# Suffield Self Service vs Spot the Difference

The clearest difference is in-app purchases: Suffield Self Service at none against Spot the Difference's 1. Suffield Self Service also leads on ads (none vs shown). Spot the Difference's advantage is iOS requirement (15.0 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Spot the Difference sells 1 one-off in-app purchase. Suffield Self Service asks for nothing beyond the download.

Suffield Self Service ships an update every 3 weeks, Spot the Difference monthly. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Suffield Self Service | Spot the Difference |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 23 MB | 138 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Suffield Academy](https://appshunter.io/developer/1055354256) | [Yusuke Okada](https://appshunter.io/developer/1793725878) |

## What reviewers say

### Suffield Self Service

[App page](https://appshunter.io/ios/app/suffield-self-service/id6608981597)

**In-app purchases:** none


### Spot the Difference

[App page](https://appshunter.io/ios/app/spot-the-difference-cats/id6756172944)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.49 | one-time |


## Frequently asked questions

### Is Suffield Self Service free?

Suffield Self Service is free to download, with no in-app purchases.

### Is Spot the Difference free?

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

### Do Suffield Self Service or Spot the Difference have ads?

Spot the Difference shows ads; Suffield Self Service does not.

### Which is updated more often, Suffield Self Service or Spot the Difference?

Suffield Self Service ships an update every 3 weeks, and Spot the Difference monthly. Most recently, Suffield Self Service was updated on November 8, 2026 and Spot the Difference on October 30, 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.*