# Spot The Difference vs Mermaid Hidden Objects

The clearest difference is rating: Mermaid Hidden Objects at 2.0 against Spot The Difference's 1.0. Mermaid Hidden Objects also leads on ratings volume (3 vs 1). Spot The Difference's advantage is in-app purchases (none vs 4) and update cadence (every 2 days vs every 52 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Mermaid Hidden Objects sells 4 one-off in-app purchases. Spot The Difference asks for nothing beyond the download.

Mermaid Hidden Objects holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Spot The Difference ships an update every 2 days, Mermaid Hidden Objects every 52 months. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Spot The Difference | Mermaid Hidden Objects |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/spot-the-difference-whats-the-difference/id1222835542/reviews) | **[2.0 (3 ratings)](https://appshunter.io/ios/app/mermaid-hidden-objects/id1225357568/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 52 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 192 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ajay Pandya](https://appshunter.io/developer/1105886460) | [John Smith](https://appshunter.io/developer/483881207) |

## What reviewers say

### Spot The Difference

[App page](https://appshunter.io/ios/app/spot-the-difference-whats-the-difference/id1222835542)

Sharpen your observation skills with this classic puzzle game. Find five differences between two similar images, with fun characters and power-ups across many levels. It's a great brain-training tool for all ages.

**Highlights:** Find five differences, Fun animated characters, Power-ups available, Dozens of levels, Timed challenges, Brain training

**Features:** macOS Compatibility

**In-app purchases:** none


### Mermaid Hidden Objects

[App page](https://appshunter.io/ios/app/mermaid-hidden-objects/id1225357568)

Explore enchanting underwater scenes filled with mermaids and ocean life. Search for hidden treasures, jewels, and seashells across various levels. Utilize hints and zoom features to aid your search, with the option to skip challenging levels and replay them later with new object arrangements.

**Highlights:** Underwater mermaid and ocean scenes, Find hidden treasures and jewels, Hint and zoom functionality, Skip levels and replay, Unlockable levels with new objects

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hint object | $0.99 | one-time |
| Skip level | $0.99 | one-time |
| Unlock all levels | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Spot The Difference free?

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

### Is Mermaid Hidden Objects free?

Mermaid Hidden Objects is free to download, with in-app purchases available.

### Which has better reviews, Spot The Difference or Mermaid Hidden Objects?

Mermaid Hidden Objects is rated higher. Spot The Difference averages 1.0 out of 5 from 1 ratings, while Mermaid Hidden Objects averages 2.0 from 3 ratings.

### Do Spot The Difference or Mermaid Hidden Objects have ads?

Neither Spot The Difference nor Mermaid Hidden Objects shows ads.

### Which is updated more often, Spot The Difference or Mermaid Hidden Objects?

Spot The Difference ships an update every 2 days, and Mermaid Hidden Objects every 52 months. Most recently, Spot The Difference was updated on September 10, 2026 and Mermaid Hidden Objects on June 1, 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.*