Quant vs Variance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quant
Sharpen your mental math skills with this app that sends random questions throughout the day. It offers adjustable difficulty levels and provides feedback on approximate answers, helping you track your progress with detailed statistics.
- Random daily math questions
- Adjustable difficulty levels
- Approximate answer feedback
- Detailed performance statistics
- Targeted for academic/professional exams
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RANDOM NOTIFICATIONS This app will send you random questions between 10am and 10pm - always being prepared to do mental math is the best way to sharpen your skills. No other app keeps you this involved. ADJUSTABLE DIFFICULTY Take it step-by-step. When you start feeling comfortable with the easier questions, move on to the more difficult ones. APPROXIMATE ANSWERS In real life, you don’t always need the answer to the exact decimal place. That’s why this app will tell you when you’re close. STATISTICS We keep track of how often you answer correctly, closely, or incorrectly - so you can see measurable improvement. This app is perfect for future Wall Street traders, management consultants, perfect GRE/SAT/GMAT scorers, and anyone looking to expand their mental math capabilities. The Privacy Policy and Terms of Use can be read at https://quantmm.org/privacy-policy-terms-of-service
Variance
Sharpen your quantitative skills for interviews and problem-solving. Practice mental math, probability, and brainteasers with personalized routines and performance tracking. Explore career opportunities in finance.
- Probability and statistics practice
- Mental math and arithmetic drills
- Brainteasers and logic puzzles
- Personalized training routines
- Performance tracking and leaderboards
- Career discovery and market insights
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Prepare for quant interviews with focused practice in probability, mental math, sequences, and brainteasers. Variance brings quantitative training, performance comparisons, market reading, and career discovery into one app. Whether you're preparing for a trading or quant research interview, or sharpening your problem-solving skills, build a practice routine that fits your day. PRACTICE QUANTITATIVE SKILLS • Mental math and arithmetic • Probability and statistics • Expected value and conditional probability • Sequences and pattern recognition • Brainteasers and logic puzzles BUILD YOUR TRAINING ROUTINE Explore different practice modes and difficulty levels. Focus on specific topics, challenge your speed and accuracy, and review explanations in supported question modes. KNOW WHERE YOU STAND Track your performance and personal bests. Explore score distributions and percentile comparisons to understand how your results compare with other players. COMPETE AND STAY MOTIVATED Compare results on global leaderboards and work toward your next personal best. EXPLORE MARKETS AND CAREERS Read the market brief, browse finance firms, and discover quant internship and full-time opportunities through links to career resources and job boards. Built for students, aspiring traders, quant researchers, and anyone who enjoys quantitative problem-solving. Train with purpose. Prepare with Variance. Terms of Use: https://www.thequantprepapp.com/terms Privacy Policy: https://www.thequantprepapp.com/privacy
Screenshots
Verdict
The clearest difference is review sentiment: Variance at 100% against Quant's 50%. Variance also leads on rating (5.0 vs 3.9) and update cadence (every 2 weeks vs every 7 months). Quant's advantage is iOS requirement (10.0 vs 26.0). On price, ratings volume, 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
Both are free to download. Quant sells 1 in-app purchase, starting at $1.99 per month and Variance sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
Variance holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 7 and 8 respectively. Written reviews point the same way: 50% of Quant's written reviews are positive against 100% of Variance's.
Quant ships an update every 7 months, Variance every 2 weeks. The most recent releases landed on November 2, 2026 and November 13, 2026 respectively.
| Parameter | Quant | Variance |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 | 8 — better |
| Update frequency | Every 7 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 15 MB | 22 MB |
| Age rating | 4+ | 12+ |
| Developer | Nitesh Nath | Benjamin Kawano |
Customer experience
Quant
Variance
In-app purchases
Quant
- More Question Types7 Days trial$1.991 Month
Variance
- Variance Pro Monthly7 Days trial$9.991 Month
- Variance Pro 6-Month$49.996 Months






