# 宝宝弹木琴 vs Mental Math Fun

The clearest difference is in-app purchases: 宝宝弹木琴 at none against Mental Math Fun's 2. 宝宝弹木琴 also leads on iOS requirement (10.1 vs 17.0). Mental Math Fun's advantage is update cadence (every 2 days vs every 33 months). On price, ads and device support there is nothing between them.

Both are free to download. Mental Math Fun sells 2 in-app purchases, starting at $2.99 per year. 宝宝弹木琴 asks for nothing beyond the download.

宝宝弹木琴 ships an update every 33 months, Mental Math Fun every 2 days. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 宝宝弹木琴 | Mental Math Fun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 2 days** |
| Size | 27 MB | 5 MB |
| Requires iOS | **10.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [运涛 余](https://appshunter.io/developer/977049266) | [光 韩](https://appshunter.io/developer/6772845629) |

## What reviewers say

### 宝宝弹木琴

[App page](https://appshunter.io/ios/app/id704245910)

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

**In-app purchases:** none


### Mental Math Fun

[App page](https://appshunter.io/ios/app/mental-math-fun/id6772945811)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Zone Subscription | $2.99 | per year |
| Unlock All Features | $4.99 | one-time |


## Frequently asked questions

### Is 宝宝弹木琴 free?

宝宝弹木琴 is free to download, with no in-app purchases.

### Is Mental Math Fun free?

Mental Math Fun is free to download, with in-app purchases available.

### Do 宝宝弹木琴 or Mental Math Fun have ads?

Neither 宝宝弹木琴 nor Mental Math Fun shows ads.

### Which is updated more often, 宝宝弹木琴 or Mental Math Fun?

宝宝弹木琴 ships an update every 33 months, and Mental Math Fun every 2 days. Most recently, 宝宝弹木琴 was updated on October 19, 2026 and Mental Math Fun on October 12, 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.*