# MathCharts vs eWings

The clearest difference is in-app purchases: eWings at none against MathCharts's 1. eWings also leads on ads (none vs shown) and iOS requirement (18.5 vs 26.0). On price and device support there is nothing between them.

Both are free to download. MathCharts sells 1 one-off in-app purchase. eWings asks for nothing beyond the download.

## The numbers

| Metric | MathCharts | eWings |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | — |
| Size | 31 MB | 3 MB |
| Requires iOS | 26.0 | **18.5** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yusuke Yamazaki](https://appshunter.io/developer/1831883406) | [Bithub](https://appshunter.io/developer/1462257130) |

## What reviewers say

### MathCharts

[App page](https://appshunter.io/ios/app/mathcharts/id6752211960)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Ads | $3.49 | one-time |


### eWings

[App page](https://appshunter.io/ios/app/ewings/id6753949833)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MathCharts free?

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

### Is eWings free?

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

### Do MathCharts or eWings have ads?

MathCharts shows ads; eWings does not.

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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.*