# WattCheck vs VoltSize

The clearest difference is in-app purchases: VoltSize at none against WattCheck's 3. WattCheck's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. WattCheck sells 3 in-app purchases, starting at $1.99 per 7 days. VoltSize asks for nothing beyond the download.

## The numbers

| Metric | WattCheck | VoltSize |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Size | 17 MB | 46 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SUN TEAME PTE. LTD.](https://appshunter.io/developer/941073095) | [Emin Burak YILDIRIM](https://appshunter.io/developer/1857921914) |

## What reviewers say

### WattCheck

[App page](https://appshunter.io/ios/app/wattcheck-cable-tester/id6790480866)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WattCheck Premium Weekly | $1.99 | per 7 days |
| WattCheck Premium Monthly | $5.99 | per month |
| WattCheck Premium Yearly | $29.99 | per year |


### VoltSize

[App page](https://appshunter.io/ios/app/voltsize/id6795860156)

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

**In-app purchases:** none


## Frequently asked questions

### Is WattCheck free?

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

### Is VoltSize free?

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

### Do WattCheck or VoltSize have ads?

VoltSize shows ads; WattCheck 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.*