# IDUNN Spa vs AIRO Controller

The clearest difference is iOS requirement: AIRO Controller at 11.0 against IDUNN Spa's 13.0. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for IDUNN Spa against 5.0 for AIRO Controller. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

IDUNN Spa ships an update every 2 weeks, AIRO Controller fortnightly. The most recent releases landed on October 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | IDUNN Spa | AIRO Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/idunn-spa/id6444607535/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/airo-controller/id6502885378/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free | Free |
| Size | 44 MB | 49 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [IDUNN WATER](https://appshunter.io/developer/1647405695) | [CBH Development, LLC](https://appshunter.io/developer/1747212629) |

## What reviewers say

### IDUNN Spa

[App page](https://appshunter.io/ios/app/idunn-spa/id6444607535)

Control your Personalized Oxygen Delivery System remotely from any location. This application transforms your smart device into a user-friendly remote control for managing all aspects of your PODS™.

**Highlights:** Remote access to PODS™, Smart device integration, Wireless and cellular control, Easy user interface, Manage all PODS™ aspects

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

**In-app purchases:** none


### AIRO Controller

[App page](https://appshunter.io/ios/app/airo-controller/id6502885378)

Control your AIRO System for guided or self-guided workouts. Adjust oxygen concentration, monitor workout duration, and follow protocol instructions with built-in timers and cool-down periods.

**Highlights:** Wireless AIRO System control, Protocol-guided workouts, Self-guided workout options, Oxygen concentration adjustment, Workout time monitoring, Built-in cool-down

**In-app purchases:** none


## Frequently asked questions

### Is IDUNN Spa free?

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

### Is AIRO Controller free?

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

### Which has better reviews, IDUNN Spa or AIRO Controller?

IDUNN Spa and AIRO Controller are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do IDUNN Spa or AIRO Controller have ads?

Neither IDUNN Spa nor AIRO Controller shows ads.

### Which is updated more often, IDUNN Spa or AIRO Controller?

IDUNN Spa ships an update every 2 weeks, and AIRO Controller fortnightly. Most recently, IDUNN Spa was updated on October 7, 2026 and AIRO Controller on September 18, 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.*