# 公害防止Pass vs AWS Security Quiz

The clearest difference is in-app purchases: AWS Security Quiz at none against 公害防止Pass's 1. AWS Security Quiz also leads on update cadence (daily vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 公害防止Pass sells 1 one-off in-app purchase. AWS Security Quiz asks for nothing beyond the download.

公害防止Pass ships an update weekly, AWS Security Quiz daily. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 公害防止Pass | AWS Security Quiz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Daily** |
| Size | 43 MB | 38 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KANDK](https://appshunter.io/developer/1867080143) | [Kazuaki Ichino](https://appshunter.io/developer/6778629628) |

## What reviewers say

### 公害防止Pass

[App page](https://appshunter.io/ios/app/pass/id6761719666)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | one-time |


### AWS Security Quiz

[App page](https://appshunter.io/ios/app/aws-security-quiz/id6779230141)

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

**In-app purchases:** none


## Frequently asked questions

### Is 公害防止Pass free?

公害防止Pass is free to download, with in-app purchases available.

### Is AWS Security Quiz free?

AWS Security Quiz is free to download, with no in-app purchases.

### Do 公害防止Pass or AWS Security Quiz have ads?

Both 公害防止Pass and AWS Security Quiz show ads.

### Which is updated more often, 公害防止Pass or AWS Security Quiz?

公害防止Pass ships an update weekly, and AWS Security Quiz daily. Most recently, 公害防止Pass was updated on October 31, 2026 and AWS Security Quiz on November 10, 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.*