# Smartbox® vs Voltio by Mutua

The clearest difference is rating: Voltio by Mutua at 4.9 against Smartbox®'s 1.0. Voltio by Mutua also leads on ratings volume (27 vs 8). Smartbox®'s advantage is monetization model (free vs free with in-app purchases) and review sentiment (9% vs 0%). On price, update cadence, ads 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.

Voltio by Mutua holds the better App Store score, 4.9 against 1.0. Both are backed by a comparable volume of ratings — 8 and 27 respectively. Written reviews complicate that: 9% of Smartbox®'s written reviews are positive against 0% of Voltio by Mutua's, so the app with the better star average is not the one people write more warmly about.

Smartbox® ships an update every 3 weeks, Voltio by Mutua every 2 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Smartbox® | Voltio by Mutua |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (8 ratings)](https://appshunter.io/ios/app/smartbox/id1350380905/reviews) | **[4.9 (27 ratings)](https://appshunter.io/ios/app/voltio-by-mutua-carsharing/id6444582191/reviews)** |
| Number of ratings | 8 | **27** |
| Positive reviews | **9.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 142 MB | 123 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Smartbox Experience Ltd.](https://appshunter.io/developer/479847438) | [Mutuamad Sharing S.L](https://appshunter.io/developer/1655475210) |

## What reviewers say

### Smartbox®

[App page](https://appshunter.io/ios/app/smartbox/id1350380905)

Discover and book unforgettable experiences for yourself or as a gift. Register, select, book, exchange, and redeem your chosen adventure directly from your smartphone.

**Highlights:** Discover gift experiences, Book experiences, Register Smartbox, Exchange Smartbox, Redeem Smartbox, Manage experiences on smartphone

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### Voltio by Mutua

[App page](https://appshunter.io/ios/app/voltio-by-mutua-carsharing/id6444582191)

Rent 100% electric cars by the minute, hour, or day for flexible travel within and around Madrid. Enjoy a convenient, eco-friendly, and digital mobility solution with competitive pricing and free parking in designated zones.

**Highlights:** Rent by minute, hour, or day, 100% electric vehicles, Digital registration and rental, Free parking in SER zones, Pause mode for stops, Airport service available, Home delivery option

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smartbox® free?

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

### Is Voltio by Mutua free?

Voltio by Mutua is free to download, with no in-app purchases.

### Which has better reviews, Smartbox® or Voltio by Mutua?

Voltio by Mutua is rated higher. Smartbox® averages 1.0 out of 5 from 8 ratings, while Voltio by Mutua averages 4.9 from 27 ratings.

### Do Smartbox® or Voltio by Mutua have ads?

Neither Smartbox® nor Voltio by Mutua shows ads.

### Which is updated more often, Smartbox® or Voltio by Mutua?

Smartbox® ships an update every 3 weeks, and Voltio by Mutua every 2 weeks. Most recently, Smartbox® was updated on October 26, 2026 and Voltio by Mutua on October 25, 2026.

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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.*