# Nimbus vs PolyAlerte

The clearest difference is update cadence: Nimbus at every 2 months against PolyAlerte's every 39 months. Nimbus also leads on review sentiment (67% vs 50%) and iOS requirement (12.0 vs 15.6). 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.

Nimbus ships an update every 2 months, PolyAlerte every 39 months. The most recent releases landed on September 10, 2026 and June 25, 2026 respectively.

## The numbers

| Metric | Nimbus | PolyAlerte |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (7 ratings)](https://appshunter.io/ios/app/nimbus/id1435620212/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 39 months |
| Monetization | Free | Free |
| Size | 27 MB | 29 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nimbus Tutoring](https://appshunter.io/developer/1435620211) | [Corporation de l'Ecole Polytechnique de Montreal](https://appshunter.io/developer/1488647545) |

## What reviewers say

### Nimbus

[App page](https://appshunter.io/ios/app/nimbus/id1435620212)

Connect with expert tutors and mentors for hundreds of courses. Book in-person or virtual lessons easily and enhance your academic journey. This platform is designed to improve grades, well-being, and future career outcomes.

**Highlights:** Connect with expert tutors, Book in-person or virtual lessons, Hundreds of courses and topics, Tutor reviews and ratings, Flexible scheduling, Enhance student experience

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Nimbus free?

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

### Is PolyAlerte free?

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

### Do Nimbus or PolyAlerte have ads?

Neither Nimbus nor PolyAlerte shows ads.

### Which is updated more often, Nimbus or PolyAlerte?

Nimbus ships an update every 2 months, and PolyAlerte every 39 months. Most recently, Nimbus was updated on September 10, 2026 and PolyAlerte on June 25, 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.*