# Find Difference(World Hardest) vs 找了个茬

The clearest difference is update cadence: 找了个茬 at every 9 days 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, 找了个茬 every 9 days. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Find Difference(World Hardest) | 找了个茬 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 100 MB | 74 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AVECTOR TECH CO., LTD.](https://appshunter.io/developer/585564224) | [跃峰 杨](https://appshunter.io/developer/1687429670) |

## 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


### 找了个茬

[App page](https://appshunter.io/ios/app/id6800642385)

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

**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 找了个茬 free?

找了个茬 is free to download, with no in-app purchases.

### Do Find Difference(World Hardest) or 找了个茬 have ads?

Both Find Difference(World Hardest) and 找了个茬 show ads.

### Which is updated more often, Find Difference(World Hardest) or 找了个茬?

Find Difference(World Hardest) ships an update every 3 months, and 找了个茬 every 9 days. Most recently, Find Difference(World Hardest) was updated on October 17, 2026 and 找了个茬 on October 20, 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.*