# lucky dragon defense vs SpoolThreStu

The clearest difference is ads: lucky dragon defense at none against SpoolThreStu's shown. lucky dragon defense also leads on update cadence (every 4 days vs every 9 days) and iOS requirement (12.0 vs 14). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

lucky dragon defense ships an update every 4 days, SpoolThreStu every 9 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | lucky dragon defense | SpoolThreStu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 9 days |
| Size | 97 MB | 40 MB |
| Requires iOS | **12.0** | 14 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [文惠 周](https://appshunter.io/developer/1801975703) | [Kamini Triparthy](https://appshunter.io/developer/1872562141) |

## What reviewers say

### lucky dragon defense

[App page](https://appshunter.io/ios/app/lucky-dragon-defense/id6748677355)

**Features:** macOS Compatibility

**In-app purchases:** none


### SpoolThreStu

[App page](https://appshunter.io/ios/app/spoolthrestu/id6758364404)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is lucky dragon defense free?

lucky dragon defense is free to download, with no in-app purchases.

### Is SpoolThreStu free?

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

### Do lucky dragon defense or SpoolThreStu have ads?

SpoolThreStu shows ads; lucky dragon defense does not.

### Which is updated more often, lucky dragon defense or SpoolThreStu?

lucky dragon defense ships an update every 4 days, and SpoolThreStu every 9 days. Most recently, lucky dragon defense was updated on October 30, 2026 and SpoolThreStu on October 31, 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.*