# Voltio Pro vs Carnet Digital OECI

The clearest difference is in-app purchases: Carnet Digital OECI at none against Voltio Pro's 6. Carnet Digital OECI also leads on iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Voltio Pro sells 6 in-app purchases, starting at $6.99 per month. Carnet Digital OECI asks for nothing beyond the download.

## The numbers

| Metric | Voltio Pro | Carnet Digital OECI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 50 MB | 25 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CARLOS VIZCAINO MORENTIN](https://appshunter.io/developer/1847142629) | [ORGANISMO ESPANOL DE CERTIFICACION INDUSTRIAL SOCIEDAD LIMITADA](https://appshunter.io/developer/1895413244) |

## What reviewers say

### Voltio Pro

[App page](https://appshunter.io/ios/app/voltio-pro/id6759069560)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plan Oficial | $6.99 | per month |
| Plan Maestro Mensual | $11.99 | per month |
| Plan Maestro Pro Mensual | $17.99 | per month |
| Plan Oficial Anual | $69.99 | per year |
| Plan Maestro Anual | $119.99 | per year |
| Plan Maestro Pro Anual | $179.99 | per year |


### Carnet Digital OECI

[App page](https://appshunter.io/ios/app/carnet-digital-oeci/id6778883619)

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

**In-app purchases:** none


## Frequently asked questions

### Is Voltio Pro free?

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

### Is Carnet Digital OECI free?

Carnet Digital OECI is free to download, with no in-app purchases.

### Do Voltio Pro or Carnet Digital OECI have ads?

Neither Voltio Pro nor Carnet Digital OECI shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*