# 五年级奥数HD vs 二年级奥数教程

The clearest difference is update cadence: 五年级奥数HD at every 3 months against 二年级奥数教程's every 23 months. 五年级奥数HD also leads on iOS requirement (9.0 vs 12.0). 二年级奥数教程's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. 五年级奥数HD sells 10 one-off in-app purchases and 二年级奥数教程 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

五年级奥数HD ships an update every 3 months, 二年级奥数教程 every 23 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 五年级奥数HD | 二年级奥数教程 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 23 months |
| Size | 59 MB | 157 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [志军 王](https://appshunter.io/developer/842570665) | [Kunming Jianet Technology Co., Ltd.](https://appshunter.io/developer/1465682556) |

## What reviewers say

### 五年级奥数HD

[App page](https://appshunter.io/ios/app/hd/id953124351)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 精选的50道题目(二) | $0.99 | one-time |
| 精选的50道题目(三) | $0.99 | one-time |
| 精选的50道题目(四) | $0.99 | one-time |
| 精选的50道题目(五) | $0.99 | one-time |
| 50道精选的题目(六) | $0.99 | one-time |
| 精选的50道题目(七) | $0.99 | one-time |
| 精选的50道题目(八) | $0.99 | one-time |
| 试卷生成功能 | $0.99 | one-time |
| 精选的50道题目(九) | $0.99 | one-time |
| 无限制全部功能 | $2.99 | one-time |


### 二年级奥数教程

[App page](https://appshunter.io/ios/app/id1544606077)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12元解锁所有课程和习题 | $1.99 | one-time |


## Frequently asked questions

### Is 五年级奥数HD free?

五年级奥数HD is free to download, with in-app purchases available.

### Is 二年级奥数教程 free?

二年级奥数教程 is free to download, with in-app purchases available.

### Do 五年级奥数HD or 二年级奥数教程 have ads?

Neither 五年级奥数HD nor 二年级奥数教程 shows ads.

### Which is updated more often, 五年级奥数HD or 二年级奥数教程?

五年级奥数HD ships an update every 3 months, and 二年级奥数教程 every 23 months. Most recently, 五年级奥数HD was updated on October 7, 2026 and 二年级奥数教程 on October 9, 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.*