# AnomalyNightMuseum vs 9days

The clearest difference is in-app purchases: AnomalyNightMuseum at none against 9days's 3. AnomalyNightMuseum also leads on ratings volume (3 vs 1). 9days's advantage is rating (5.0 vs 4.7) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 9days sells 3 one-off in-app purchases. AnomalyNightMuseum asks for nothing beyond the download.

9days holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AnomalyNightMuseum | 9days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/anomalynightmuseum/id6743356748/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/9days-find-whats-wrong/id6748372552/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 63.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | **Free** | Ad-supported |
| Size | 453 MB | 97 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [YU HIRATA](https://appshunter.io/developer/1703247347) | [Ryuichi Aida](https://appshunter.io/developer/1553473481) |

## What reviewers say

### AnomalyNightMuseum

[App page](https://appshunter.io/ios/app/anomalynightmuseum/id6743356748)

Become a night security guard and patrol a museum, spotting subtle anomalies. Tap alarms for discrepancies and light up lamps to escape before dawn. Enjoy endless replayability with random events and a variety of spooky, tricky, or funny anomalies.

**Highlights:** Anomaly detection and alarm tapping, Museum patrol gameplay, Randomly appearing anomalies, Offline play, Observation and memory training, Simple smartphone controls

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

**In-app purchases:** none


### 9days

[App page](https://appshunter.io/ios/app/9days-find-whats-wrong/id6748372552)

Explore your device's everyday apps for hidden digital anomalies. This game challenges you to find over 40 glitches within a 9-day investigation period, offering hyper-realistic interfaces and quick, satisfying detection sessions.

**Highlights:** Detect 40+ hidden anomalies, Hyper-realistic iOS interface, 9-day anomaly investigation challenge, Quick 10-minute detection sessions, Anomalies across Calendar, Weather, Messages, Browser

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Juice Tip | $0.99 | one-time |
| Coffee Tip | $2.99 | one-time |
| Sandwich Tip | $5.99 | one-time |


## Frequently asked questions

### Is AnomalyNightMuseum free?

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

### Is 9days free?

9days is free to download, with in-app purchases available.

### Which has better reviews, AnomalyNightMuseum or 9days?

9days is rated higher. AnomalyNightMuseum averages 4.7 out of 5 from 3 ratings, while 9days averages 5.0 from 1 ratings.

### Do AnomalyNightMuseum or 9days have ads?

Both AnomalyNightMuseum and 9days show ads.

### Which is updated more often, AnomalyNightMuseum or 9days?

AnomalyNightMuseum ships an update weekly, and 9days weekly. Most recently, AnomalyNightMuseum was updated on November 4, 2026 and 9days on October 30, 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.*