Zetamac problems vs Fermi+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Diverse math problem types
- Customizable number range
- Timed practice challenges
- Realistic quantitative simulations
- Instant feedback on answers
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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.
Fermi+
This app streamlines classroom management for educators and students. Teachers can create and distribute assignments, track progress with analytics, and communicate with students. Students can access assignments, submit work, and monitor their academic performance.
- Create and distribute assignments
- Track student progress with analytics
- Manage multiple classes
- Integrated student messaging
- Student assignment submission
- View upcoming due dates
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Fermi (WIP) revolutionizes classroom management for teachers and students. Designed for educators who value efficiency, Fermi streamlines your entire teaching workflow in one intuitive platform. For Teachers: • Create and distribute assignments with customizable due dates and grading rubrics • Track student progress with real-time grade analytics and performance insights • Manage multiple classes with organized dashboards • Communicate directly with students through integrated messaging • Schedule assignments for future release For Students: • Access all assignments in one organized dashboard • Submit work directly through the app • Track grades and academic progress • View upcoming due dates and class schedules • Connect with teachers for support
Screenshots
Verdict
The clearest difference is ads: Fermi+ at none against Zetamac problems's shown. Fermi+ also leads on update cadence (every 2 days vs every 2 months) and monetization model (free vs ad-supported). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Zetamac problems against 5.0 for Fermi+. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Zetamac problems ships an update every 2 months, Fermi+ every 2 days. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.
| Parameter | Zetamac problems | Fermi+ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 63 MB |
| Age rating | 4+ | 12+ |
| Developer | Chhaya Patel | Frank Cottone |
Customer experience
Zetamac problems
Fermi+
In-app purchases
Zetamac problems
No in-app purchases
Fermi+
No in-app purchases









