱 every 6 days. Most recently, Computer Science Calculations was updated on October 23, 2026 and 程序开发工具箱 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.*