# 小丁同学 vs 四年级英语上册

The clearest difference is update cadence: 小丁同学 at fortnightly against 四年级英语上册's every 7 months. 四年级英语上册's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 小丁同学 sells 5 one-off in-app purchases and 四年级英语上册 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

小丁同学 ships an update fortnightly, 四年级英语上册 every 7 months. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | 小丁同学 | 四年级英语上册 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Size | 22 MB | 143 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Yida Electronic Technology Co., Ltd.](https://appshunter.io/developer/1517744915) | [健 侯](https://appshunter.io/developer/639947044) |

## What reviewers say

### 小丁同学

[App page](https://appshunter.io/ios/app/app/id1517745066)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2500学习币 | $3.99 | one-time |
| 5000学习币赠530学习币 | $6.99 | one-time |
| 10800学习币赠1200学习币 | $14.99 | one-time |
| 32800学习币赠4100学习币 | $49.99 | one-time |
| 64800学习币赠8700学习币 | $99.99 | one-time |


### 四年级英语上册

[App page](https://appshunter.io/ios/app/pepapp/id1551184431)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 四年级英语下册-译林小学英语四年级下册-苏教版英语步网络课堂 | $2.99 | one-time |
| 四年级英语上册-湘少版-四年级上册英语-人教版英语四年级上册 | $2.99 | one-time |
| 四年级上册英语-苏教版英语四年级上册-译林小学英语-英语四上 | $2.99 | one-time |
| 湘少版四年级英语下册-英语四下-英语四年级下册（人教版） | $2.99 | one-time |
| 四年级英语上册-北京版-四年级上册英语-人教版英语四年级上册 | $2.99 | one-time |
| 北京版四年级英语下册-英语四下-英语四年级下册（人教版） | $2.99 | one-time |
| 四年级英语上册-外研版小学英语-四年级上册英语-外研随身学 | $2.99 | one-time |
| 四年级英语下册-外研版小学英语-四年级下册英语-英语四年级下 | $2.99 | one-time |
| 外研版小学英语-四年级英语上册-外研随身学-四年级上册英语 | $2.99 | one-time |
| 四年级英语下册-外研版小学英语-四年级下册英语-外研通-英语 | $2.99 | one-time |


## Frequently asked questions

### Is 小丁同学 free?

小丁同学 is free to download, with in-app purchases available.

### 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.

### Do 小丁同学 or 四年级英语上册 have ads?

Neither 小丁同学 nor 四年级英语上册 shows ads.

### Which is updated more often, 小丁同学 or 四年级英语上册?

小丁同学 ships an update fortnightly, and 四年级英语上册 every 7 months. Most recently, 小丁同学 was updated on September 10, 2026 and 四年级英语上册 on June 1, 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.*