Comparison

CARÆ vs PrépaDigitale

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

Head to head
About

CARÆ

Features
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IMT Atlantique's Teaching, Learning and Resource Center (CARÆ) offers a variety of services from a mobile application: - Immediately reserve a working room in 2 clicks - Book a room later - Borrow his books in 2 seconds - Request a book from another library - Borrow teaching materials - Consult the opening hours and arrangements for each campus - Follow the news and events calendar - Request an appointment with a specialist - Suggest ideas for improvement Thanks to this application, you can use digital services of the school in a simplified manner while guaranteeing confidentiality. Only IMT Atlantique users will be able to authenticate with their usual identifiers and will be able to use 100% of the services. We are listening to your feedback for the next version of this application.

About

PrépaDigitale

Features
Read full description

PrépaDigitale, une application mobile destinée à tous les CPGEs pour accéder rapidement aux contenus à tout moment et en tout lieu, afin de les aider à préparer les concours communs.   PrépaDigitale propose plus de 1500 capsules vidéo, elles couvrent les deux années des trois filières scientifiques :  · MPSI/MP  · PCSI/PSI  · TSI  Et couvriront prochainement les autres filières économiques.  Notre équipe enrichit le contenu avec de nouvelles capsules vidéo, de nouvelles matières et de nouvelles fonctionnalités. Pourquoi Prépadigitale ?  · Un contenu conforme au programme Classes Préparatoires.  · Une accessibilité gratuite pour tous les étudiants CPGEs.  · Apprendre à votre rythme et enrichir vos connaissances de manière adaptative et autonome.  · Sauvegarder les vidéos sur l’application et les visionner plus tard.  N’hésitez pas à partager avec nous vos avis. Bon Apprentissage !

Screenshots

CARÆ4 screens
PrépaDigitale4 screens

Verdict

The call

The clearest difference is update cadence: PrépaDigitale at monthly against CARÆ's every 3 months. PrépaDigitale also leads on iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support 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

CARÆ ships an update every 3 months, PrépaDigitale monthly. The most recent releases landed on October 22, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 4 level
CARÆ versus PrépaDigitale: the parameters behind the verdict, then further details
ParameterCARÆPrépaDigitale
PriceFreeFree
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size14 MB25 MB
Age rating4+4+
DeveloperEcole des Mines de NantesUNIVERSITE MOHAMMED VI POLYTECHNIQUE

In-app purchases

None

CARÆ

No in-app purchases

None

PrépaDigitale

No in-app purchases

Questions

Is CARÆ free?
CARÆ is free to download, with no in-app purchases.
Is PrépaDigitale free?
PrépaDigitale is free to download, with no in-app purchases.
Do CARÆ or PrépaDigitale have ads?
Neither CARÆ nor PrépaDigitale shows ads.
Which is updated more often, CARÆ or PrépaDigitale?
CARÆ ships an update every 3 months, and PrépaDigitale monthly. Most recently, CARÆ was updated on October 22, 2026 and PrépaDigitale on October 10, 2026.

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