# voltworks vs 易图

The clearest difference is device support: 易图 at 3 against voltworks's —. On price, in-app purchases and iOS requirement 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 | voltworks | 易图 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/voltworks/id1659478449/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | — | Every 2 weeks |
| Size | 27 MB | 111 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [雪锋 黄](https://appshunter.io/developer/1635926506) | [金瑞 王](https://appshunter.io/developer/1286312746) |

## What reviewers say

### voltworks

[App page](https://appshunter.io/ios/app/voltworks/id1659478449)

**In-app purchases:** none


### 易图

[App page](https://appshunter.io/ios/app/id1672210871)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is voltworks free?

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

### Is 易图 free?

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

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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.*