memRush vs CalculatorZ
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Memory Training
- Challenge Mode
- Selection Mode
- Matching Mode
- Customizable Parameters
Read full descriptionHide 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;
CalculatorZ
Read full descriptionHide 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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
memRush ships an update fortnightly, CalculatorZ every 7 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.
| Parameter | memRush | CalculatorZ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly — better | Every 7 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 131 MB |
| Age rating | 4+ | 4+ |
| Developer | 红品 熊 | Mekouar Ilyas |
In-app purchases
memRush
No in-app purchases
CalculatorZ
No in-app purchases









