# Find Difference(World Hardest) vs Find Difference

The clearest difference is in-app purchases: Find Difference(World Hardest) at none against Find Difference's 10. Find Difference(World Hardest) also leads on iOS requirement (13.0 vs 15.0). Find Difference's advantage is update cadence (every 6 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Find Difference sells 10 one-off in-app purchases. Find Difference(World Hardest) asks for nothing beyond the download.

Find Difference(World Hardest) ships an update every 3 months, Find Difference every 6 weeks. The most recent releases landed on August 26, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Find Difference(World Hardest) | Find Difference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/find-difference-calm-finding/id6452880456/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 100 MB | 164 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AVECTOR TECH CO., LTD.](https://appshunter.io/developer/585564224) | [Chengdu Shuimo Danqing Technology Co., Ltd.](https://appshunter.io/developer/1650561947) |

## 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 Difference

[App page](https://appshunter.io/ios/app/find-difference-calm-finding/id6452880456)

Engage in a relaxing difference-finding puzzle game with over 99,999 levels. Enjoy a simple UI, helpful boosters, and a vast array of categories. It's designed for everyone to play anywhere, offering a calm and brain-training experience.

**Highlights:** No timer, Over 99,999 levels, Hints and skip boosters, Flat and simple UI/UX, 100+ concept art categories, Suitable for all ages and locations

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coins 150 | $1.99 | one-time |
| Find Master Offer | $2.99 | one-time |
| Coins 500 | $4.99 | one-time |
| Remove Ads | $5.99 | one-time |
| Best Offer | $9.99 | one-time |
| Coins 1300 | $12.99 | one-time |
| Coins 2000 | $19.99 | one-time |
| Coins 4000 | $39.99 | one-time |
| Coins 8000 | $79.99 | one-time |
| Mega Bundle | $99.99 | one-time |


## Frequently asked questions

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

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

### Is Find Difference free?

Find Difference is free to download, with in-app purchases available.

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

Both Find Difference(World Hardest) and Find Difference show ads.

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

Find Difference(World Hardest) ships an update every 3 months, and Find Difference every 6 weeks. Most recently, Find Difference(World Hardest) was updated on August 26, 2026 and Find Difference 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.*