# HexThrees vs Arithmix

The clearest difference is in-app purchases: HexThrees at none against Arithmix's 6. HexThrees also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). Arithmix's advantage is update cadence (every 9 days vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Arithmix sells 6 one-off in-app purchases. HexThrees asks for nothing beyond the download.

HexThrees ships an update every 5 months, Arithmix every 9 days. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | HexThrees | Arithmix |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 1 MB | 25 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ilja Stepanow](https://appshunter.io/developer/1532412634) | [Axleno LLC](https://appshunter.io/developer/1861193887) |

## What reviewers say

### HexThrees

[App page](https://appshunter.io/ios/app/hexthrees/id1532412632)

A relaxing puzzle game where you swipe tiles to merge them based on Fibonacci and power-of-two rules. Expand your game field for endless play and enjoy satisfying haptic feedback on compatible devices.

**Highlights:** Swipe to move tiles, Merge tiles by Fibonacci and power-of-two rules, Expandable game field for endless play, Satisfying haptic feedback, Relaxing gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Arithmix

[App page](https://appshunter.io/ios/app/arithmix-math-sudoku/id6756529833)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lite | $1.99 | one-time |
| 5 Extra Lives | $1.99 | one-time |
| Premium Mini | $2.99 | one-time |
| 15 Extra Lives | $2.99 | one-time |
| 30 Extra Lives | $3.99 | one-time |
| Premium Mega | $4.99 | one-time |


## Frequently asked questions

### Is HexThrees free?

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

### Is Arithmix free?

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

### Do HexThrees or Arithmix have ads?

Arithmix shows ads; HexThrees does not.

### Which is updated more often, HexThrees or Arithmix?

HexThrees ships an update every 5 months, and Arithmix every 9 days. Most recently, HexThrees was updated on October 13, 2026 and Arithmix on October 2, 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.*