# Hailie vs MIR SMART ONE

The clearest difference is rating: Hailie at 3.4 against MIR SMART ONE's 2.8. Hailie also leads on update cadence (every 2 months vs every 4 months). On price, review sentiment, ratings volume and ads 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 2.8. Both are backed by a comparable volume of ratings — 13 and 22 respectively. Written reviews split almost evenly too, at 25% and 25% positive.

Hailie ships an update every 2 months, MIR SMART ONE every 4 months. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Hailie | MIR SMART ONE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (13 ratings)](https://appshunter.io/ios/app/hailie/id421901698/reviews)** | [2.8 (22 ratings)](https://appshunter.io/ios/app/mir-smart-one/id1010664940/reviews) |
| Number of ratings | 13 | **22** |
| Positive reviews | 25.0% of reviews | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 53 MB | 22 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Adherium (NZ) Limited](https://appshunter.io/developer/421901702) | [MIR Medical International Research](https://appshunter.io/developer/1010662698) |

## 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


### MIR SMART ONE

[App page](https://appshunter.io/ios/app/mir-smart-one/id1010664940)

This app works with a connected device to measure respiratory function, including FEV1 and PEF. It provides real-time feedback with a traffic light system and stores results for easy tracking and sharing. Personal health data is used solely for calculating target values.

**Highlights:** Bluetooth Peak Flow and FEV1 measurement, Real-time data transfer and animation, Traffic light health indicator, Automatic test result storage, Symptom and note logging, PDF report generation for sharing, Apple Health integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hailie free?

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

### Is MIR SMART ONE free?

MIR SMART ONE is free to download, with no in-app purchases.

### Which has better reviews, Hailie or MIR SMART ONE?

Hailie is rated higher. Hailie averages 3.4 out of 5 from 13 ratings, while MIR SMART ONE averages 2.8 from 22 ratings.

### Do Hailie or MIR SMART ONE have ads?

Neither Hailie nor MIR SMART ONE shows ads.

### Which is updated more often, Hailie or MIR SMART ONE?

Hailie ships an update every 2 months, and MIR SMART ONE every 4 months. Most recently, Hailie was updated on October 23, 2026 and MIR SMART ONE on October 20, 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.*