# X vs FillBlock

The clearest difference is update cadence: X at every 2 weeks against FillBlock's every 10 months. X also leads on iOS requirement (10.0 vs 15.0). 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.

X ships an update every 2 weeks, FillBlock every 10 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | X | FillBlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/x-ray-escape/id1514525180/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 10 months |
| Monetization | Free | — |
| Size | 115 MB | 60 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [庆龙 刘](https://appshunter.io/developer/1462713107) | [kazumasa fujihara](https://appshunter.io/developer/1516573304) |

## What reviewers say

### X

[App page](https://appshunter.io/ios/app/x-ray-escape/id1514525180)

Use an X-ray scanner to see through objects and discover hidden clues. Find the key to unlock the door and help the girl escape the room. A unique puzzle game with a visual twist.

**Highlights:** X-ray scanner ability, See through objects, Find hidden clues, Solve escape room puzzles, Unlock doors

**Features:** Vision Pro support

**In-app purchases:** none


### FillBlock

[App page](https://appshunter.io/ios/app/fillblock/id1533974241)

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

**In-app purchases:** none


## Frequently asked questions

### Is X free?

X is free to download, with no in-app purchases.

### Is FillBlock free?

FillBlock is free to download, with no in-app purchases.

### Do X or FillBlock have ads?

Neither X nor FillBlock shows ads.

### Which is updated more often, X or FillBlock?

X ships an update every 2 weeks, and FillBlock every 10 months. Most recently, X was updated on October 29, 2026 and FillBlock on October 25, 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.*