Comparison

Plus 1 vs Calcul Mental Challenge

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

Head to head
About

Plus 1

Features
Read full description

Comptabilisez n'importe quel évènement pour chaque élève de votre classe. Par exemple, encouragez-les et responsabilisez-les en leurs distribuant des points positifs (ou négatifs) : participation, entraide, soins, travail achevé, bavardage… PLUS1 est une application ouverte, vous en faites ce que vous voulez. Les compteurs à votre disposition ne sont pas prévus pour un évènement en particulier, mais pour ce que vous en ferez. Simple et rapide à utiliser : - cliquez sur le compteur choisi ; - cliquez sur les logos ou photos des élèves. Les compteurs sont automatiquement incrémentés d’un point. 12 compteurs sont à votre disposition : - titres personnalisables - coefficients multiplicateurs (positifs ou négatifs) : x1, x2, x3... Exportez les résultats des compteurs : - CLASSEMENT : affichage du total de point de chaque élève - EXPORT : en CSV sous forme de tableau détaillé

About

Calcul Mental Challenge

Features
Read full description

Calcul Mental Challenge turns mental math into a true educational video game, from elementary school to high school! 10 GAME MODES Classic Game: 20 questions adapted to your level with 6 styles (Normal, Expert, Time Attack, 3 Lives, Endurance, Exam) Times Tables Training: practice addition, multiplication, or division tables (1 to 15) Word Problems: contextualized exercises inspired by school textbooks Story Mode: explore 6 worlds (Forest, Volcano, Ocean, Desert, Space, Abyss), 48 stages, and 6 bosses Cross Numbers: a math puzzle mode inspired by crosswords Number Sequences: find the missing number in the sequence Equations: solve systems with 2 unknowns Chained Calculation: follow a chain of operations Time Attack: increasingly difficult questions, no mistakes allowed Challenge Friends: play the same questions as a friend and compare your scores MULTIPLAYER & LEADERBOARDS 1v1 duel against a random opponent Battle Royale with up to 20 players Permanent public rooms available 24/7 Private room with your friends Global rankings (All Time, This Week, Today) School War: your school competes against others. TEACHER MODE Create a session in 30 seconds: choose the class, level, and game mode. Students receive the same questions in real time. Live ranking, CSV and PDF export. Data stays exclusively on the school’s local network.

Screenshots

Plus 13 screens
Calcul Mental Challenge4 screens

Verdict

The call

The clearest difference is price: Calcul Mental Challenge at Free against Plus 1's $2.99. Calcul Mental Challenge also leads on update cadence (every 4 days vs every 6 months). On ads, in-app purchases, device support and iOS requirement 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

Calcul Mental Challenge is free to download; Plus 1 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Plus 1 ships an update every 6 months, Calcul Mental Challenge every 4 days. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.

Scorecard2 real differences · 4 level
Plus 1 versus Calcul Mental Challenge: the parameters behind the verdict, then further details
ParameterPlus 1Calcul Mental Challenge
Price$2.99Free — better
Update frequencyEvery 6 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.6
Further details — not scored
Size6 MB196 MB
Age rating4+4+
DeveloperCROMBEZ EmmanuelLaurent BOST

In-app purchases

None

Plus 1

No in-app purchases

None

Calcul Mental Challenge

No in-app purchases

Questions

Is Plus 1 free?
Plus 1 costs $2.99, with no in-app purchases.
Is Calcul Mental Challenge free?
Calcul Mental Challenge is free to download, with no in-app purchases.
Do Plus 1 or Calcul Mental Challenge have ads?
Neither Plus 1 nor Calcul Mental Challenge shows ads.
Which is updated more often, Plus 1 or Calcul Mental Challenge?
Plus 1 ships an update every 6 months, and Calcul Mental Challenge every 4 days. Most recently, Plus 1 was updated on September 17, 2026 and Calcul Mental Challenge on September 14, 2026.

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