# 希赛考研助手 vs Calculus

The clearest difference is in-app purchases: 希赛考研助手 at none against Calculus's 4. 希赛考研助手 also leads on iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Calculus sells 4 in-app purchases, starting at $1.99 per month. 希赛考研助手 asks for nothing beyond the download.

## The numbers

| Metric | 希赛考研助手 | Calculus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calculus-learn-and-practice/id6758305500/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | — | Freemium |
| Size | 135 MB | 110 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 9+ | 4+ |
| Developer | [Changsha Xisai Liman Education Technology Co., Ltd](https://appshunter.io/developer/1466745593) | [光浩 李](https://appshunter.io/developer/1576352133) |

## What reviewers say

### 希赛考研助手

[App page](https://appshunter.io/ios/app/id6743483974)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculus

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

This app makes learning calculus intuitive with interactive animations, step-by-step worked examples, and instantly graded practice problems. It covers a full first-year calculus course, including differential equations and multivariable calculus, with historical context and personalized review.

**Highlights:** Interactive concept animations, Worked examples with solutions, Instantly graded practice problems, Math-history stories, Mistake tracking and mastery, Spaced review, Study Desk with micro-experiments

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculus Pro Monthly | $1.99 | per month |
| Calculus Pro Yearly | $9.99 | per year |
| Unlock All Chapters | $9.99 | one-time |
| Calculus Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is 希赛考研助手 free?

希赛考研助手 is free to download, with no in-app purchases.

### Is Calculus free?

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

### Do 希赛考研助手 or Calculus have ads?

Neither 希赛考研助手 nor Calculus shows ads.

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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.*