# Four Arithmetic Operations vs Piyo Math

The clearest difference is iOS requirement: Four Arithmetic Operations at 7.1 against Piyo Math's 16.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Four Arithmetic Operations | Piyo Math |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | — | Free |
| Size | 11 MB | 4 MB |
| Requires iOS | **7.1** | 16.1 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yu Saito](https://appshunter.io/developer/432081470) | [Daiki Kaneda](https://appshunter.io/developer/1675602625) |

## What reviewers say

### Four Arithmetic Operations

[App page](https://appshunter.io/ios/app/four-arithmetic-operations/id1076116230)

**Features:** macOS Compatibility

**In-app purchases:** none


### Piyo Math

[App page](https://appshunter.io/ios/app/piyo-math/id6446041886)

Engage your brain with a math game that challenges you to form equations using given numbers and four arithmetic operations to reach a target value. With over 8,000 problems across 12 difficulty levels, it offers extended playtime for math enthusiasts and brain trainers alike.

**Highlights:** Equation creation with four operations, Target value challenges, 12 difficulty levels, Over 8,000 problems, Brain training exercises

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

**In-app purchases:** none


## Frequently asked questions

### Is Four Arithmetic Operations free?

Four Arithmetic Operations is free to download, with no in-app purchases.

### Is Piyo Math free?

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

### Do Four Arithmetic Operations or Piyo Math have ads?

Neither Four Arithmetic Operations nor Piyo Math 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.*