Comparison

Nimbus vs PolyAlerte

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Nimbus

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
Read full description

Introducing Nimbus - Your Ultimate Academic Companion! Unlock the full potential of your education with Nimbus, the innovative platform designed to seamlessly connect students with passionate tutors and mentors across North America and Singapore. Elevate your learning experience, anytime, anywhere. WHY CHOOSE NIMBUS? EXPERT TUTORS AT YOUR FINGERTIPS Connect with dedicated tutors and mentors for hundreds of courses and topics, each boasting stellar reviews - with ~95% of students rating lessons > 4.5/5 stars. Transform your academic journey with knowledgeable guides who are as passionate about your success as you are. BOOK LESSONS WITH EASE Experience ultimate flexibility by booking lessons on your terms. Whether you prefer in-person sessions or virtual learning through our advanced video conferencing feature, Nimbus ensures you can access help when you need it most. ENHANCE YOUR STUDENT EXPERIENCE Studies show that tutoring and mentorship significantly improve grades, well-being, and future career outcomes. Nimbus is not just a platform; it’s a transformative force dedicated to enhancing your overall student experience. SEAMLESS AND STREAMLINED Booking a lesson has never been more straightforward. Simply search for your course or topic, choose your location, select a top-notch tutor or mentor, and pick a time that suits you. Nimbus streamlines the process so you can focus on what matters most - your education. NIMBUS FOR TUTORS - EMPOWER YOUR TEACHING JOURNEY FLEXIBILITY AT YOUR FINGERTIPS Take control of your teaching experience by setting your preferred courses, availability, locations, and even the maximum number of students you’re comfortable teaching. Nimbus gives you the power to customize your teaching environment according to your preferences. BECOME A TUTOR/MENTOR TODAY Embark on a fulfilling teaching journey with Nimbus. If you’re a student at one of our partnered universities, seize the opportunity to become a tutor or mentor. Reach out to support@nimbuslearning.com, and we’ll guide you on your path to empowering fellow students. Transform your educational experience with Nimbus - Where Learning Meets Innovation!

About

PolyAlerte

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
Read full description

PolyAlerte is Polytechnique Montréal’s official safety app, and is the only app integrated into the campus’ safety and security systems. Polytechnique's Institutional Security has worked to develop a unique app that provides students, faculty, and staff with added safety on its campus. The app will send you important safety alerts and provide instant access to campus safety resources. PolyAlerte features include: - Emergency Contacts: Contact the right services in the event of an emergency, or to address a non-urgent concern. - Friend Walk: Send your location to a friend through email or SMS via your device. Once your friend accepts the Friend Walk request, you can set your destination. Your friend is able to track your location in real time, and can keep a virtual eye on you to make sure you make it safely to your destination. - Report Suspicious Activity: Multiple options are available to report a safety/security concern directly to Polytechnique Montréal Security. - Tools: Enhance your safety with the tools provided in this easy-to-use app. - Notification History: Find this app’s previous Push Notifications (emergency alerts) using dates and times. - Share your Physical Location: Send your location to a friend by sending them a map of your location. - I’m OK! : Send your location and a message indicating that "You’re OK" to a recipient of your choice. - Maps & Plans - Campus Map: Orient yourself on the Polytechnique Montréal campus. - Building Plans: Orient yourself in campus buildings - Emergency Procedures: Campus emergency documentation that can help prepare you for disasters or emergencies. This information can be accessed even when you’re not connected to Wi-Fi or cell phone data. - Safety Notifications: Receive instant notifications and instructions from Polytechnique Montréal Institutional Security when on-campus emergencies occur. Download the app today to ensure you’re prepared in the event of an emergency.

Screenshots

Nimbus4 screens
PolyAlerte4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Nimbus versus PolyAlerte: the parameters behind the verdict, then further details
ParameterNimbusPolyAlerte
PriceFreeFree
Rating4.0 (7 ratings) — better—
Positive reviews66.7% of reviews — better50.0% of reviews
Number of ratings7 — better—
Update frequencyEvery 2 months — betterEvery 39 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.6
Further details — not scored
Size27 MB29 MB
Age rating4+4+
DeveloperNimbus TutoringCorporation de l'Ecole Polytechnique de Montreal

Customer experience

Nimbus

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews12 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

PolyAlerte

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Nimbus

No in-app purchases

None

PolyAlerte

No in-app purchases

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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