# Treequation vs 18 Puzzle Game

The clearest difference is in-app purchases: 18 Puzzle Game at none against Treequation's 1. Treequation's advantage is iOS requirement (12.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Treequation sells 1 one-off in-app purchase. 18 Puzzle Game asks for nothing beyond the download.

## The numbers

| Metric | Treequation | 18 Puzzle Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/treequation/id6479197259/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Monetization | Free with in-app purchases | — |
| Size | 69 MB | 35 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Second Entity LLC](https://appshunter.io/developer/413286706) | [Absolutist Ltd](https://appshunter.io/developer/354691168) |

## What reviewers say

### Treequation

[App page](https://appshunter.io/ios/app/treequation/id6479197259)

Engage in a unique puzzle experience by balancing equation trees to solve mathematical challenges. Progress through difficulty levels, earn titles, and enjoy offline play with a minimalist design. Unlock unlimited puzzles with a single in-app purchase.

**Highlights:** Unlimited arithmetic puzzles, Equation tree balancing, Four difficulty levels, Six earnable titles, Offline play, Minimalist design

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $2.99 | one-time |


### 18 Puzzle Game

[App page](https://appshunter.io/ios/app/18-puzzle-game/id6736483579)

**In-app purchases:** none


## Frequently asked questions

### Is Treequation free?

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

### Is 18 Puzzle Game free?

18 Puzzle Game is free to download, with no in-app purchases.

### Do Treequation or 18 Puzzle Game have ads?

Neither Treequation nor 18 Puzzle Game shows ads.

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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.*