# Random Gua vs 暗礁计算器

The clearest difference is in-app purchases: 暗礁计算器 at none against Random Gua's 1. 暗礁计算器 also leads on iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Random Gua sells 1 one-off in-app purchase. 暗礁计算器 asks for nothing beyond the download.

## The numbers

| Metric | Random Gua | 暗礁计算器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 19 MB | 1 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [程辉 赖](https://appshunter.io/developer/1746728150) | [浩源 陈](https://appshunter.io/developer/1665506236) |

## What reviewers say

### Random Gua

[App page](https://appshunter.io/ios/app/random-gua/id6743144852)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Pack | $3.99 | one-time |


### 暗礁计算器

[App page](https://appshunter.io/ios/app/id6748670022)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Random Gua free?

Random Gua is free to download, with in-app purchases available.

### Is 暗礁计算器 free?

暗礁计算器 is free to download, with no in-app purchases.

### Do Random Gua or 暗礁计算器 have ads?

Neither Random Gua nor 暗礁计算器 shows ads.

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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.*