# Find Differences Big Challenge vs Find Differences AI Challenge

The clearest difference is in-app purchases: Find Differences Big Challenge at none against Find Differences AI Challenge's 2. Find Differences Big Challenge also leads on update cadence (weekly vs every 6 months) and iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Find Differences AI Challenge sells 2 one-off in-app purchases. Find Differences Big Challenge asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Find Differences Big Challenge against 4.7 for Find Differences AI Challenge. Both are backed by a comparable volume of ratings — 12 and 35 respectively.

Find Differences Big Challenge ships an update weekly, Find Differences AI Challenge every 6 months. The most recent releases landed on September 17, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | Find Differences Big Challenge | Find Differences AI Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/find-differences-big-challenge/id6462783980/reviews)** | [4.7 (35 ratings)](https://appshunter.io/ios/app/find-differences-ai-challenge/id6499434659/reviews) |
| Number of ratings | 12 | **35** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 6 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 131 MB | 276 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [秀华 谭](https://appshunter.io/developer/1682161857) | [Alexey Romanov](https://appshunter.io/developer/1596744891) |

## What reviewers say

### Find Differences Big Challenge

[App page](https://appshunter.io/ios/app/find-differences-big-challenge/id6462783980)

Sharpen your observation and concentration skills by spotting five differences between pairs of images. This free puzzle game offers a relaxed experience with no time limits, making it easy to enjoy. It's a fun way to train your brain with engaging visual challenges.

**Highlights:** No time limit gameplay, All features are free, Find 5 differences per level, Improves concentration, Observation skill training

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Find Differences Big Challenge free?

Find Differences Big Challenge is free to download, with no in-app purchases.

### Is Find Differences AI Challenge free?

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

### Which has better reviews, Find Differences Big Challenge or Find Differences AI Challenge?

Find Differences Big Challenge is rated higher. Find Differences Big Challenge averages 4.8 out of 5 from 12 ratings, while Find Differences AI Challenge averages 4.7 from 35 ratings.

### Do Find Differences Big Challenge or Find Differences AI Challenge have ads?

Both Find Differences Big Challenge and Find Differences AI Challenge show ads.

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

Find Differences Big Challenge ships an update weekly, and Find Differences AI Challenge every 6 months. Most recently, Find Differences Big Challenge was updated on September 17, 2026 and Find Differences AI Challenge on August 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*