# 小胖月 vs 随机数

The clearest difference is in-app purchases: 小胖月 at none against 随机数's 2. 小胖月 also leads on iOS requirement (10.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 随机数 sells 2 in-app purchases, starting at $1.99 per 3 months. 小胖月 asks for nothing beyond the download.

小胖月 ships an update fortnightly, 随机数 every 3 weeks. The most recent releases landed on October 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 小胖月 | 随机数 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 13 MB | 17 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [胜昔 郑](https://appshunter.io/developer/1516137452) | [魁鹏 宋](https://appshunter.io/developer/977980685) |

## What reviewers say

### 小胖月

[App page](https://appshunter.io/ios/app/id1517267028)

**Features:** macOS Compatibility

**In-app purchases:** none


### 随机数

[App page](https://appshunter.io/ios/app/id6581490621)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 季度会员 | $1.99 | per 3 months |
| 永久会员 | $9.99 | one-time |


## Frequently asked questions

### Is 小胖月 free?

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

### Is 随机数 free?

随机数 is free to download, with in-app purchases available.

### Do 小胖月 or 随机数 have ads?

Both 小胖月 and 随机数 show ads.

### Which is updated more often, 小胖月 or 随机数?

小胖月 ships an update fortnightly, and 随机数 every 3 weeks. Most recently, 小胖月 was updated on October 6, 2026 and 随机数 on November 4, 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.*