# 警備員を配置するパズル vs NUMBER TRAILS

The clearest difference is update cadence: NUMBER TRAILS at every 3 weeks against 警備員を配置するパズル's every 2 months. 警備員を配置するパズル's advantage is iOS requirement (13.0 vs 18.0). On price, ads, 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.

警備員を配置するパズル ships an update every 2 months, NUMBER TRAILS every 3 weeks. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 警備員を配置するパズル | NUMBER TRAILS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 16 MB | 9 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kumagai Tomoki](https://appshunter.io/developer/1554992122) | [SHOGO TAKAHASHI](https://appshunter.io/developer/1862331537) |

## What reviewers say

### 警備員を配置するパズル

[App page](https://appshunter.io/ios/app/id6444815335)

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

**In-app purchases:** none


### NUMBER TRAILS

[App page](https://appshunter.io/ios/app/number-trails/id6756686892)

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

**In-app purchases:** none


## Frequently asked questions

### Is 警備員を配置するパズル free?

警備員を配置するパズル is free to download, with no in-app purchases.

### Is NUMBER TRAILS free?

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

### Do 警備員を配置するパズル or NUMBER TRAILS have ads?

Both 警備員を配置するパズル and NUMBER TRAILS show ads.

### Which is updated more often, 警備員を配置するパズル or NUMBER TRAILS?

警備員を配置するパズル ships an update every 2 months, and NUMBER TRAILS every 3 weeks. Most recently, 警備員を配置するパズル was updated on October 15, 2026 and NUMBER TRAILS on October 6, 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.*