# Hidden Objects vs Find Differences AI Challenge

The clearest difference is update cadence: Hidden Objects at every 5 weeks against Find Differences AI Challenge's every 6 months. Hidden Objects also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Hidden Objects sells 1 one-off in-app purchase and Find Differences AI Challenge sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Hidden Objects ships an update every 5 weeks, Find Differences AI Challenge every 6 months. The most recent releases landed on August 14, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | Hidden Objects | Find Differences AI Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (35 ratings)](https://appshunter.io/ios/app/find-differences-ai-challenge/id6499434659/reviews)** |
| Number of ratings | — | **35** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | — | Ad-supported |
| Size | 228 MB | 276 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Hazel Mobile](https://appshunter.io/developer/1555634974) | [Alexey Romanov](https://appshunter.io/developer/1596744891) |

## What reviewers say

### Hidden Objects

[App page](https://appshunter.io/ios/app/hidden-objects-found-it/id6468026074)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $7.99 | one-time |


### Find Differences AI Challenge

[App page](https://appshunter.io/ios/app/find-differences-ai-challenge/id6499434659)

Engage your visual perception with AI-generated images in this relaxing spot-the-difference game. Sharpen your cognitive skills with no timers, perfect for all ages seeking mental stimulation and a tranquil pastime.

**Highlights:** AI-generated photorealistic images, Relaxing gameplay without timers, Brain training for cognitive skills, Intuitive and easy-to-learn gameplay, Offline play capability, Vast array of challenging levels

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 30 Hints | $0.99 | one-time |
| Add 300 Hints | $7.99 | one-time |


## Frequently asked questions

### Is Hidden Objects free?

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

### Is Find Differences AI Challenge free?

Find Differences AI Challenge is free to download, with in-app purchases available.

### Do Hidden Objects or Find Differences AI Challenge have ads?

Both Hidden Objects and Find Differences AI Challenge show ads.

### Which is updated more often, Hidden Objects or Find Differences AI Challenge?

Hidden Objects ships an update every 5 weeks, and Find Differences AI Challenge every 6 months. Most recently, Hidden Objects was updated on August 14, 2026 and Find Differences AI Challenge on August 21, 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.*