# Lanthier vs MIR Spiro

The clearest difference is review sentiment: Lanthier at 62% against MIR Spiro's 17%. MIR Spiro's advantage is rating (4.5 vs 3.8) and in-app purchases (none vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Lanthier sells 2 in-app purchases, starting at $19.49 per year. MIR Spiro asks for nothing beyond the download.

MIR Spiro holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews complicate that: 62% of Lanthier's written reviews are positive against 17% of MIR Spiro's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 28, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Lanthier | MIR Spiro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/lanthier/id701664895/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/mir-spiro/id947868756/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | **61.9% of reviews** | 16.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Subscription | **Free** |
| Size | 70 MB | 23 MB |
| Requires iOS | 16.0 | **12.4** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 17+ | 17+ |
| Developer | [Les Éditions Formed inc.](https://appshunter.io/developer/442932971) | [MIR Medical International Research](https://appshunter.io/developer/1010662698) |

## What reviewers say

### Lanthier

[App page](https://appshunter.io/ios/app/lanthier/id701664895)

Access up-to-date internal medicine information and guidelines quickly and efficiently. This app offers a fast search function, intuitive menus, and direct links to PubMed references. It's designed for physicians, residents, and medical students to use at the bedside.

**Highlights:** Concise bedside information, Advanced search function, Intuitive menus, Direct links to PubMed, Personal note-taking, Cross-device synchronization

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lanthier - current users | $19.49 | per year |
| Lanthier - new users | $19.49 | per year |


### MIR Spiro

[App page](https://appshunter.io/ios/app/mir-spiro/id947868756)

This iOS app enables real-time spirometry and oximetry testing on iPads for healthcare providers. It measures key lung function parameters and blood oxygen saturation, offering pediatric incentives and data transfer capabilities.

**Highlights:** Real-time spirometry testing, Real-time oximetry testing, Measures FVC, FEV1, PEF, %SpO2, Pulse Rate, Pediatric incentive feature, Data transfer for backup, HL7 standard support

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

**In-app purchases:** none


## Frequently asked questions

### Is Lanthier free?

Lanthier is free to download, with in-app purchases available.

### Is MIR Spiro free?

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

### Which has better reviews, Lanthier or MIR Spiro?

MIR Spiro is rated higher. Lanthier averages 3.8 out of 5 from 5 ratings, while MIR Spiro averages 4.5 from 2 ratings.

### Do Lanthier or MIR Spiro have ads?

Neither Lanthier nor MIR Spiro shows ads.

### Which is updated more often, Lanthier or MIR Spiro?

Lanthier ships an update every 2 months, and MIR Spiro every 2 months. Most recently, Lanthier was updated on September 28, 2026 and MIR Spiro on September 19, 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.*