# 妙音少儿国学 vs MathStepMath

The clearest difference is in-app purchases: MathStepMath at none against 妙音少儿国学's 10. 妙音少儿国学's advantage is iOS requirement (13.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 妙音少儿国学 sells 10 one-off in-app purchases. MathStepMath asks for nothing beyond the download.

妙音少儿国学 ships an update every 5 months, MathStepMath every 6 months. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | 妙音少儿国学 | MathStepMath |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Size | 44 MB | 24 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Beijing Miaoyin Digital Technology Co., Ltd](https://appshunter.io/developer/1258076007) | [Tong Qingchao](https://appshunter.io/developer/1534348418) |

## What reviewers say

### 妙音少儿国学

[App page](https://appshunter.io/ios/app/id6739520856)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 古诗学堂 | $9.99 | one-time |
| 弟子规 | $14.99 | one-time |
| 每日一句学经典 | $24.99 | one-time |
| 成语+世说新语 | $29.99 | one-time |
| 围棋系列课 | $29.99 | one-time |
| 围棋+世说新语 | $39.99 | one-time |
| 围棋+成语 | $39.99 | one-time |
| 世说新语+成语 | $39.99 | one-time |
| 围棋+成语+世说新语（补差价） | $49.99 | one-time |
| 围棋+世说新语+成语 | $59.99 | one-time |


### MathStepMath

[App page](https://appshunter.io/ios/app/mathstepmath-k-12-math/id6757116744)

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

**In-app purchases:** none


## Frequently asked questions

### Is 妙音少儿国学 free?

妙音少儿国学 is free to download, with in-app purchases available.

### Is MathStepMath free?

MathStepMath is free to download, with no in-app purchases.

### Do 妙音少儿国学 or MathStepMath have ads?

Neither 妙音少儿国学 nor MathStepMath shows ads.

### Which is updated more often, 妙音少儿国学 or MathStepMath?

妙音少儿国学 ships an update every 5 months, and MathStepMath every 6 months. Most recently, 妙音少儿国学 was updated on September 10, 2026 and MathStepMath on September 13, 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.*