Comparison

Fraction Challenge vs Calcul Mental in Space

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

Head to head
About

Fraction Challenge

Engage in fun math games designed to teach and reinforce fraction operations. Practice addition, subtraction, multiplication, and division of fractions through interactive challenges. Compete with friends in multiplayer mode to boost mental calculation skills.

Highlights
  • Fraction representation
  • Addition and subtraction of fractions
  • Equivalent fractions
  • Fraction reduction
  • Multiplication and division of fractions
  • Multiplayer mode
Features
Read full description

Learn to do operations with fractions with this fun app. Here you will find a lot of educational games of mental calculation to learn and reinforce mathematical concepts, such as the representation of fractions, addition and subtraction with the same and different denominator, multiplication and division of fractions, equivalent fractions and reduction of fractional numbers. ENJOY THE MULTIPLAYER MODE! With this educational game you can play alone or in company, as it features a multiplayer mode. Challenge your classmate and become the fastest one in arithmetics, solving the different mathematical activities. BECOME THE KING OR QUEEN OF ARITHMETICS AND MENTAL CALCULATION! With just a few minutes a day you can improve your math level and beat your own records. THE IMPORTANCE OF FRACTIONS IN OUR DAILY ROUTINE Fractions are not only used as a concept in the subject of mathematics for children; they are necessary in order to perform various actions of daily life. For example: when buying food, it is normal to go to the supermarket and order ½ kilogram of apples. Measuring ingredients in the kitchen, buying fabrics or many other everyday things are solved with fractional numbers. EDUCATIONAL GOALS - Representation of fractions. - Addition and subtraction of fractions with a common denominator. - Equivalent fractions. - Fraction reduction. - Multiplying and dividing fractional numbers COMPANY: Didactoons Games SL Recommended age: For primary and secondary school children, 7 to 16 years old. Theme: Multiplayer game to learn arithmetic and mental calculation. CONTACT We want to know your opinion! Please share with your questions, technical problems, suggestions and everything you want with us. Write to us via our contact form: https://www.didactoons.com/contact/

About

Calcul Mental in Space

Practice mental math with a fun, space-themed game. Improve your calculation speed, reflexes, and math skills through engaging challenges. Master addition, subtraction, multiplication, and division with increasing difficulty levels.

Highlights
  • Mental math practice
  • Speed and reflex training
  • Addition, subtraction, multiplication, division
  • Times and division tables review
  • Progressive difficulty levels
  • Achievement encouragement
Features
Read full description

You will calculate very quickly and increase your reflexes. The game has levels from easy to difficult for you to choose. All the math problems are included for you: Addition Subtraction Multiplication Division Moreover, the game also helps you review quickly: Times tables Division tables Especially, the game always encourages your achievements. You will not have to try to memorize boring math problems. Instead, you will naturally memorize multiplication and division. Your job is just to choose 1 of 4 answers. It will be very easy to play but really hard to achieve a high score. You will feel truly challenged. If you want a high score, you must truly memorize times tables, division tables, addition and subtraction problems, and have good reflexes and calmness. The game can be addictive, you will always want to achieve a high score and break your own record. The result is that you will improve your math skills every day. Increase your reflexes, be calmer, and handle problems better. That is good for your development. The game is completely free and there is no barrier to stop you from quick mental math. I decided to bring this mental math game to more people, hoping to help more of you. Help you no longer be afraid of mental math and love math more. You will play with math problems instead of struggling with them. Terms of Service at https://sites.google.com/view/math-terms-of-service-terms/ Privacy Policy at https://sites.google.com/view/5m-workout-privacy/ Graphics used in this app are designed by Freepik (https://www.freepik.com)

Screenshots

Fraction Challenge4 screens
Calcul Mental in Space4 screens

Verdict

The call

The clearest difference is ads: Fraction Challenge at none against Calcul Mental in Space's shown. Fraction Challenge also leads on iOS requirement (13.0 vs 15.0). Calcul Mental in Space's advantage is update cadence (every 6 days vs every 2 months) and review sentiment (79% vs 70%). On price, rating, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fraction Challenge sells 1 one-off in-app purchase and Calcul Mental in Space sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Fraction Challenge against 4.4 for Calcul Mental in Space. Both are backed by a comparable volume of ratings — 1.5K and 576 respectively. Written reviews are what separate them: 70% of Fraction Challenge's written reviews are positive against 79% of Calcul Mental in Space's.

UpkeepUpdate frequency

Fraction Challenge ships an update every 2 months, Calcul Mental in Space every 6 days. Both last shipped on November 7, 2026.

Scorecard4 real differences · 6 level
Fraction Challenge versus Calcul Mental in Space: the parameters behind the verdict, then further details
ParameterFraction ChallengeCalcul Mental in Space
PriceFreeFree
Rating4.5 (1.5K ratings) — better4.4 (576 ratings)
Positive reviews70.1% of reviews78.9% of reviews — better
Number of ratings1.5K — better576
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size89 MB134 MB
Age rating4+12+
DeveloperDidactoons Games SLHuy Le

Customer experience

Fraction Challenge

All ratings1,491 ratings
Positive88.1%
Neutral4.7%
Negative7.2%
Written reviews67 reviews
Positive70.1%
Neutral6.0%
Negative23.9%

Calcul Mental in Space

All ratings576 ratings
Positive83.5%
Neutral6.9%
Negative9.5%
Written reviews19 reviews
Positive78.9%
Neutral0.0%
Negative21.1%

Bugs and requests

Fraction Challenge

Reported bugs

2 issues
  • App crashes on launch
  • Login issues

Requested features

3 requests
  • Option to remove timer or increase time
  • More game modes (e.g., divided fractions, add/subtract fractions, multiply)
  • No battery required to play

Calcul Mental in Space

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Fraction Challenge

One-time1
  • Get the Full version$1.99
1 purchases

Calcul Mental in Space

One-time1
  • Upgrade to Premium$2.99

Questions

Is Fraction Challenge free?
Fraction Challenge is free to download, with in-app purchases available.
Is Calcul Mental in Space free?
Calcul Mental in Space is free to download, with in-app purchases available.
Which has better reviews, Fraction Challenge or Calcul Mental in Space?
Fraction Challenge is rated higher. Fraction Challenge averages 4.5 out of 5 from 1.5K ratings, while Calcul Mental in Space averages 4.4 from 576 ratings.
Do Fraction Challenge or Calcul Mental in Space have ads?
Calcul Mental in Space shows ads; Fraction Challenge does not.
Which is updated more often, Fraction Challenge or Calcul Mental in Space?
Fraction Challenge ships an update every 2 months, and Calcul Mental in Space every 6 days. Most recently, Fraction Challenge was updated on November 7, 2026 and Calcul Mental in Space on November 7, 2026.

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