# 4=10 vs Longest River

The clearest difference is in-app purchases: Longest River at none against 4=10's 1. 4=10's advantage is ads (none vs shown) and ratings volume (2.6K vs 4). On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for 4=10 against 5.0 for Longest River. That said, the two scores are not equally well evidenced: 4=10 has 2.6K ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 98% of 4=10's written reviews are positive against 100% of Longest River's.

4=10 ships an update every 2 months, Longest River every 3 weeks. The most recent releases landed on October 23, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 4=10 | Longest River |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (2.6K ratings)](https://appshunter.io/ios/app/410/id1609871477/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/longest-river/id6464080541/reviews)** |
| Number of ratings | **2.6K** | 4 |
| Positive reviews | 97.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 33 MB | 40 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sveinn Steinarsson](https://appshunter.io/developer/1477881290) | [Cloudberry Pine AB](https://appshunter.io/developer/1705456072) |

## 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


### Longest River

[App page](https://appshunter.io/ios/app/longest-river/id6464080541)

A logic puzzle game where you create the longest possible river paths using stone blocks. Enjoy a relaxing experience with nature and piano sounds as you test your IQ and complete challenging levels.

**Highlights:** Create longest river paths, Logical brain puzzle, Relaxing soundtrack, No time limits, Undo button, Suitable for adults and kids

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 4=10 free?

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

### Is Longest River free?

Longest River is free to download, with no in-app purchases.

### Which has better reviews, 4=10 or Longest River?

Longest River is rated higher. 4=10 averages 4.9 out of 5 from 2.6K ratings, while Longest River averages 5.0 from 4 ratings.

### Do 4=10 or Longest River have ads?

Longest River shows ads; 4=10 does not.

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

4=10 ships an update every 2 months, and Longest River every 3 weeks. Most recently, 4=10 was updated on October 23, 2026 and Longest River on October 1, 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.*