# Calculus vs 电气工程师学考帮

The clearest difference is in-app purchases: 电气工程师学考帮 at none against Calculus's 1. 电气工程师学考帮 also leads on iOS requirement (15.6 vs 17.6). Calculus's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Calculus sells 1 one-off in-app purchase. 电气工程师学考帮 asks for nothing beyond the download.

Calculus ships an update weekly, 电气工程师学考帮 every 2 months. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Calculus | 电气工程师学考帮 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 29 MB | 135 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [光浩 李](https://appshunter.io/developer/1576352133) | [Guangzhou Yuntai Technology Co., Ltd](https://appshunter.io/developer/6776190940) |

## What reviewers say

### Calculus

[App page](https://appshunter.io/ios/app/calculus-learn-and-practice/id6758305500)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁全部章节 | $9.99 | one-time |


### 电气工程师学考帮

[App page](https://appshunter.io/ios/app/id6776190938)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculus free?

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

### Is 电气工程师学考帮 free?

电气工程师学考帮 is free to download, with no in-app purchases.

### Do Calculus or 电气工程师学考帮 have ads?

Neither Calculus nor 电气工程师学考帮 shows ads.

### Which is updated more often, Calculus or 电气工程师学考帮?

Calculus ships an update weekly, and 电气工程师学考帮 every 2 months. Most recently, Calculus was updated on October 7, 2026 and 电气工程师学考帮 on October 16, 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.*