# 6 Differences vs Spot the Difference

The clearest difference is ads: 6 Differences at none against Spot the Difference's shown. 6 Differences also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). Spot the Difference's advantage is update cadence (every 3 days vs every 43 months). 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.

6 Differences ships an update every 43 months, Spot the Difference every 3 days. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 6 Differences | Spot the Difference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spot-the-difference-cat-game/id6782497247/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 43 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 131 MB | 60 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Hieu Hoang](https://appshunter.io/developer/1108291419) | [Ikue Konno](https://appshunter.io/developer/971968281) |

## What reviewers say

### 6 Differences

[App page](https://appshunter.io/ios/app/6-differences-spot-them/id1628381817)

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

**In-app purchases:** none


### Spot the Difference

[App page](https://appshunter.io/ios/app/spot-the-difference-cat-game/id6782497247)

Discover subtle variations between two charming watercolor cat illustrations. This relaxing puzzle game offers a peaceful way to sharpen observation skills with daily challenges and gentle gameplay.

**Highlights:** Watercolor cat illustrations, Daily new puzzles, One-tap controls, 3-star rating system, Hint system with video ads, Regular new stage additions

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

**In-app purchases:** none


## Frequently asked questions

### Is 6 Differences free?

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

### Is Spot the Difference free?

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

### Do 6 Differences or Spot the Difference have ads?

Spot the Difference shows ads; 6 Differences does not.

### Which is updated more often, 6 Differences or Spot the Difference?

6 Differences ships an update every 43 months, and Spot the Difference every 3 days. Most recently, 6 Differences was updated on October 7, 2026 and Spot the Difference on October 16, 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.*