# Find Difference(World Hardest) vs Find Differences Big Challenge

The clearest difference is update cadence: Find Differences Big Challenge at weekly against Find Difference(World Hardest)'s every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Find Difference(World Hardest) ships an update every 3 months, Find Differences Big Challenge weekly. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Find Difference(World Hardest) | Find Differences Big Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (12 ratings)](https://appshunter.io/ios/app/find-differences-big-challenge/id6462783980/reviews)** |
| Number of ratings | — | **12** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 100 MB | 131 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [AVECTOR TECH CO., LTD.](https://appshunter.io/developer/585564224) | [秀华 谭](https://appshunter.io/developer/1682161857) |

## What reviewers say

### Find Difference(World Hardest)

[App page](https://appshunter.io/ios/app/find-differenceworld-hardest/id1516953106)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Find Difference(World Hardest) free?

Find Difference(World Hardest) is free to download, with no in-app purchases.

### Is Find Differences Big Challenge free?

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

### Do Find Difference(World Hardest) or Find Differences Big Challenge have ads?

Both Find Difference(World Hardest) and Find Differences Big Challenge show ads.

### Which is updated more often, Find Difference(World Hardest) or Find Differences Big Challenge?

Find Difference(World Hardest) ships an update every 3 months, and Find Differences Big Challenge weekly. Most recently, Find Difference(World Hardest) was updated on September 24, 2026 and Find Differences Big Challenge on September 17, 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.*