# Spot Difference vs Triple Kingdom

The clearest difference is in-app purchases: Spot Difference at none against Triple Kingdom's 3. Spot Difference also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Triple Kingdom sells 3 one-off in-app purchases. Spot Difference asks for nothing beyond the download.

Spot Difference ships an update every 3 days, Triple Kingdom every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Spot Difference | Triple Kingdom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 301 MB | 104 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [科明 谢](https://appshunter.io/developer/880092328) | [ODD DUCK Corp.](https://appshunter.io/developer/6790459332) |

## What reviewers say

### Spot Difference

[App page](https://appshunter.io/ios/app/spot-difference-stamp/id6805383060)

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

**In-app purchases:** none


### Triple Kingdom

[App page](https://appshunter.io/ios/app/triple-kingdom-brain-puzzle/id6812445006)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000 Coins | $1.99 | one-time |
| 3,000 Coins | $4.99 | one-time |
| 10,000 Coins | $13.99 | one-time |


## Frequently asked questions

### Is Spot Difference free?

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

### Is Triple Kingdom free?

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

### Do Spot Difference or Triple Kingdom have ads?

Triple Kingdom shows ads; Spot Difference does not.

### Which is updated more often, Spot Difference or Triple Kingdom?

Spot Difference ships an update every 3 days, and Triple Kingdom every 2 days. Most recently, Spot Difference was updated on October 31, 2026 and Triple Kingdom on October 31, 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.*