# Tchisla vs 4=10

The clearest difference is ratings volume: 4=10 at 2.6K against Tchisla's 154. 4=10 also leads on review sentiment (98% vs 88%). Tchisla's advantage is iOS requirement (8.0 vs 12.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Tchisla sells 1 one-off in-app purchase and 4=10 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Tchisla against 4.9 for 4=10. That said, the two scores are not equally well evidenced: 4=10 has 2.6K ratings behind it against 154, so its average is the more settled of the two. Written reviews are what separate them: 88% of Tchisla's written reviews are positive against 98% of 4=10's.

Tchisla ships an update monthly, 4=10 every 2 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Tchisla | 4=10 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (154 ratings)](https://appshunter.io/ios/app/tchisla-number-puzzle/id1100623105/reviews) | **[4.9 (2.6K ratings)](https://appshunter.io/ios/app/410/id1609871477/reviews)** |
| Number of ratings | 154 | **2.6K** |
| Positive reviews | 87.7% of reviews | **97.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 25 MB | 33 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HORIS INTERNATIONAL LIMITED](https://appshunter.io/developer/646324304) | [Sveinn Steinarsson](https://appshunter.io/developer/1477881290) |

## What reviewers say

### Tchisla

[App page](https://appshunter.io/ios/app/tchisla-number-puzzle/id1100623105)

This app challenges you to represent numbers as arithmetic expressions using only digits 1-9. It offers various operations, including roots, powers, and factorials, to find optimal solutions. Improve your mental math skills through engaging puzzles and competitive modes.

**Highlights:** Represent numbers as arithmetic expressions, Use digits 1-9, Standard arithmetic operations (+, -, *, /), Advanced operations (√, ^, !), Practice mode with tutorial, Competitive modes with leaderboards, Gallery for tracking progress and solutions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extended gallery | $1.99 | one-time |


### 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 Tchisla free?

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

### Is 4=10 free?

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

### Which has better reviews, Tchisla or 4=10?

4=10 is rated higher. Tchisla averages 4.9 out of 5 from 154 ratings, while 4=10 averages 4.9 from 2.6K ratings.

### Do Tchisla or 4=10 have ads?

Neither Tchisla nor 4=10 shows ads.

### Which is updated more often, Tchisla or 4=10?

Tchisla ships an update monthly, and 4=10 every 2 months. Most recently, Tchisla was updated on October 24, 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.*