# XL Athlete vs AIRO Controller

The clearest difference is update cadence: AIRO Controller at fortnightly against XL Athlete's every 19 months. AIRO Controller also leads on iOS requirement (11.0 vs 15.0). XL Athlete's advantage is ratings volume (3 vs 1). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for XL Athlete against 5.0 for AIRO Controller. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

XL Athlete ships an update every 19 months, AIRO Controller fortnightly. The most recent releases landed on June 1, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | XL Athlete | AIRO Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/xl-athlete/id1341091310/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/airo-controller/id6502885378/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 48 MB | 49 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Calvin Dietz](https://appshunter.io/developer/1667421582) | [CBH Development, LLC](https://appshunter.io/developer/1747212629) |

## What reviewers say

### XL Athlete

[App page](https://appshunter.io/ios/app/xl-athlete/id1341091310)

Log workouts, track progress, and access sport-specific drills and exercise videos. This app offers strength and speed training information developed by professional coaches for athletes and coaches at various levels.

**Highlights:** Workout logging, Progress tracking, Scheduled workouts, Strength training information, Sport-specific drills, Exercise videos

**Features:** macOS Compatibility

**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 XL Athlete free?

XL Athlete 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, XL Athlete or AIRO Controller?

XL Athlete and AIRO Controller are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do XL Athlete or AIRO Controller have ads?

Neither XL Athlete nor AIRO Controller shows ads.

### Which is updated more often, XL Athlete or AIRO Controller?

XL Athlete ships an update every 19 months, and AIRO Controller fortnightly. Most recently, XL Athlete was updated on June 1, 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.*