# 正修微積分 vs Calculus

The clearest difference is in-app purchases: 正修微積分 at none against Calculus's 1. 正修微積分 also leads on iOS requirement (6.0 vs 17.6). Calculus's advantage is device support. On price there is nothing between them.

Both are free to download. Calculus sells 1 one-off in-app purchase. 正修微積分 asks for nothing beyond the download.

## The numbers

| Metric | 正修微積分 | Calculus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id535402014/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Weekly |
| Size | 29 MB | 29 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | — | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Nusoft](https://appshunter.io/developer/512462493) | [光浩 李](https://appshunter.io/developer/1576352133) |

## What reviewers say

### 正修微積分

[App page](https://appshunter.io/ios/app/id535402014)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 正修微積分 free?

正修微積分 is free to download, with no in-app purchases.

### Is Calculus free?

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

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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.*