# The Impossible Letter Game vs PolyBlocks Vision VR

The clearest difference is in-app purchases: PolyBlocks Vision VR at none against The Impossible Letter Game's 4. PolyBlocks Vision VR also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.1). On price and device support there is nothing between them.

Both are free to download. The Impossible Letter Game sells 4 one-off in-app purchases. PolyBlocks Vision VR asks for nothing beyond the download.

## The numbers

| Metric | The Impossible Letter Game | PolyBlocks Vision VR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (17K ratings)](https://appshunter.io/ios/app/the-impossible-letter-game/id852152318/reviews)** | — |
| Number of ratings | **17K** | — |
| Positive reviews | 81.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 189 MB |
| Requires iOS | 17.1 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GammaLateral LLC](https://appshunter.io/developer/685178329) | [Health Drop Games LLC](https://appshunter.io/developer/1849042665) |

## What reviewers say

### The Impossible Letter Game

[App page](https://appshunter.io/ios/app/the-impossible-letter-game/id852152318)

Test your visual acuity and focus with this challenging puzzle game. It presents simple yet incredibly difficult levels designed to push your observational skills to the limit. Prepare for an extreme eye exercise.

**Highlights:** Extreme eye exercise, Challenging puzzles, Skill testing, Simple gameplay, Impossible levels

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 30 Hints | $0.99 | one-time |
| Get 70 Hints | $1.99 | one-time |
| Get 120 Hints | $2.99 | one-time |
| Remove Ads | $9.99 | one-time |

**What reviewers like**

- 👍 Fun and challenging game
- 🧠 Helps improve focus and attention to detail
- 🎨 Visually appealing design
- 🕹️ Addictive gameplay

**What reviewers complain about**

- 🔍 Some levels are too difficult
- 🕰️ Timer continues running during ads
- 💰 Too many ads
- 🤕 Can strain the eyes

**Reported bugs**

- Inconsistent level difficulty
- Crashing and freezing issues

**Requested features**

- Option to skip difficult levels
- Pause timer during level transitions
- More game modes and level variety


### PolyBlocks Vision VR

[App page](https://appshunter.io/ios/app/polyblocks-vision-vr/id6757690122)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Impossible Letter Game free?

The Impossible Letter Game is free to download, with in-app purchases available.

### Is PolyBlocks Vision VR free?

PolyBlocks Vision VR is free to download, with no in-app purchases.

### Do The Impossible Letter Game or PolyBlocks Vision VR have ads?

The Impossible Letter Game shows ads; PolyBlocks Vision VR does not.

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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.*