# Supernova Update vs ARC400

The clearest difference is iOS requirement: Supernova Update at 11.0 against ARC400's 16.4. 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.

## The numbers

| Metric | Supernova Update | ARC400 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 14 MB | 62 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Supernova Design GmbH and Co. KG](https://appshunter.io/developer/1491743074) | [KI Momentum GmbH](https://appshunter.io/developer/6800656977) |

## What reviewers say

### Supernova Update

[App page](https://appshunter.io/ios/app/supernova-update/id1510358555)

This application facilitates the updating of battery firmware, working in conjunction with the SupernovaB54 app. It ensures your device's battery firmware is current.

**Highlights:** Battery firmware updates, Works with SupernovaB54 app, Device firmware management

**Features:** macOS Compatibility

**In-app purchases:** none


### ARC400

[App page](https://appshunter.io/ios/app/arc400/id6800656975)

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

**In-app purchases:** none


## Frequently asked questions

### Is Supernova Update free?

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

### Is ARC400 free?

ARC400 is free to download, with no in-app purchases.

### Do Supernova Update or ARC400 have ads?

Neither Supernova Update nor ARC400 shows ads.

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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.*