# 四年级英语上册 vs 三年级英语下册

The clearest difference is update cadence: 三年级英语下册 at every 2 months against 四年级英语上册's every 35 months. 三年级英语下册 also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 四年级英语上册 sells 1 one-off in-app purchase and 三年级英语下册 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

四年级英语上册 ships an update every 35 months, 三年级英语下册 every 2 months. The most recent releases landed on September 8, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | 四年级英语上册 | 三年级英语下册 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 2 months** |
| Size | 120 MB | 129 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [卫英 肖](https://appshunter.io/developer/1220418402) | [文芳 邓](https://appshunter.io/developer/1641064831) |

## What reviewers say

### 四年级英语上册

[App page](https://appshunter.io/ios/app/pep/id1529824075)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁全部章节内容 | $3.99 | one-time |


### 三年级英语下册

[App page](https://appshunter.io/ios/app/pep/id6740423191)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁全部内容 | $2.99 | one-time |


## Frequently asked questions

### Is 四年级英语上册 free?

四年级英语上册 is free to download, with in-app purchases available.

### Is 三年级英语下册 free?

三年级英语下册 is free to download, with in-app purchases available.

### Do 四年级英语上册 or 三年级英语下册 have ads?

Neither 四年级英语上册 nor 三年级英语下册 shows ads.

### Which is updated more often, 四年级英语上册 or 三年级英语下册?

四年级英语上册 ships an update every 35 months, and 三年级英语下册 every 2 months. Most recently, 四年级英语上册 was updated on September 8, 2026 and 三年级英语下册 on September 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*