# よく見るとおかしい画像 9時限目！ vs Find Differences

The clearest difference is rating: Find Differences at 4.6 against よく見るとおかしい画像 9時限目！'s 3.0. Find Differences also leads on ratings volume (60 vs 1). よく見るとおかしい画像 9時限目！'s advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

Find Differences holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Find Differences has 60 ratings behind it against 1, so its average is the more settled of the two.

よく見るとおかしい画像 9時限目！ ships an update every 13 months, Find Differences every 7 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | よく見るとおかしい画像 9時限目！ | Find Differences |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/9/id1332983446/reviews) | **[4.6 (60 ratings)](https://appshunter.io/ios/app/find-differences-happy-people/id6450050667/reviews)** |
| Number of ratings | 1 | **60** |
| Positive reviews | 76.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 7 months** |
| Monetization | **Free** | Ad-supported |
| Size | 168 MB | 132 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) | [Alexey Romanov](https://appshunter.io/developer/1596744891) |

## 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


### Find Differences

[App page](https://appshunter.io/ios/app/find-differences-happy-people/id6450050667)

This game challenges your observation skills with cheerful photos of happy people. Enjoy a relaxing experience with no timers, allowing you to play at your own pace while sharpening your focus and cognitive abilities.

**Highlights:** Relaxing gameplay with no timers, Challenging observation skills, Positive and uplifting atmosphere, Real photographs of happy people, Brain stimulation and cognitive enhancement, Accessible for all ages

**Features:** macOS Compatibility

**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 Find Differences free?

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

### Which has better reviews, よく見るとおかしい画像 9時限目！ or Find Differences?

Find Differences is rated higher. よく見るとおかしい画像 9時限目！ averages 3.0 out of 5 from 1 ratings, while Find Differences averages 4.6 from 60 ratings.

### Do よく見るとおかしい画像 9時限目！ or Find Differences have ads?

Find Differences 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 Find Differences?

よく見るとおかしい画像 9時限目！ ships an update every 13 months, and Find Differences every 7 months. Most recently, よく見るとおかしい画像 9時限目！ was updated on October 22, 2026 and Find Differences on October 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.*