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
Prepare for quantitative finance interviews with this app. Practice probability, mental math, logic puzzles, and more with detailed solutions and progress tracking. Sharpen your mathematical intuition and problem-solving skills for trading and research roles.
- Probability practice
- Mental math exercises
- Logic puzzles
- Detailed solutions
- Progress tracking
- Topic-specific practice
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Variance is the ultimate quant interview prep app for aspiring traders, quant researchers, and finance professionals. Whether you're targeting a role at a hedge fund, trading firm, or just prepping for fun, Variance gives you the tools to practice the quantitative skills that top firms test — rigorously and on the go. WHAT YOU'LL PRACTICE • Probability • Mental math • Sequences & Patterns • Brainteasers & logic puzzles • Expected value FEATURES • Hundreds of problems across multiple difficulty levels • Detailed solutions and explanations for every question • Topic-by-topic practice to target your weak spots • Progress tracking to see how you improve over time • Clean, distraction-free interface built for focused study WHO IT'S FOR Variance is built for students and professionals preparing for quantitative interviews at top firms, and other top quant shops. It's also great for anyone who wants to sharpen their mathematical intuition and problem-solving speed. Prepare smarter. Interview with confidence. Download Variance today. Terms of Use: www.thequantprepapp.com/terms Privacy Policy: 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 $24.99 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 5 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 September 23, 2026 and September 30, 2026 respectively.
| Parameter | Quant | Variance |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 — better | 5 |
| 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 | 18 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 Monthly$24.991 Month
- Variance Pro Yearly$99.991 Year






