# Hailie vs Air MD Professional Spirometry

The clearest difference is rating: Hailie at 3.4 against Air MD Professional Spirometry's 2.7. On price, review sentiment, 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.

Hailie holds the better App Store score, 3.4 against 2.7. Both are backed by a comparable volume of ratings — 13 and 9 respectively. Written reviews point the same way: 25% of Hailie's written reviews are positive against 22% of Air MD Professional Spirometry's.

Hailie ships an update every 2 months, Air MD Professional Spirometry monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Hailie | Air MD Professional Spirometry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (13 ratings)](https://appshunter.io/ios/app/hailie/id421901698/reviews)** | [2.7 (9 ratings)](https://appshunter.io/ios/app/air-md-professional-spirometry/id1040455418/reviews) |
| Number of ratings | **13** | 9 |
| Positive reviews | **25.0% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 53 MB | 66 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Adherium (NZ) Limited](https://appshunter.io/developer/421901702) | [NuvoAir AB](https://appshunter.io/developer/898501906) |

## What reviewers say

### Hailie

[App page](https://appshunter.io/ios/app/hailie/id421901698)

This app helps manage asthma and COPD by tracking inhaler usage and providing reminders. It offers insights into medication patterns to improve adherence and reduce symptoms, integrating with Apple Health for comprehensive health data sharing.

**Highlights:** Real-time inhaler use monitoring, Medication usage pattern insights, Audio-visual reminders, Bluetooth enabled Smartinhalers, Apple Health integration, Clinical evidence of improved adherence

**Features:** macOS Compatibility

**In-app purchases:** none


### Air MD Professional Spirometry

[App page](https://appshunter.io/ios/app/air-md-professional-spirometry/id1040455418)

This professional medical app assists healthcare providers in diagnosing respiratory diseases and monitoring lung function. It pairs with a wireless spirometer to perform and manage spirometry tests, providing detailed reports and patient tracking.

**Highlights:** Measure FEV1, FVC, PEF, FEV1/FVC ratio, Detect errors and coach patients, Grade test sessions for quality, Utilize GLI equations for personalized results, Generate PDF reports, Track diseases and medications, Manage multiple patients (premium)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hailie free?

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

### Is Air MD Professional Spirometry free?

Air MD Professional Spirometry is free to download, with no in-app purchases.

### Which has better reviews, Hailie or Air MD Professional Spirometry?

Hailie is rated higher. Hailie averages 3.4 out of 5 from 13 ratings, while Air MD Professional Spirometry averages 2.7 from 9 ratings.

### Do Hailie or Air MD Professional Spirometry have ads?

Neither Hailie nor Air MD Professional Spirometry shows ads.

### Which is updated more often, Hailie or Air MD Professional Spirometry?

Hailie ships an update every 2 months, and Air MD Professional Spirometry monthly. Most recently, Hailie was updated on November 1, 2026 and Air MD Professional Spirometry on November 2, 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.*