# MULTIDIGIT air vs Helios

The clearest difference is iOS requirement: Helios at 12 against MULTIDIGIT air's 16.6. 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.

## The numbers

| Metric | MULTIDIGIT air | Helios |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 8 MB | 186 MB |
| Requires iOS | 16.6 | **12** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RZB Rudolf Zimmermann, Bamberg GmbH](https://appshunter.io/developer/1497298947) | [Helios Ventilatoren GmbH + Co KG](https://appshunter.io/developer/1553902986) |

## What reviewers say

### MULTIDIGIT air

[App page](https://appshunter.io/ios/app/multidigit-air/id6478523791)

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

**In-app purchases:** none


### Helios

[App page](https://appshunter.io/ios/app/helios-wsup/id6499433140)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MULTIDIGIT air free?

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

### Is Helios free?

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

### Do MULTIDIGIT air or Helios have ads?

Neither MULTIDIGIT air nor Helios 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.*