# KHM App vs AWS Security Quiz

The clearest difference is in-app purchases: AWS Security Quiz at none against KHM App's 3. AWS Security Quiz also leads on update cadence (daily vs every 3 weeks). KHM App's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. KHM App sells 3 one-off in-app purchases. AWS Security Quiz asks for nothing beyond the download.

KHM App ships an update every 3 weeks, AWS Security Quiz daily. The most recent releases landed on August 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | KHM App | AWS Security Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (31 ratings)](https://appshunter.io/ios/app/khm-app/id1079305093/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free | — |
| Size | 43 MB | 38 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [KHM-Museumsverband](https://appshunter.io/developer/1079305092) | [Kazuaki Ichino](https://appshunter.io/developer/6778629628) |

## What reviewers say

### KHM App

[App page](https://appshunter.io/ios/app/khm-app/id1079305093)

Explore famous and hidden artworks with interactive guidance. Discover hidden details and perspectives, like x-ray views or the back of paintings. Engage with art through interactive elements that connect the past to the present.

**Highlights:** Guided art tours, Interactive elements, Hidden artwork perspectives, Museum navigation, Multi-language support, Children's tours

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Magie Tour | $0.99 | one-time |
| Superpower! | $0.99 | one-time |
| Building Bodies | $0.99 | 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 KHM App free?

KHM App 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 KHM App or AWS Security Quiz have ads?

AWS Security Quiz shows ads; KHM App does not.

### Which is updated more often, KHM App or AWS Security Quiz?

KHM App ships an update every 3 weeks, and AWS Security Quiz daily. Most recently, KHM App was updated on August 8, 2026 and AWS Security Quiz on September 24, 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.*