SDM 2019 vs Cabri Express
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SDM 2019
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L'application SDM 2019 permet la mise en place d'un concours d'énigmes au sein d'un établissement scolaire (école primaire ou collège), pour la semaine des mathématiques, du 11 au 15 mars 2019. - Les participants (élèves, parents, adultes de l'établissement) téléchargent l'application ; - le professeur référent de l'action indique la (ou les) adresse(s) mail à utiliser pour envoyer les réponses ; - chaque jour à partir du 11 mars, une nouvelle énigme est déverrouillée : chacune des 5 énigmes se décline selon trois niveaux de difficultés, permettant la participation d'un maximum d'individus. Les participants travaillent directement dans l'application, puis génèrent une image de la réponse à proposer, qu'il suffit ensuite d'envoyer à l'adresse mail indiquée auparavant. - le professeur référent comptabilise ensuite les réponses en fonction du niveau de difficulté et établit ainsi un classement. - Une épreuve finale peut être envisagée pour départager les ex-aequo ! Plus d'informations sur le site mathématique de l'académie de Dijon : http://mathematiques.ac-dijon.fr/spip.php?article246
Cabri Express
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Features of Cabri Express include a dynamic geometry environment, an agile calculator (scientific & graphic), a formula and equation editor. All wrapped in an intuitive app. With its friendly interface, Cabri Express allows students to visualize and manipulate abstract mathematical concepts in any topic: algebra, calculus, tables, functions, graphs, 2D & 3D geometry, transformation, statistics & trigonometry. The app is a laboratory in which they explore, model, and investigate without any limits. Cabri is free, it is the reference software for dynamic mathematics. It has been used for more than 25 years by millions and millions of teachers/students around the world.Good maths for students and power & ease for teachers, to teach math, not the software. With its friendly interface, Cabri Express allows students to visualize and manipulate abstract mathematical concepts in any topic: algebra, calculus, tables, functions, graphs, 2D & 3D geometry, transformation, statistics & trigonometry. The app is a laboratory in which they explore, model, and investigate without any limits. Cabri Express is free, it is the reference software for dynamic mathematics. It has been used for more than 25 years by millions and millions of teachers/students around the world. Good maths for students and power & ease for teachers, to teach math, not the software.
Screenshots
Verdict
The clearest difference is update cadence: SDM 2019 at fortnightly against Cabri Express's every 4 months. SDM 2019 also leads on iOS requirement (8.0 vs 14.0). Cabri Express's advantage is device support (3 vs 1). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SDM 2019 ships an update fortnightly, Cabri Express every 4 months. The most recent releases landed on October 8, 2026 and September 20, 2026 respectively.
| Parameter | SDM 2019 | Cabri Express |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 23 MB | 101 MB |
| Age rating | 4+ | 4+ |
| Developer | Christophe Auclair | Cabrilog SAS |
In-app purchases
SDM 2019
No in-app purchases
Cabri Express
No in-app purchases
Questions
Is SDM 2019 free?
Is Cabri Express free?
Do SDM 2019 or Cabri Express have ads?
Which is updated more often, SDM 2019 or Cabri Express?
Other comparisons
