Variance: The Quant Prep App
Benjamin Kawano Education iPhoneiPadiPod touch
Variance: The Quant Prep App is a free Education app for iPhone and iPad by Benjamin Kawano. Rated 5.0/5 from 5 ratings. Requires iOS 26.0.
- Rating
- 5.0
- 5 ratings
- Price
- Free
- on the App Store
- Size
- 19 MB
- Age 12+
- Updated
- Oct 3
- 2026 · v1.3.7
Screenshots
About Variance: The Quant Prep App
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
Ratings & reviews
5.0
5 ratings
What’s new
Version 1.3.7 · Updated October 3, 2026
See where you stand. After every game, find out how your score compares with everyone on Variance — and track your Performance Index against all players from the Ranks tab. Smarter daily training. Pick a training goal and your Daily Protocol now adapts to it — prioritizing games you haven't tried, the ones you're weakest at, and an easy restart when you've been away. Plus fixes, including sequence scores that weren't syncing to leaderboards.
App privacy
The developer, Benjamin Kawano, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Financial Info: Payment Info
- Location: Coarse Location
- Contact Info: Email Address, Name
- User Content: Gameplay Content
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction
- Diagnostics: Performance Data, Other Diagnostic Data, Crash Data
- Contacts: Contacts
Used for: Analytics, App Functionality
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Probability Practice
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Variance: The Quant Prep App | 5.0 / 5 (5 ratings) | Free | October 3, 2026 | |
| QuantQwik | 4.6 / 5 (7) | Free | May 27, 2026 | Compare |
| QuantDojo | – | Free | Apr 14, 2026 | Compare |
| Sharpe: Finance Brain Trainer | 5.0 / 5 (14) | Free | Jun 10, 2026 | Compare |
| Trading Interview Math Trainer | – | Free | May 17, 2026 | Compare |
| lemma: Comp Math Trainer | 5.0 / 5 (1) | Free | Jun 3, 2026 | Compare |
| Probability Practice | – | Free | Mar 11, 2026 | Compare |