# Letter Cubes vs GreyOut

The clearest difference is in-app purchases: Letter Cubes at none against GreyOut's 1. Letter Cubes also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). GreyOut's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. GreyOut sells 1 one-off in-app purchase. Letter Cubes asks for nothing beyond the download.

Letter Cubes ships an update every 4 days, GreyOut every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Letter Cubes | GreyOut |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/letter-cubes/id6760427086/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Ad-supported | — |
| Size | 205 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Fat Cat With a Hat](https://appshunter.io/developer/1847966967) | [Haktan Kocyigit](https://appshunter.io/developer/1896590261) |

## What reviewers say

### Letter Cubes

[App page](https://appshunter.io/ios/app/letter-cubes/id6760427086)

Combine letter blocks to form words in this relaxing puzzle game. Each level offers visual clues to guide you through satisfying challenges. Enjoy a calming experience that balances fun and focus.

**Highlights:** Combine letter blocks, Form correct words, Visual clues per level, Calming gameplay experience, Clear the board, Balance of fun and focus

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

**In-app purchases:** none


### GreyOut

[App page](https://appshunter.io/ios/app/greyout-lights-off/id6768617894)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Expert Levels | $0.99 | one-time |


## Frequently asked questions

### Is Letter Cubes free?

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

### Is GreyOut free?

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

### Do Letter Cubes or GreyOut have ads?

Letter Cubes shows ads; GreyOut does not.

### Which is updated more often, Letter Cubes or GreyOut?

Letter Cubes ships an update every 4 days, and GreyOut every 5 days. Most recently, Letter Cubes was updated on October 24, 2026 and GreyOut 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.*