# Voltrelli vs Oasis One

The clearest difference is update cadence: Voltrelli at every 10 days against Oasis One's every 19 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Voltrelli ships an update every 10 days, Oasis One every 19 months. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Voltrelli | Oasis One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 19 months |
| Size | 87 MB | 112 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smart Business & Technologies Solutions SRL](https://appshunter.io/developer/1650374230) | [ETECNIC MOVILIDAD ELECTRICA](https://appshunter.io/developer/1414150548) |

## What reviewers say

### Voltrelli

[App page](https://appshunter.io/ios/app/voltrelli/id6443899578)

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

**In-app purchases:** none


### Oasis One

[App page](https://appshunter.io/ios/app/oasis-one/id6504027902)

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

**In-app purchases:** none


## Frequently asked questions

### Is Voltrelli free?

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

### Is Oasis One free?

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

### Do Voltrelli or Oasis One have ads?

Neither Voltrelli nor Oasis One shows ads.

### Which is updated more often, Voltrelli or Oasis One?

Voltrelli ships an update every 10 days, and Oasis One every 19 months. Most recently, Voltrelli was updated on October 4, 2026 and Oasis One on September 30, 2026.

---

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