# よく見るとおかしい画像 9時限目！ vs おかずかん間違い探し

The clearest difference is update cadence: よく見るとおかしい画像 9時限目！ at every 13 months against おかずかん間違い探し's every 28 months. よく見るとおかしい画像 9時限目！ also leads on device support and iOS requirement (9.0 vs 12.0). On price and in-app purchases 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, おかずかん間違い探し every 28 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | よく見るとおかしい画像 9時限目！ | おかずかん間違い探し |
| --- | --- | --- |
| 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 | — |
| Update frequency | **Every 13 months** | Every 28 months |
| Monetization | Free | — |
| Size | 168 MB | 76 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 12+ | 12+ |
| Developer | [MASK APP LLC](https://appshunter.io/developer/1145303731) | [Cosmo Japan Co., Ltd.](https://appshunter.io/developer/1524941029) |

## 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


### おかずかん間違い探し

[App page](https://appshunter.io/ios/app/id6462363569)

**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 おかずかん間違い探し free?

おかずかん間違い探し is free to download, with no in-app purchases.

### Which is updated more often, よく見るとおかしい画像 9時限目！ or おかずかん間違い探し?

よく見るとおかしい画像 9時限目！ ships an update every 13 months, and おかずかん間違い探し every 28 months. Most recently, よく見るとおかしい画像 9時限目！ was updated on October 13, 2026 and おかずかん間違い探し on October 8, 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.*