# The Impossible Guessing Game vs 4=10

The clearest difference is review sentiment: 4=10 at 98% against The Impossible Guessing Game's 29%. 4=10 also leads on rating (4.9 vs 4.0) and update cadence (every 2 months vs every 21 months). The Impossible Guessing Game's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. 4=10 sells 1 one-off in-app purchase. The Impossible Guessing Game asks for nothing beyond the download.

4=10 holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: 4=10 has 2.6K ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 29% of The Impossible Guessing Game's written reviews are positive against 98% of 4=10's.

The Impossible Guessing Game ships an update every 21 months, 4=10 every 2 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | The Impossible Guessing Game | 4=10 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (27 ratings)](https://appshunter.io/ios/app/the-impossible-guessing-game/id862782928/reviews) | **[4.9 (2.6K ratings)](https://appshunter.io/ios/app/410/id1609871477/reviews)** |
| Number of ratings | 27 | **2.6K** |
| Positive reviews | 28.6% of reviews | **97.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 33 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GammaLateral LLC](https://appshunter.io/developer/685178329) | [Sveinn Steinarsson](https://appshunter.io/developer/1477881290) |

## What reviewers say

### The Impossible Guessing Game

[App page](https://appshunter.io/ios/app/the-impossible-guessing-game/id862782928)

A deceptively simple yet challenging guessing game that tests your decision-making skills. It's designed to be easy to learn but difficult to master, offering a unique test of wit. Good luck!

**Highlights:** Simple gameplay, Challenging difficulty, Decision-making test, Unique game concept

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

**In-app purchases:** none


### 4=10

[App page](https://appshunter.io/ios/app/410/id1609871477)

A casual number puzzle game for all ages. Combine four given numbers using basic math operations to reach the target of 10. It offers a relaxing experience that improves mental math skills and number familiarity.

**Highlights:** Combine four numbers to equal 10, Basic math operations, Gradually increasing difficulty, One-handed play, Improves mental math skills, Relaxing and soothing gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4≠10 add-on | $3.99 | one-time |

**What reviewers like**

- 👍 Simple and fun
- 🧠 Helps improve math skills
- 🔒 No ads or in-app purchases
- 💡 Challenging yet relaxing

**What reviewers complain about**

- 🤔 Some levels too easy
- 🤯 Can get repetitive at times

**Reported bugs**

- None reported

**Requested features**

- Add more difficulty levels
- Introduce new gameplay modes


## Frequently asked questions

### Is The Impossible Guessing Game free?

The Impossible Guessing Game is free to download, with no in-app purchases.

### Is 4=10 free?

4=10 is free to download, with in-app purchases available.

### Which has better reviews, The Impossible Guessing Game or 4=10?

4=10 is rated higher. The Impossible Guessing Game averages 4.0 out of 5 from 27 ratings, while 4=10 averages 4.9 from 2.6K ratings.

### Do The Impossible Guessing Game or 4=10 have ads?

Neither The Impossible Guessing Game nor 4=10 shows ads.

### Which is updated more often, The Impossible Guessing Game or 4=10?

The Impossible Guessing Game ships an update every 21 months, and 4=10 every 2 months. Most recently, The Impossible Guessing Game was updated on October 23, 2026 and 4=10 on October 23, 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.*