--- title: "Variance: The Quant Prep App - Reviews, Revenue and Downloads in United States | Apple App Store" description: "Prepare for quant interviews with focused practice in probability, mental math, sequences, and brainteasers. Variance brings quantitative training, performance comparisons, market reading, and career" --- # Variance: The Quant Prep App — United States > Math, Brain Games, Probability ![Variance App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/12/1c/ea/121cea06-e359-df8b-7e7b-e620889887ab/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png) **Developer:** [Benjamin Kawano](https://apptail.io/developer/benjamin-kawano-JkPasc) **Category:** Education **Rating:** 5.0/5 (6 ratings) **Price:** Free **Bundle ID:** com.thequantprepapp.variance **Store:** Apple App Store **Country:** United States **Version:** 1.3.9 (released 2026-10-27) **Original Release:** 2026-06-29 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6760629839) **AppTail Page:** [https://apptail.io/app/variance-the-quant-prep-app-GCKA/united-states](https://apptail.io/app/variance-the-quant-prep-app-GCKA/united-states) ## Variance Description 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: Privacy Policy: ## Variance Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/de/e9/eb/dee9ebc5-1c45-7d34-dc0a-f26e43bf3715/01-train-like-a-quant.png/1320x2868.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e1/bf/90/e1bf90d6-dd2c-e258-2c59-dac75d8733d2/02-crack-the-pattern.png/1320x2868.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/93/71/10/937110bc-68b3-f0ac-318f-eec4925f40cb/03-know-where-you-stand.png/1320x2868.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/eb/eb/48/ebeb481e-85c0-ee91-5c24-87209c6d9e9d/04-take-on-the-world.png/1320x2868.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c1/11/5d/c1115da9-7fc4-15ae-e6be-2c3eeb9ce848/05-read-the-market.png/1320x2868.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/3b/a1/0a/3ba10a02-1609-6e52-0783-096297963e08/06-explore-quant-firms.png/1320x2868.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/aa/f8/7b/aaf87b9c-b55c-b8d8-a5e8-80f848a01b51/07-discover-quant-roles.png/1320x2868.png) ## Variance Rating Breakdown in United States - 5 stars: 6 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## Variance Available In - [United States](https://apptail.io/app/variance-the-quant-prep-app-GCKA/united-states) - [Australia](https://apptail.io/app/variance-the-quant-prep-app-GCKA/australia) - [United Kingdom](https://apptail.io/app/variance-the-quant-prep-app-GCKA/united-kingdom) - [Canada](https://apptail.io/app/variance-the-quant-prep-app-GCKA/canada) - [Switzerland](https://apptail.io/app/variance-the-quant-prep-app-GCKA/switzerland) - [Denmark](https://apptail.io/app/variance-the-quant-prep-app-GCKA/denmark) - [Egypt](https://apptail.io/app/variance-the-quant-prep-app-GCKA/egypt) - [Hungary](https://apptail.io/app/variance-the-quant-prep-app-GCKA/hungary) - [Ireland](https://apptail.io/app/variance-the-quant-prep-app-GCKA/ireland) - [India](https://apptail.io/app/variance-the-quant-prep-app-GCKA/india) - [Mexico](https://apptail.io/app/variance-the-quant-prep-app-GCKA/mexico) - [New Zealand](https://apptail.io/app/variance-the-quant-prep-app-GCKA/new-zealand) - [Singapore](https://apptail.io/app/variance-the-quant-prep-app-GCKA/singapore) - [Thailand](https://apptail.io/app/variance-the-quant-prep-app-GCKA/thailand) - [United Arab Emirates](https://apptail.io/app/variance-the-quant-prep-app-GCKA/united-arab-emirates) - [South Africa](https://apptail.io/app/variance-the-quant-prep-app-GCKA/south-africa) - [Azerbaijan](https://apptail.io/app/variance-the-quant-prep-app-GCKA/azerbaijan) - [Belize](https://apptail.io/app/variance-the-quant-prep-app-GCKA/belize) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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