# Arithmetic HD vs Three Pigs Cantonese

The clearest difference is update cadence: Three Pigs Cantonese at every 3 months against Arithmetic HD's every 9 months. Three Pigs Cantonese also leads on price ($0.99 vs $1.99). Arithmetic HD's advantage is iOS requirement (12.1 vs 18.2). On ads, in-app purchases and device support there is nothing between them.

Arithmetic HD costs $1.99 and Three Pigs Cantonese $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Arithmetic HD ships an update every 9 months, Three Pigs Cantonese every 3 months. The most recent releases landed on September 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Arithmetic HD | Three Pigs Cantonese |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Size | 17 MB | 1.2 GB |
| Requires iOS | **12.1** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kostakov Maxim](https://appshunter.io/developer/524964352) | [Jeffrey Dick](https://appshunter.io/developer/821338172) |

## What reviewers say

### Arithmetic HD

[App page](https://appshunter.io/ios/app/arithmetic-hd/id686967632)

**Features:** macOS Compatibility

**In-app purchases:** none


### Three Pigs Cantonese

[App page](https://appshunter.io/ios/app/three-pigs-cantonese/id6738539133)

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

**In-app purchases:** none


## Frequently asked questions

### Is Arithmetic HD free?

Arithmetic HD costs $1.99, with no in-app purchases.

### Is Three Pigs Cantonese free?

Three Pigs Cantonese costs $0.99, with no in-app purchases.

### Do Arithmetic HD or Three Pigs Cantonese have ads?

Neither Arithmetic HD nor Three Pigs Cantonese shows ads.

### Which is updated more often, Arithmetic HD or Three Pigs Cantonese?

Arithmetic HD ships an update every 9 months, and Three Pigs Cantonese every 3 months. Most recently, Arithmetic HD was updated on September 13, 2026 and Three Pigs Cantonese on October 3, 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.*