# Find Differences Big Challenge vs 井字棋pro

Find Differences Big Challenge and 井字棋pro are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Find Differences Big Challenge | 井字棋pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14 ratings)](https://appshunter.io/ios/app/find-differences-big-challenge/id6462783980/reviews)** | — |
| Number of ratings | **14** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Weekly | — |
| Monetization | Ad-supported | — |
| Size | 131 MB | 25 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [秀华 谭](https://appshunter.io/developer/1682161857) | [开封 桑](https://appshunter.io/developer/1872634156) |

## 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


### 井字棋pro

[App page](https://appshunter.io/ios/app/pro/id6759907199)

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

**In-app purchases:** none


## Frequently asked questions

### Is Find Differences Big Challenge free?

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

### Is 井字棋pro free?

井字棋pro is free to download, with no in-app purchases.

### Do Find Differences Big Challenge or 井字棋pro have ads?

Both Find Differences Big Challenge and 井字棋pro show ads.

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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.*