# Sigma Charge vs Volt EV

The clearest difference is device support: Sigma Charge at 2 against Volt EV's —. Sigma Charge also leads on iOS requirement (13.4 vs 15.1). On price and in-app purchases 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 | Sigma Charge | Volt EV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Monthly | — |
| Size | 54 MB | 67 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [Sigma Systems, Mmc](https://appshunter.io/developer/1726343396) | [Yellow Haze Pvt. Ltd.](https://appshunter.io/developer/1645993000) |

## What reviewers say

### Sigma Charge

[App page](https://appshunter.io/ios/app/sigma-charge/id6476268128)

**Features:** macOS Compatibility

**In-app purchases:** none


### Volt EV

[App page](https://appshunter.io/ios/app/volt-ev/id6753817451)

**In-app purchases:** none


## Frequently asked questions

### Is Sigma Charge free?

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

### Is Volt EV free?

Volt EV 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.*