# Photograph Inspector vs Difference

The clearest difference is in-app purchases: Photograph Inspector at none against Difference's 2. Photograph Inspector also leads on iOS requirement (12.0 vs 15.0). Difference's advantage is update cadence (every 9 days vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Difference sells 2 one-off in-app purchases. Photograph Inspector asks for nothing beyond the download.

Photograph Inspector ships an update every 8 months, Difference every 9 days. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Photograph Inspector | Difference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/photograph-inspector/id647182441/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 45 MB | 363 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jean Lionel Darie](https://appshunter.io/developer/580459828) | [Teuk-geon Kwon](https://appshunter.io/developer/613898794) |

## What reviewers say

### Photograph Inspector

[App page](https://appshunter.io/ios/app/photograph-inspector/id647182441)

Engage in a relaxing visual challenge by spotting subtle differences between two similar images. This game offers a progressive difficulty curve, perfect for improving focus and observation skills at your own pace. It's designed for all ages and provides an enjoyable way to pass time.

**Highlights:** Observe and find hidden differences, Progressive difficulty levels, Simple and comfortable interface, Suitable for kids and adults, Ideal for short or long play sessions, Trains observation skills

**Features:** macOS Compatibility

**In-app purchases:** none


### Difference

[App page](https://appshunter.io/ios/app/difference-no-mercy/id1451387871)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 5 Hints | $2.99 | one-time |
| Get 10,000 Coins | $5.99 | one-time |


## Frequently asked questions

### Is Photograph Inspector free?

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

### Is Difference free?

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

### Do Photograph Inspector or Difference have ads?

Both Photograph Inspector and Difference show ads.

### Which is updated more often, Photograph Inspector or Difference?

Photograph Inspector ships an update every 8 months, and Difference every 9 days. Most recently, Photograph Inspector was updated on October 21, 2026 and Difference on October 18, 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.*