# 测音高 vs Algorithm Heroes

The clearest difference is update cadence: Algorithm Heroes at every 4 days against 测音高's every 9 days. 测音高's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 测音高 sells 1 in-app purchase, starting at $1.99 per 7 days and Algorithm Heroes sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

测音高 ships an update every 9 days, Algorithm Heroes every 4 days. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 测音高 | Algorithm Heroes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 24 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [秋平 李](https://appshunter.io/developer/1636667539) | [Jiang Yu](https://appshunter.io/developer/1064347816) |

## What reviewers say

### 测音高

[App page](https://appshunter.io/ios/app/id6755591010)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 测音高尊贵会员 | $1.99 | per 7 days |


### Algorithm Heroes

[App page](https://appshunter.io/ios/app/algorithm-heroes-battle/id6784192453)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Insertion Sort Chapter | $1.99 | one-time |
| Algorithm Pet Pack | $1.99 | one-time |
| Quick Sort Chapter | $1.99 | one-time |
| Selection Sort Chapter | $1.99 | one-time |
| Merge Sort Chapter | $1.99 | one-time |
| Code Theme Pack | $2.99 | one-time |
| Algorithm Heroes Pro | $7.99 | one-time |


## Frequently asked questions

### Is 测音高 free?

测音高 is free to download, with in-app purchases available.

### Is Algorithm Heroes free?

Algorithm Heroes is free to download, with in-app purchases available.

### Do 测音高 or Algorithm Heroes have ads?

Neither 测音高 nor Algorithm Heroes shows ads.

### Which is updated more often, 测音高 or Algorithm Heroes?

测音高 ships an update every 9 days, and Algorithm Heroes every 4 days. Most recently, 测音高 was updated on September 23, 2026 and Algorithm Heroes on September 17, 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.*