# The Impossible Letter Game vs Brain It On!

The clearest difference is update cadence: Brain It On! at every 3 weeks against The Impossible Letter Game's every 4 months. Brain It On! also leads on iOS requirement (15.0 vs 17.1). The Impossible Letter Game's advantage is ratings volume (17K vs 5.2K). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. The Impossible Letter Game sells 4 one-off in-app purchases and Brain It On! sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for The Impossible Letter Game against 4.5 for Brain It On!. Both are backed by a comparable volume of ratings — 17K and 5.2K respectively. Written reviews split almost evenly too, at 81% and 81% positive.

The Impossible Letter Game ships an update every 4 months, Brain It On! every 3 weeks. The most recent releases landed on October 28, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | The Impossible Letter Game | Brain It On! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (17K ratings)](https://appshunter.io/ios/app/the-impossible-letter-game/id852152318/reviews)** | [4.5 (5.2K ratings)](https://appshunter.io/ios/app/brain-it-on/id985367692/reviews) |
| Number of ratings | **17K** | 5.2K |
| Positive reviews | **81.4% of reviews** | 80.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 75 MB | 191 MB |
| Requires iOS | 17.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GammaLateral LLC](https://appshunter.io/developer/685178329) | [Orbital Nine Games Inc](https://appshunter.io/developer/887216732) |

## 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


### Brain It On!

[App page](https://appshunter.io/ios/app/brain-it-on/id985367692)

Engage your mind with tricky physics puzzles. Draw shapes to find creative solutions to increasingly difficult challenges. Compete with friends and discover multiple ways to solve each puzzle.

**Highlights:** Dozens of brain-busting puzzles, Puzzles added regularly, Compete with friends, Multiple solutions per puzzle, Share unique solutions

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Popup Ads | $0.99 | one-time |
| The Full Game (75% off) | $0.99 | one-time |
| Coin Pack | $0.99 | one-time |
| The Full Game (50% off) | $1.99 | one-time |
| Coin Pack | $1.99 | one-time |
| The Full Game (25% off) | $2.99 | one-time |
| Coin Pack | $2.99 | one-time |
| The Full Game | $3.99 | one-time |
| Coin Pack | $3.99 | one-time |

**What reviewers like**

- 🚀 Challenging and fun
- 🔒 No ads
- 👍 Engaging physics-based puzzles
- 👍 Encourages creative thinking
- 👍 Good for brain exercise

**What reviewers complain about**

- 🐛 Drawing accuracy issues
- 🐛 Glitches and crashes
- 🐛 Difficulty spikes too quickly
- 🔋 Overheating on some devices
- 👎 Too many ads for hints

**Reported bugs**

- Level selector not working past level 220
- Inability to draw near screen edges due to OS gestures
- Hint videos not always helpful
- In-app purchases not working as expected

**Requested features**

- More levels
- Level editor to create custom puzzles
- Ability to save progress
- Improved drawing controls
- Better hints and guidance


## Frequently asked questions

### Is The Impossible Letter Game free?

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

### Is Brain It On! free?

Brain It On! is free to download, with in-app purchases available.

### Which has better reviews, The Impossible Letter Game or Brain It On!?

The Impossible Letter Game is rated higher. The Impossible Letter Game averages 4.6 out of 5 from 17K ratings, while Brain It On! averages 4.5 from 5.2K ratings.

### Do The Impossible Letter Game or Brain It On! have ads?

Both The Impossible Letter Game and Brain It On! show ads.

### Which is updated more often, The Impossible Letter Game or Brain It On!?

The Impossible Letter Game ships an update every 4 months, and Brain It On! every 3 weeks. Most recently, The Impossible Letter Game was updated on October 28, 2026 and Brain It On! on October 27, 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.*