# Audin vs Voltaback

The clearest difference is device support: Audin at 3 against Voltaback's 1. 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.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Audin | Voltaback |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 50 MB | 78 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Wifirst](https://appshunter.io/developer/1658743130) | [Voltaback](https://appshunter.io/developer/1892994216) |

## What reviewers say

### Audin

[App page](https://appshunter.io/ios/app/audin/id6737128450)

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

**In-app purchases:** none


### Voltaback

[App page](https://appshunter.io/ios/app/voltaback-home-ev-charging/id6786246784)

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

**In-app purchases:** none


## Frequently asked questions

### Is Audin free?

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

### Is Voltaback free?

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

### Do Audin or Voltaback have ads?

Neither Audin nor Voltaback shows ads.

### Which is updated more often, Audin or Voltaback?

Audin ships an update weekly, and Voltaback weekly. Most recently, Audin was updated on October 17, 2026 and Voltaback on October 19, 2026.

---

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