# PolyAlerte vs Mon UdeM

The clearest difference is review sentiment: PolyAlerte at 50% against Mon UdeM's 0%. Mon UdeM's advantage is update cadence (every 4 months vs every 39 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

PolyAlerte ships an update every 39 months, Mon UdeM every 4 months. The most recent releases landed on June 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | PolyAlerte | 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 | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 29 MB | 44 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Corporation de l'Ecole Polytechnique de Montreal](https://appshunter.io/developer/1488647545) | [Université de Montréal](https://appshunter.io/developer/495788472) |

## What reviewers say

### PolyAlerte

[App page](https://appshunter.io/ios/app/polyalerte/id1488647546)

This official campus safety app provides students, faculty, and staff with essential safety alerts and direct access to security resources. Features include emergency contacts, location sharing for friends, reporting suspicious activity, and offline access to emergency procedures and campus maps.

**Highlights:** Emergency Contacts, Friend Walk location sharing, Report suspicious activity, Campus and building maps, Offline emergency procedures, Safety notifications

**Features:** macOS Compatibility

**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 PolyAlerte free?

PolyAlerte 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 PolyAlerte or Mon UdeM have ads?

Neither PolyAlerte nor Mon UdeM shows ads.

### Which is updated more often, PolyAlerte or Mon UdeM?

PolyAlerte ships an update every 39 months, and Mon UdeM every 4 months. Most recently, PolyAlerte was updated on June 25, 2026 and Mon UdeM 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.*