# Lanthier vs INESSS

The clearest difference is review sentiment: Lanthier at 62% against INESSS's 0%. INESSS's advantage is in-app purchases (none vs 2) and update cadence (monthly 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. INESSS asks for nothing beyond the download.

Lanthier ships an update every 2 months, INESSS monthly. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Lanthier | INESSS |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Subscription | **Free** |
| Size | 70 MB | 337 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Les Éditions Formed inc.](https://appshunter.io/developer/442932971) | [INESSS](https://appshunter.io/developer/1206046868) |

## 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 |


### INESSS

[App page](https://appshunter.io/ios/app/inesss/id1206046869)

This application provides clinicians with optimal use guides and clinical support tools. It aims to promote clinical excellence and efficient resource use in healthcare and social services.

**Highlights:** Optimal use guides, Clinical support tools, Promotes clinical excellence, Efficient resource utilization, Recommendations for adoption and use

**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 INESSS free?

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

### Do Lanthier or INESSS have ads?

Neither Lanthier nor INESSS shows ads.

### Which is updated more often, Lanthier or INESSS?

Lanthier ships an update every 2 months, and INESSS monthly. Most recently, Lanthier was updated on September 10, 2026 and INESSS on September 22, 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.*