# Voltello vs OverflowEV

The clearest difference is update cadence: OverflowEV at every 6 days against Voltello's every 3 weeks. Voltello's advantage is iOS requirement (13.0 vs 17.6). 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.

Voltello ships an update every 3 weeks, OverflowEV every 6 days. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Voltello | OverflowEV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 56 MB | 25 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Village Energy Operations Pty Ltd](https://appshunter.io/developer/1597230734) | [Ben Wilson](https://appshunter.io/developer/561668597) |

## What reviewers say

### Voltello

[App page](https://appshunter.io/ios/app/voltello/id1645268242)

**Features:** macOS Compatibility

**In-app purchases:** none


### OverflowEV

[App page](https://appshunter.io/ios/app/overflowev/id6797779321)

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

**In-app purchases:** none


## Frequently asked questions

### Is Voltello free?

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

### Is OverflowEV free?

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

### Do Voltello or OverflowEV have ads?

Neither Voltello nor OverflowEV shows ads.

### Which is updated more often, Voltello or OverflowEV?

Voltello ships an update every 3 weeks, and OverflowEV every 6 days. Most recently, Voltello was updated on October 3, 2026 and OverflowEV on October 2, 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.*