# Trinarium vs The FOUR

The clearest difference is in-app purchases: The FOUR at none against Trinarium's 1. Trinarium's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Trinarium sells 1 one-off in-app purchase. The FOUR asks for nothing beyond the download.

Trinarium ships an update every 2 days, The FOUR every 3 weeks. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Trinarium | The FOUR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/trinarium/id6472446629/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 219 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Morhelios LLC](https://appshunter.io/developer/411305586) | [Korea Campus Crusade for Christ](https://appshunter.io/developer/434814361) |

## What reviewers say

### Trinarium

[App page](https://appshunter.io/ios/app/trinarium/id6472446629)

A game of skill where players combine tiles in groups of three to create new ones. It offers a unique puzzle-solving experience based on a ternary system.

**Highlights:** Tile combination gameplay, Ternary system mechanics, Skill-based challenges, Puzzle solving

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Game Play | $0.99 | one-time |


### The FOUR

[App page](https://appshunter.io/ios/app/the-four-grid/id6737247213)

**In-app purchases:** none


## Frequently asked questions

### Is Trinarium free?

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

### Is The FOUR free?

The FOUR is free to download, with no in-app purchases.

### Do Trinarium or The FOUR have ads?

Neither Trinarium nor The FOUR shows ads.

### Which is updated more often, Trinarium or The FOUR?

Trinarium ships an update every 2 days, and The FOUR every 3 weeks. Most recently, Trinarium was updated on October 17, 2026 and The FOUR on October 9, 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.*