# Pathogen Safety Data Sheets vs Mon UdeM

Pathogen Safety Data Sheets and Mon UdeM are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pathogen Safety Data Sheets ships an update every 2 months, Mon UdeM every 4 months. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Pathogen Safety Data Sheets | Mon UdeM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/mon-udem/id1504949306/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | — | Free |
| Size | 39 MB | 44 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Health Canada](https://appshunter.io/developer/408663392) | [Université de Montréal](https://appshunter.io/developer/495788472) |

## What reviewers say

### Pathogen Safety Data Sheets

[App page](https://appshunter.io/ios/app/pathogen-safety-data-sheets/id977376698)

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

**In-app purchases:** none


### Mon UdeM

[App page](https://appshunter.io/ios/app/mon-udem/id1504949306)

This app centralizes personalized communications and information for students and employees. It provides quick access to essential messages, course details, emails, campus maps, and a customizable notification system to simplify daily life.

**Highlights:** Personalized calendar, StudiUM course access, Email summary, Relevant announcements, Interactive campus map, Customizable notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is Pathogen Safety Data Sheets free?

Pathogen Safety Data Sheets is free to download, with no in-app purchases.

### Is Mon UdeM free?

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

### Do Pathogen Safety Data Sheets or Mon UdeM have ads?

Neither Pathogen Safety Data Sheets nor Mon UdeM shows ads.

### Which is updated more often, Pathogen Safety Data Sheets or Mon UdeM?

Pathogen Safety Data Sheets ships an update every 2 months, and Mon UdeM every 4 months. Most recently, Pathogen Safety Data Sheets was updated on October 9, 2026 and Mon UdeM on October 11, 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.*