# Spot The Hidden Differences vs ArProject

The clearest difference is in-app purchases: ArProject at none against Spot The Hidden Differences's 10. ArProject also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Spot The Hidden Differences sells 10 one-off in-app purchases. ArProject asks for nothing beyond the download.

Spot The Hidden Differences ships an update every 3 weeks, ArProject every 4 days. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Spot The Hidden Differences | ArProject |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (136K ratings)](https://appshunter.io/ios/app/spot-the-hidden-differences/id1618258678/reviews)** | — |
| Number of ratings | **136K** | — |
| Positive reviews | 55.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 197 MB | 95 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [AI Games FZ](https://appshunter.io/developer/1478916023) | [Saksit Piraban](https://appshunter.io/developer/1022385900) |

## What reviewers say

### Spot The Hidden Differences

[App page](https://appshunter.io/ios/app/spot-the-hidden-differences/id1618258678)

This game challenges your observation skills by asking you to find five differences between two pictures. With a variety of colorful images and helpful features like zooming and hints, it's a fun way to train your brain. Suitable for all ages, it offers both easy and hard puzzles to test your concentration.

**Highlights:** Find 5 differences between two pictures, Variety of colorful images, Zooming feature, Helpful hints, Easy and hard puzzles, Brain training

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 600 Coins | $0.99 | one-time |
| Unlock all monthly challenges | $1.99 | one-time |
| 1500 Coins | $1.99 | one-time |
| Collection | $2.99 | one-time |
| 3000 Coins | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| 6000 Coins | $4.99 | one-time |
| 15000 Coins | $9.99 | one-time |
| 24000 Coins | $14.99 | one-time |
| 36000 Coins | $19.99 | one-time |

**What reviewers like**

- ⭐ Enjoyable and relaxing game
- 👍 Simple and easy to understand rules
- 🔍 Challenging to find the hidden differences
- 💡 Helpful hints and markers when differences are found

**What reviewers complain about**

- 🚨 Too many ads, interrupting the gameplay experience
- ⏱️ Timed levels can be frustrating for some users
- 🎨 Repetitive or uninteresting graphics/images in later levels

**Reported bugs**

- Difficulty accurately clicking on differences
- Inconsistent behavior when zooming in/out

**Requested features**

- Option to play without time limits
- Increased difficulty as levels progress
- More varied and interesting image sets


### ArProject

[App page](https://appshunter.io/ios/app/arproject/id6443693555)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spot The Hidden Differences free?

Spot The Hidden Differences is free to download, with in-app purchases available.

### Is ArProject free?

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

### Do Spot The Hidden Differences or ArProject have ads?

Spot The Hidden Differences shows ads; ArProject does not.

### Which is updated more often, Spot The Hidden Differences or ArProject?

Spot The Hidden Differences ships an update every 3 weeks, and ArProject every 4 days. Most recently, Spot The Hidden Differences was updated on October 14, 2026 and ArProject on October 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.*