# The Impossible Letter Game vs Impossible Charge

The clearest difference is in-app purchases: Impossible Charge at none against The Impossible Letter Game's 4. Impossible Charge also leads on update cadence (every 5 weeks vs every 4 months) and iOS requirement (15.0 vs 17.1). The Impossible Letter Game's advantage is rating (4.6 vs 4.2) and ratings volume (17K vs 25). On price, ads and device support there is nothing between them.

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

The Impossible Letter Game holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: The Impossible Letter Game has 17K ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 81% of The Impossible Letter Game's written reviews are positive against 59% of Impossible Charge's.

The Impossible Letter Game ships an update every 4 months, Impossible Charge every 5 weeks. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | The Impossible Letter Game | Impossible Charge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (17K ratings)](https://appshunter.io/ios/app/the-impossible-letter-game/id852152318/reviews)** | [4.2 (25 ratings)](https://appshunter.io/ios/app/impossible-charge/id1120683439/reviews) |
| Number of ratings | **17K** | 25 |
| Positive reviews | **81.4% of reviews** | 59.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 75 MB | 116 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) | [Most Played Games Inc](https://appshunter.io/developer/1119208391) |

## 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


### Impossible Charge

[App page](https://appshunter.io/ios/app/impossible-charge/id1120683439)

A simple and fun addictive game where players charge batteries. Avoid running out of power by ensuring a good charge. Offers over 400 levels with surprises on later stages.

**Highlights:** Charge batteries, Addictive gameplay, Over 400 levels, Play anywhere, Surprise elements

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

**In-app purchases:** none

**What reviewers like**

- 🤩 Addictive gameplay
- 🧠 Brain challenging
- 👍 Fun and enjoyable
- 🚀 Smooth performance
- 🏆 Great for competition

**What reviewers complain about**

- 😠 Frustrating levels
- ⚖️ Unfair difficulty
- ❓ Confusing mechanics
- 💸 Perceived monetization tactics

**Reported bugs**

- Level 30 impossible to beat
- Level 39 impossible to beat
- Algorithm errors at higher levels
- Game rigged to make users lose
- Specific target numbers unobtainable

**Requested features**

- Add a way to look back on levels
- Update max charge to 1000
- Add celebratory sounds on level completion
- Add an endless mode
- Option to change battery color


## Frequently asked questions

### Is The Impossible Letter Game free?

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

### Is Impossible Charge free?

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

### Which has better reviews, The Impossible Letter Game or Impossible Charge?

The Impossible Letter Game is rated higher. The Impossible Letter Game averages 4.6 out of 5 from 17K ratings, while Impossible Charge averages 4.2 from 25 ratings.

### Do The Impossible Letter Game or Impossible Charge have ads?

Both The Impossible Letter Game and Impossible Charge show ads.

### Which is updated more often, The Impossible Letter Game or Impossible Charge?

The Impossible Letter Game ships an update every 4 months, and Impossible Charge every 5 weeks. Most recently, The Impossible Letter Game was updated on October 25, 2026 and Impossible Charge on October 22, 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.*