# 四年级数学下册 vs 小学同步四年级

The clearest difference is update cadence: 小学同步四年级 at every 3 months against 四年级数学下册's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 四年级数学下册 sells 2 one-off in-app purchases and 小学同步四年级 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

四年级数学下册 ships an update every 7 months, 小学同步四年级 every 3 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | 四年级数学下册 | 小学同步四年级 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Size | 230 MB | 99 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [健 侯](https://appshunter.io/developer/639947044) | [广州格林软件技术有限公司](https://appshunter.io/developer/1796064959) |

## What reviewers say

### 四年级数学下册

[App page](https://appshunter.io/ios/app/app/id1539340453)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 四年级数学下册-人教版小学数学四年级下册数学解题思维辅导 | $0.99 | one-time |
| 加入VIP会员 | $9.99 | one-time |


### 小学同步四年级

[App page](https://appshunter.io/ios/app/id1558050537)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小学同步四年级季卡 | $5.99 | one-time |
| 小学同步四年级年卡 | $9.99 | one-time |


## Frequently asked questions

### Is 四年级数学下册 free?

四年级数学下册 is free to download, with in-app purchases available.

### Is 小学同步四年级 free?

小学同步四年级 is free to download, with in-app purchases available.

### Do 四年级数学下册 or 小学同步四年级 have ads?

Neither 四年级数学下册 nor 小学同步四年级 shows ads.

### Which is updated more often, 四年级数学下册 or 小学同步四年级?

四年级数学下册 ships an update every 7 months, and 小学同步四年级 every 3 months. Most recently, 四年级数学下册 was updated on November 7, 2026 and 小学同步四年级 on November 7, 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.*