# 四年级英语上册 vs 四年级英语下册

The clearest difference is update cadence: 四年级英语下册 at every 8 months against 四年级英语上册's every 35 months. 四年级英语下册 also leads on iOS requirement (11.0 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 四年级英语下册 sells 10 one-off in-app purchases. 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, 四年级英语下册 every 8 months. The most recent releases landed on September 8, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 四年级英语上册 | 四年级英语下册 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 8 months** |
| Size | 120 MB | 157 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [卫英 肖](https://appshunter.io/developer/1220418402) | [健 侯](https://appshunter.io/developer/639947044) |

## 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 |


### 四年级英语下册

[App page](https://appshunter.io/ios/app/pepapp/id1551184433)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 五年级上册（人教版PEP英语）内容解锁 | $2.99 | one-time |
| 三年级上册（人教版PEP英语）内容解锁 | $2.99 | one-time |
| 三年级下册（人教版PEP英语）内容解锁 | $2.99 | one-time |
| 四年级上册（人教版PEP英语）内容解锁 | $2.99 | one-time |
| 四年级下册（人教版PEP英语）内容解锁 | $2.99 | one-time |
| 六年级上册（人教版PEP英语）内容解锁 | $2.99 | one-time |
| 五年级下册（人教版PEP英语）内容解锁 | $2.99 | one-time |
| 六年级下册（人教版PEP英语）内容解锁 | $2.99 | one-time |
| 永久VIP会员 | $8.99 | one-time |
| 小学全套（人教版PEP英语）内容解锁 | $9.99 | 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 四年级英语下册 free?

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

### Do 四年级英语上册 or 四年级英语下册 have ads?

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

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

四年级英语上册 ships an update every 35 months, and 四年级英语下册 every 8 months. Most recently, 四年级英语上册 was updated on September 8, 2026 and 四年级英语下册 on September 15, 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.*