# 纱线圈 vs Lucky Random Numbers

The clearest difference is in-app purchases: 纱线圈 at none against Lucky Random Numbers's 2. 纱线圈 also leads on iOS requirement (11.0 vs 18.0). Lucky Random Numbers's advantage is device support. On price there is nothing between them.

Both are free to download. Lucky Random Numbers sells 2 one-off in-app purchases. 纱线圈 asks for nothing beyond the download.

## The numbers

| Metric | 纱线圈 | Lucky Random Numbers |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 2 months |
| Size | 75 MB | 3 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hebei ZaiXun Network Technology Co., Ltd.](https://appshunter.io/developer/994393282) | [江 郭](https://appshunter.io/developer/878465404) |

## What reviewers say

### 纱线圈

[App page](https://appshunter.io/ios/app/id1270632546)

**In-app purchases:** none


### Lucky Random Numbers

[App page](https://appshunter.io/ios/app/lucky-random-numbers/id6444729544)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate to support | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is 纱线圈 free?

纱线圈 is free to download, with no in-app purchases.

### Is Lucky Random Numbers free?

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

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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.*