# よく見るとおかしい画像 9時限目！ vs Japan Spot the Difference

The clearest difference is ads: よく見るとおかしい画像 9時限目！ at none against Japan Spot the Difference's shown. よく見るとおかしい画像 9時限目！ also leads on iOS requirement (9.0 vs 15.0). Japan Spot the Difference's advantage is update cadence (every 2 days vs every 13 months). 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.

よく見るとおかしい画像 9時限目！ ships an update every 13 months, Japan Spot the Difference every 2 days. Both last shipped on October 13, 2026.

## The numbers

| Metric | よく見るとおかしい画像 9時限目！ | Japan Spot the Difference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/9/id1332983446/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 76.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 168 MB | 78 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [MASK APP LLC](https://appshunter.io/developer/1145303731) | [BEAK,K.K.](https://appshunter.io/developer/1808079760) |

## What reviewers say

### よく見るとおかしい画像 9時限目！

[App page](https://appshunter.io/ios/app/9/id1332983446)

This puzzle game challenges players to find subtle differences in images. By carefully examining pictures and tapping on the unusual elements, players can test their observation skills. It's a fun way to engage your brain with visually intriguing challenges.

**Highlights:** Find subtle image differences, Tap on strange parts, Visually engaging puzzles, Observation skill test, Simple tap controls

**Features:** macOS Compatibility

**In-app purchases:** none


### Japan Spot the Difference

[App page](https://appshunter.io/ios/app/japan-spot-the-difference/id6751223880)

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

**In-app purchases:** none


## Frequently asked questions

### Is よく見るとおかしい画像 9時限目！ free?

よく見るとおかしい画像 9時限目！ is free to download, with no in-app purchases.

### Is Japan Spot the Difference free?

Japan Spot the Difference is free to download, with no in-app purchases.

### Do よく見るとおかしい画像 9時限目！ or Japan Spot the Difference have ads?

Japan Spot the Difference shows ads; よく見るとおかしい画像 9時限目！ does not.

### Which is updated more often, よく見るとおかしい画像 9時限目！ or Japan Spot the Difference?

よく見るとおかしい画像 9時限目！ ships an update every 13 months, and Japan Spot the Difference every 2 days. Most recently, よく見るとおかしい画像 9時限目！ was updated on October 13, 2026 and Japan Spot the Difference on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*