Comparison

Zetamac problems vs MentalMultiply

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

Head to head
About

Zetamac problems

Sharpen your math skills with daily practice problems. This app offers diverse problem types, customizable difficulty, and timed challenges to prepare for exams and interviews. Get instant feedback to improve your accuracy and speed.

Highlights
  • Diverse math problem types
  • Customizable number range
  • Timed practice challenges
  • Realistic quantitative simulations
  • Instant feedback on answers
Features
Read full description

Zetamac is the ultimate math practice tool designed to help you sharpen your mathematical skills and prepare for competitive exams, interviews, and personal growth. Whether you're preparing for quant interviews, standardized tests, or simply looking to enhance your mental math abilities, Zetamac offers a fun and engaging way to practice a wide variety of math problems. With its user-friendly interface and customizable settings, this app is perfect for users of all ages and skill levels. Key Features: Diverse Math Problem Types: Zetamac includes multiple problem types such as addition, subtraction, multiplication, and division, offering a well-rounded mathematical experience. Each problem type is carefully designed to help you master different aspects of math and improve your problem-solving abilities. Customizable Number Range: Customize the difficulty level of the problems by adjusting the number range. Whether you’re looking for simple arithmetic or complex calculations, you can tailor the app to your skill level. This makes Zetamac ideal for anyone from beginners to advanced users. Timed Practice: Compete against the clock and improve your speed and accuracy. Zetamac’s countdown timer allows you to practice under pressure, mimicking the time-sensitive nature of real-life math challenges like those encountered in quant interviews. Realistic Quantitative Problem Simulations: Zetamac's math problems closely resemble the types of questions you might encounter in quant interviews, where the ability to quickly and accurately perform calculations is essential. The app's division problems, for example, simulate reverse multiplication, teaching you how to quickly identify relationships between numbers—a crucial skill for many finance and consulting roles. Instant Feedback: After answering each problem, Zetamac provides instant feedback to let you know whether your answer is correct or incorrect. This immediate reinforcement allows you to learn from your mistakes and ensures you're continually improving your skills.

About

MentalMultiply

Features
Read full description

Mental Multiply teaches you how to multiply faster using the Trachtenberg System and powerful pattern-based mental-math techniques. Designed for students, adults, teachers, and mental-math enthusiasts, Mental Multiply turns multiplication into a practical skill you can understand, practice, and improve. Create personalized exercises based on your level and choose whether to solve the complete calculation process or focus only on the final answer. Learn Faster Multiplication Methods • Practice the Trachtenberg multiplication rules • Discover shortcuts for numbers close to 10, 20, 100, and 200 • Learn the “same tens, units add to 10” pattern • Follow clear, step-by-step explanations • Recognize useful number patterns and solve problems more efficiently Personalized Practice • Practice individual multiplication tables or combine several multipliers • Choose the number of digits in each exercise • Adjust the difficulty from beginner to advanced • Practice complete guided calculations or final answers only • Receive immediate feedback as you work Choose Your Calculation Direction Practice using: • The familiar left-to-right answer-entry direction • The Trachtenberg right-to-left working method This helps you learn the method in the way that feels most natural to you. Built for Continuous Improvement • Clean, distraction-free design • Structured practice sessions • Progress tracking and performance insights • Exercises for different experience levels • Support for multiple languages Mental Multiply is ideal for: • Students developing stronger multiplication skills • Adults who want to sharpen their mental arithmetic • Teachers demonstrating alternative calculation methods • Mental-math enthusiasts • Anyone preparing for mathematics or aptitude challenges Move beyond memorization. Learn the rules, recognize the patterns, and build the confidence to calculate faster in your head. Download Mental Multiply and start training your brain today. Some features may require an in-app purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Zetamac problems3 screens
MentalMultiply4 screens

Verdict

The call

The clearest difference is in-app purchases: Zetamac problems at none against MentalMultiply's 2. MentalMultiply's advantage is ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price, device support and iOS requirement 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. MentalMultiply sells 2 in-app purchases, starting at $4.99 per year. Zetamac problems asks for nothing beyond the download.

UpkeepUpdate frequency

Zetamac problems ships an update every 2 months, MentalMultiply fortnightly. The most recent releases landed on September 29, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 6 level
Zetamac problems versus MentalMultiply: the parameters behind the verdict, then further details
ParameterZetamac problemsMentalMultiply
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size4 MB6 MB
Age rating4+4+
DeveloperChhaya PatelOren Frenkel

In-app purchases

None

Zetamac problems

No in-app purchases

2 purchases

MentalMultiply

Subscriptions1
  • Annual Premium$4.991 Year
One-time1
  • Lifetime Premium$14.99

Questions

Is Zetamac problems free?
Zetamac problems is free to download, with no in-app purchases.
Is MentalMultiply free?
MentalMultiply is free to download, with in-app purchases available.
Do Zetamac problems or MentalMultiply have ads?
Zetamac problems shows ads; MentalMultiply does not.
Which is updated more often, Zetamac problems or MentalMultiply?
Zetamac problems ships an update every 2 months, and MentalMultiply fortnightly. Most recently, Zetamac problems was updated on September 29, 2026 and MentalMultiply on September 21, 2026.

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