Comparison

memRush vs CalculatorZ

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

Head to head
About

memRush

Enhance your cognitive abilities with daily memory exercises. This game offers various modes to challenge your recall and learning speed, suitable for all ages to build a stronger foundation for success.

Highlights
  • Memory Training
  • Challenge Mode
  • Selection Mode
  • Matching Mode
  • Customizable Parameters
Features
Read full description

The richest man in the world, Bill. Gates said: "The key to success in the 21st century is the ability to learn, and the learning method and speed determine whether you win or lose", and the key to learning is memory, so memory is very important. Whether you are a child or an adult, it is necessary to exercise your memory every day, constantly improve your learning ability, and lay a solid foundation for your future success! Memory Training & Challenge Mode: 【Selection Mode】Select the correct number from multiple numbers within the specified time; 【Matching Mode】Select the same number from the even number until the selection is finished; 【Custom mode】Define the number of numbers, timeout time, memory time and other parameters;

About

CalculatorZ

Features
Read full description

CALCULATORZ: A MATH PUZZLE WITH A TWIST Can you reach the target number using a calculator with limited buttons? CalculatorZ turns everyday arithmetic into a fun number puzzle where every choice matters. Each round presents a target number. Use the available digits and mathematical operations to build a calculation that matches it. Reach the target to earn points and keep challenging yourself. THE CHALLENGE - Reach the target number using the calculator keypad. - Choose between different difficulty levels. - Adapt when some number or operation keys are disabled. - Earn points for correct solutions. - Check the Top Scores screen and try to beat your best result. EASY TO LEARN, TRICKY TO MASTER At first, the answer might seem obvious. But what if the number you need is unavailable? What if the operation you planned to use is locked? Find another route to the same target and put your mental arithmetic to the test. A FRESH TAKE ON NUMBER PUZZLES CalculatorZ combines familiar calculator controls with mathematical problem-solving. Instead of simply answering a question, you have to work out which available numbers and operations will get you to the right result. DIFFERENT LEVELS, NEW CHALLENGES Choose your difficulty and put your calculation skills to the test. With fewer available keys, even a simple target can become a tricky puzzle. CHALLENGE YOUR BEST SCORE Every successful calculation counts. Keep solving, build your score, and use the Top Scores screen to see how far you've progressed. WHO IS CALCULATORZ FOR? Whether you enjoy math games, number puzzles, logic challenges, or quick brain-training sessions, CalculatorZ offers a playful way to work with numbers. HOW TO PLAY 1. Look at the target number. 2. Check which digits and operators are available. 3. Build a mathematical expression using the calculator. 4. Match the target to score points. 5. Keep going and try to beat your previous result. Think of a solution. Tap the keys. Hit the target. How high can you score? Play CalculatorZ and take on your next math challenge!

Screenshots

memRush4 screens
CalculatorZ4 screens

Verdict

The call

The clearest difference is ads: memRush at none against CalculatorZ's shown. memRush also leads on update cadence (fortnightly vs every 7 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

memRush ships an update fortnightly, CalculatorZ every 7 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
memRush versus CalculatorZ: the parameters behind the verdict, then further details
ParametermemRushCalculatorZ
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyFortnightly — betterEvery 7 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size10 MB131 MB
Age rating4+4+
Developer红品 熊Mekouar Ilyas

In-app purchases

None

memRush

No in-app purchases

None

CalculatorZ

No in-app purchases

Questions

Is memRush free?
memRush is free to download, with no in-app purchases.
Is CalculatorZ free?
CalculatorZ is free to download, with no in-app purchases.
Do memRush or CalculatorZ have ads?
CalculatorZ shows ads; memRush does not.
Which is updated more often, memRush or CalculatorZ?
memRush ships an update fortnightly, and CalculatorZ every 7 months. Most recently, memRush was updated on October 20, 2026 and CalculatorZ on October 24, 2026.

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