# YinYu Math Game vs Iron Sharpens

The clearest difference is iOS requirement: Iron Sharpens at 13.0 against YinYu Math Game's 15.0. 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 | YinYu Math Game | Iron Sharpens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/yinyu-math-game/id1668565042/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Free | — |
| Size | 34 MB | 31 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roger Webster](https://appshunter.io/developer/563525030) | [Rollin Seymour](https://appshunter.io/developer/1881873848) |

## What reviewers say

### YinYu Math Game

[App page](https://appshunter.io/ios/app/yinyu-math-game/id1668565042)

This educational math game challenges players to solve algebraic expressions using PEMDAS. It features progressive difficulty levels, a global leaderboard, and is designed for middle and high school students interested in STEM.

**Highlights:** PEMDAS expression evaluation, Progressive difficulty levels (17 per step), Global leaderboard, Timed challenges, STEM-focused learning, Random number generation

**Features:** macOS Compatibility

**In-app purchases:** none


### Iron Sharpens

[App page](https://appshunter.io/ios/app/iron-sharpens/id6769100888)

**In-app purchases:** none


## Frequently asked questions

### Is YinYu Math Game free?

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

### Is Iron Sharpens free?

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

### Do YinYu Math Game or Iron Sharpens have ads?

Neither YinYu Math Game nor Iron Sharpens 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.*