# 4=10 vs 2 Sides Challenge

The clearest difference is in-app purchases: 2 Sides Challenge at none against 4=10's 1. 2 Sides Challenge also leads on update cadence (every 10 days vs every 2 months). 4=10's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. 4=10 sells 1 one-off in-app purchase. 2 Sides Challenge asks for nothing beyond the download.

4=10 ships an update every 2 months, 2 Sides Challenge every 10 days. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 4=10 | 2 Sides Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (2.6K ratings)](https://appshunter.io/ios/app/410/id1609871477/reviews)** | — |
| Number of ratings | **2.6K** | — |
| Positive reviews | 97.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sveinn Steinarsson](https://appshunter.io/developer/1477881290) | [Dmitrii Nikolaev](https://appshunter.io/developer/1801292122) |

## What reviewers say

### 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


### 2 Sides Challenge

[App page](https://appshunter.io/ios/app/2-sides-challenge/id6790892823)

**In-app purchases:** none


## Frequently asked questions

### Is 4=10 free?

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

### Is 2 Sides Challenge free?

2 Sides Challenge is free to download, with no in-app purchases.

### Do 4=10 or 2 Sides Challenge have ads?

Neither 4=10 nor 2 Sides Challenge shows ads.

### Which is updated more often, 4=10 or 2 Sides Challenge?

4=10 ships an update every 2 months, and 2 Sides Challenge every 10 days. Most recently, 4=10 was updated on October 17, 2026 and 2 Sides Challenge on October 16, 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.*