Comparison

FocusMath vs Calcul Mental Challenge

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

Head to head
About

FocusMath

Features
Read full description

Your brain is a muscle. FocusMath is its gym. 7 minutes a day. A session structured like a real workout: warm-up, main set, cool-down. No more, no less. Consistency is what makes you strong β€” not marathons. YOUR DAILY SESSION Every day, a 3-step session awaits: warm up with quick questions, push yourself on the daily challenge or your quest, and finish with a review card. Complete your session, keep your streak alive, and hit your goal of 5 sessions a week. A PROGRAM AT YOUR LEVEL β€” FROM 1ST GRADE TO UNIVERSITY A placement test personalizes your program from day one. Kids work on additions and multiplication tables; middle schoolers tackle percentages; high schoolers and adults take on powers, square roots and estimation. Difficulty adapts to your performance in real time. DAILY CHALLENGE 10 questions, identical for every player at your level. Compare yourself on the leaderboard, share your result, and challenge your friends on the same questions in one tap. QUEST MODE 200 levels of progression. Each level unlocks new cognitive games: memory, attention, speed. Your motivation always has a next goal. SMART REVIEW The app remembers your mistakes and turns them into personalized review cards. Your mistakes are your best teachers. FOR PARENTS Create a profile for each child, track their progress in detail (strengths, weak points, consistency), and let the session system build a routine β€” like a sports activity, but for the brain. FEATURES β€’ Guided daily session of ~7 minutes β€’ Placement test + real-time adaptive difficulty β€’ From 1st grade to university: everyone gets their own program β€’ Multiplayer challenges with friends and family β€’ Daily streak with streak freezes β€’ A mental math tip every day β€’ Detailed statistics and progress tracking β€’ iOS widget to keep your streak in sight β€’ Available in English, French, German and Spanish β€’ Works offline Download FocusMath and do your first session today. Your brain will thank you. FOCUSMATH PREMIUM SUBSCRIPTION FocusMath offers auto-renewable subscriptions (monthly, yearly with a 7-day free trial) and a one-time lifetime purchase. Payment is charged to your Apple account at purchase confirmation. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel your subscription anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://github.com/hervekhg/HK-TECH-APP/blob/main/FocusMath/privacy-en.md

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

FocusMath4 screens
Calcul Mental Challenge4 screens

Verdict

The call

The clearest difference is in-app purchases: Calcul Mental Challenge at none against FocusMath's 4. On price, update cadence, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. FocusMath sells 4 in-app purchases, starting at $2.99 per 7 days. Calcul Mental Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

Scorecard1 real difference Β· 5 level
FocusMath versus Calcul Mental Challenge: the parameters behind the verdict, then further details
ParameterFocusMathCalcul Mental Challenge
PriceFreeFree
Update frequencyEvery 4 daysEvery 4 days
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS16.015.6 β€” better
Further details β€” not scored
Size37 MB196 MB
Age rating4+4+
DeveloperHK-TECHLaurent BOST

In-app purchases

4 purchases

FocusMath

Subscriptions3
  • Weekly Premium$2.997 Days
  • Monthly Premium$7.991 Month
  • Annual Premium7 Days trial$24.991 Year
One-time1
  • Lifetime Premium$59.99
None

Calcul Mental Challenge

No in-app purchases

Questions

Is FocusMath free?
FocusMath is free to download, with in-app purchases available.
Is Calcul Mental Challenge free?
Calcul Mental Challenge is free to download, with no in-app purchases.
Do FocusMath or Calcul Mental Challenge have ads?
Neither FocusMath nor Calcul Mental Challenge shows ads.
Which is updated more often, FocusMath or Calcul Mental Challenge?
FocusMath ships an update every 4 days, and Calcul Mental Challenge every 4 days. Most recently, FocusMath was updated on October 14, 2026 and Calcul Mental Challenge on October 2, 2026.

Other comparisons