# Find Difference(World Hardest) vs The Sky Labyrinth

The clearest difference is update cadence: Find Difference(World Hardest) at every 3 months against The Sky Labyrinth's every 14 months. The Sky Labyrinth's advantage is iOS requirement (11.0 vs 13.0). 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, The Sky Labyrinth every 14 months. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Find Difference(World Hardest) | The Sky Labyrinth |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 14 months |
| Size | 100 MB | 38 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [AVECTOR TECH CO., LTD.](https://appshunter.io/developer/585564224) | [Safak Yalcinkaya](https://appshunter.io/developer/1626278233) |

## 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


### The Sky Labyrinth

[App page](https://appshunter.io/ios/app/the-sky-labyrinth/id1626295780)

**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 The Sky Labyrinth free?

The Sky Labyrinth is free to download, with no in-app purchases.

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

Both Find Difference(World Hardest) and The Sky Labyrinth show ads.

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

Find Difference(World Hardest) ships an update every 3 months, and The Sky Labyrinth every 14 months. Most recently, Find Difference(World Hardest) was updated on November 10, 2026 and The Sky Labyrinth on November 7, 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.*