# 英语四级听力 vs Calculus

The clearest difference is ads: Calculus at none against 英语四级听力's shown. Calculus also leads on update cadence (every 3 days vs every 2 weeks). 英语四级听力's advantage is iOS requirement (12.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 英语四级听力 sells 4 one-off in-app purchases and Calculus sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

英语四级听力 ships an update every 2 weeks, Calculus every 3 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | 英语四级听力 | 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 | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 33 MB | 109 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [天津爱语吧科技有限公司](https://appshunter.io/developer/1787504597) | [光浩 李](https://appshunter.io/developer/1576352133) |

## What reviewers say

### 英语四级听力

[App page](https://appshunter.io/ios/app/id6747796947)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 本应用会员一个月 | $3.99 | one-time |
| 本应用会员六个月 | $9.99 | one-time |
| 本应用会员十二个月 | $14.99 | one-time |
| 本应用会员三十六个月 | $29.99 | one-time |


### Calculus

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

**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 英语四级听力 free?

英语四级听力 is free to download, with in-app purchases available.

### Is Calculus free?

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

### Do 英语四级听力 or Calculus have ads?

英语四级听力 shows ads; Calculus does not.

### Which is updated more often, 英语四级听力 or Calculus?

英语四级听力 ships an update every 2 weeks, and Calculus every 3 days. Most recently, 英语四级听力 was updated on October 25, 2026 and Calculus 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.*