# Lanthier vs CHIR+

The clearest difference is in-app purchases: CHIR+ at none against Lanthier's 2. CHIR+ also leads on update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Lanthier ships an update every 2 months, CHIR+ weekly. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Lanthier | CHIR+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (5 ratings)](https://appshunter.io/ios/app/lanthier/id701664895/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 61.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Subscription | — |
| Size | 70 MB | 7 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Les Éditions Formed inc.](https://appshunter.io/developer/442932971) | [John Libbey Eurotext](https://appshunter.io/developer/503890972) |

## 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 |


### CHIR+

[App page](https://appshunter.io/ios/app/chir-plus/id6667116201)

**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 CHIR+ free?

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

### Do Lanthier or CHIR+ have ads?

Neither Lanthier nor CHIR+ shows ads.

### Which is updated more often, Lanthier or CHIR+?

Lanthier ships an update every 2 months, and CHIR+ weekly. Most recently, Lanthier was updated on September 28, 2026 and CHIR+ on September 30, 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.*