# Substation Digital vs Airties Pro

The clearest difference is iOS requirement: Substation Digital at 13.4 against Airties Pro's 15.6. 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.

Substation Digital ships an update every 5 weeks, Airties Pro every 2 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Substation Digital | Airties Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 42 MB | 66 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [International Organization for Substations Digital Development POWER VIEW](https://appshunter.io/developer/1760809328) | [Airties Kablosuz Iletisim Sanayi ve Dis Ticaret A.S.](https://appshunter.io/developer/490630634) |

## What reviewers say

### Substation Digital

[App page](https://appshunter.io/ios/app/substation-digital/id6599860006)

**Features:** macOS Compatibility

**In-app purchases:** none


### Airties Pro

[App page](https://appshunter.io/ios/app/airties-pro/id6741916353)

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

**In-app purchases:** none


## Frequently asked questions

### Is Substation Digital free?

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

### Is Airties Pro free?

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

### Do Substation Digital or Airties Pro have ads?

Neither Substation Digital nor Airties Pro shows ads.

### Which is updated more often, Substation Digital or Airties Pro?

Substation Digital ships an update every 5 weeks, and Airties Pro every 2 months. Most recently, Substation Digital was updated on October 27, 2026 and Airties Pro on October 28, 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.*