Comparison

Math Solving Game NumberDrop 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

Math Solving Game NumberDrop

This game challenges your arithmetic and logic skills by dropping numbers to solve math puzzles. Progress through hundreds of levels with increasing difficulty, or generate infinite puzzles in random mode. Enjoy offline play and compete on leaderboards.

Highlights
  • Hundreds of math puzzles
  • Arithmetic and logic training
  • Offline play
  • Weekly fresh puzzles
  • Random puzzle generation
  • Leaderboards
Features
Read full description

NumberDrop is a uniquely challenging math puzzle game that trains your arithmetic and logic. You have to use your math skills and drop the numbers in the right order to complete a puzzle! Features: • Add, subtract, multiply and divide your way through hundreds of captivating levels. • The levels steadily increase in difficulty to train your brain. • Fresh puzzles delivered to your phone every week! • Play our game anywhere, any time with offline play and no time limits. • Leaderboards show off your arithmetic skills. • Generate infinite puzzles in random mode. • Share any puzzle with friends to share the challenge! How to play: • Select +, -, × or ÷ and swipe between two numbers to combine them. • The bottom row values must match the target values with nothing left over. • Sometimes you will get stuck. You can restart, undo or use a hint. Share your favorite puzzles with us and if we feature it as puzzle of the week, we will reward you with in-game items! https://www.facebook.com/NumberDrop/ https://www.twitter.com/NumberDropApp info@rosenburgergames.com

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

Math Solving Game NumberDrop4 screens
Calcul Mental in Space4 screens

Verdict

The call

The clearest difference is update cadence: Calcul Mental in Space at every 6 days against Math Solving Game NumberDrop's monthly. Calcul Mental in Space also leads on ratings volume (573 vs 98). Math Solving Game NumberDrop's advantage is rating (4.7 vs 4.4) and iOS requirement (11.0 vs 13.0). On price, review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Math Solving Game NumberDrop sells 4 one-off in-app purchases 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

Math Solving Game NumberDrop holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Calcul Mental in Space has 573 ratings behind it against 98, so its average is the more settled of the two. Written reviews complicate that: 77% of Math Solving Game NumberDrop's written reviews are positive against 79% of Calcul Mental in Space's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Math Solving Game NumberDrop ships an update monthly, Calcul Mental in Space every 6 days. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
Math Solving Game NumberDrop versus Calcul Mental in Space: the parameters behind the verdict, then further details
ParameterMath Solving Game NumberDropCalcul Mental in Space
PriceFreeFree
Rating4.7 (98 ratings) — better4.4 (573 ratings)
Positive reviews76.9% of reviews78.9% of reviews — better
Number of ratings98573 — better
Update frequencyMonthlyEvery 6 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better13.0
Further details — not scored
Size20 MB134 MB
Age rating4+12+
DeveloperBen Does Apps LtdHuy Le

Customer experience

Math Solving Game NumberDrop

All ratings98 ratings
Positive93.9%
Neutral4.1%
Negative2.0%
Written reviews13 reviews
Positive76.9%
Neutral15.4%
Negative7.7%

Calcul Mental in Space

All ratings573 ratings
Positive83.4%
Neutral6.8%
Negative9.8%
Written reviews19 reviews
Positive78.9%
Neutral0.0%
Negative21.1%

In-app purchases

4 purchases

Math Solving Game NumberDrop

One-time4
  • 5 Hints + 5 Undos$0.99
  • Remove Ads$1.99
  • 20 Hints + 20 Undos$2.99
Show 1 more
  • 100 Hints + 100 Undos$9.99
1 purchases

Calcul Mental in Space

One-time1
  • Upgrade to Premium$2.99

Questions

Is Math Solving Game NumberDrop free?
Math Solving Game NumberDrop 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, Math Solving Game NumberDrop or Calcul Mental in Space?
Math Solving Game NumberDrop is rated higher. Math Solving Game NumberDrop averages 4.7 out of 5 from 98 ratings, while Calcul Mental in Space averages 4.4 from 573 ratings.
Do Math Solving Game NumberDrop or Calcul Mental in Space have ads?
Both Math Solving Game NumberDrop and Calcul Mental in Space show ads.
Which is updated more often, Math Solving Game NumberDrop or Calcul Mental in Space?
Math Solving Game NumberDrop ships an update monthly, and Calcul Mental in Space every 6 days. Most recently, Math Solving Game NumberDrop was updated on September 22, 2026 and Calcul Mental in Space on September 23, 2026.

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