# Permutation Combination vs 音乐猴节拍器

The clearest difference is in-app purchases: Permutation Combination at none against 音乐猴节拍器's 3. Permutation Combination also leads on update cadence (every 2 days vs every 5 days). 音乐猴节拍器's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 音乐猴节拍器 sells 3 one-off in-app purchases. Permutation Combination asks for nothing beyond the download.

Permutation Combination ships an update every 2 days, 音乐猴节拍器 every 5 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Permutation Combination | 音乐猴节拍器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/permutation-combination/id6448662601/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Ad-supported | — |
| Size | 31 MB | 33 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HIWAZERO](https://appshunter.io/developer/1621048794) | [海口星引之光科技有限公司](https://appshunter.io/developer/1874832824) |

## What reviewers say

### Permutation Combination

[App page](https://appshunter.io/ios/app/permutation-combination/id6448662601)

Easily calculate permutations and combinations for mathematics and statistics. This tool simplifies complex calculations, helping users save time and improve accuracy in exams and studies.

**Highlights:** Permutation calculations, Combination calculations, Time-saving for exams, Mathematical and statistical use, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### 音乐猴节拍器

[App page](https://appshunter.io/ios/app/id6758756667)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 半年 | $2.99 | one-time |
| 一年 | $3.99 | one-time |
| 长期 | $12.99 | one-time |


## Frequently asked questions

### Is Permutation Combination free?

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

### Is 音乐猴节拍器 free?

音乐猴节拍器 is free to download, with in-app purchases available.

### Do Permutation Combination or 音乐猴节拍器 have ads?

Permutation Combination shows ads; 音乐猴节拍器 does not.

### Which is updated more often, Permutation Combination or 音乐猴节拍器?

Permutation Combination ships an update every 2 days, and 音乐猴节拍器 every 5 days. Most recently, Permutation Combination was updated on November 3, 2026 and 音乐猴节拍器 on October 28, 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.*