# Variance: The Quant Prep App — Math, Brain Games, Probability

> Quantitative finance interview preparation app for math and logic skills. (iPhone/iPad app by Benjamin Kawano.)

- Source: https://appshunter.io/ios/app/variance-the-quant-prep-app/id6760629839 (this page in markdown: same URL + `.md`)
- Developer: [Benjamin Kawano](https://appshunter.io/developer/1885410913)
- Category: Education, Productivity
- Price: Free with in-app purchases
- Rating: 5.00/5 from 4 App Store ratings · 2 written reviews indexed
- Age rating: 12+
- Requires: iOS 26.0 · 18 MB
- Languages: American English
- Released: 2026-05-06
- Data updated: 2026-08-31
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/variance-the-quant-prep-app/id6760629839/reviews.md

## What is Variance?

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

## Key features

- Probability practice
- Mental math exercises
- Logic puzzles
- Detailed solutions
- Progress tracking
- Topic-specific practice

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Variance Pro Monthly | $24.99 | per month |
| Variance Pro Yearly | $99.99 | per year |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/variance-the-quant-prep-app/id6760629839/reviews.md

### 5/5 — Great on the Go

*2026-05-11*

This is the only app I have seen that can genuinely prepare me for Quant OAs on my phone. The rest are only on desktop

### 5/5 — Useful for Quant Prep

*2026-05-06*

I came across some games here when I was interviewing for Morgan Stanley. Very useful for quant prep, I hope there will be more games added in the future

## Frequently asked questions about Variance

### What topics does Variance cover for quant interviews?

Variance covers essential quant interview topics including probability, mental math, sequences and patterns, brainteasers, logic puzzles, and expected value. This comprehensive coverage aims to prepare users for the rigorous quantitative skills tested by top firms.

### How does Variance help users track their progress?

Variance includes a progress tracking feature that allows users to monitor their improvement over time. This helps in identifying weak spots and focusing study efforts more effectively, ensuring a more targeted preparation approach.

### Is Variance suitable for beginners in quant finance?

Yes, Variance is designed for aspiring traders, quant researchers, and finance professionals, including students. Its topic-by-topic practice and detailed explanations make it suitable for those looking to build or sharpen their mathematical intuition and problem-solving speed.

### What are the subscription options for Variance Pro?

Variance offers two subscription plans: Variance Pro Monthly at $24.99 per month and Variance Pro Yearly at $99.99 per year. These plans likely unlock additional features or content beyond the free offering.

### What devices is Variance available on?

Variance is available on iPhone and iPad devices. The app is designed to offer a clean, distraction-free interface for focused study on these platforms.

### How often is Variance updated?

The latest version of Variance is 1.2.3, and it was last updated on June 5, 2026. This indicates a relatively active development cycle, suggesting ongoing improvements and content additions.

### What is the age rating for Variance?

Variance has an age rating of 12+. This suggests that the content and complexity of the problems are suitable for users aged 12 and above.

### Does Variance have ads?

No, Variance does not have advertisements. The app is designed with a clean, distraction-free interface to facilitate focused study, and it does not display any ads.

## Version history (last 5 releases)

### 1.3.2 — 2026-08-29

Minor updates and UI fixes

### 1.3.1 — 2026-08-15

minor updates/fixes

### 1.3.0 — 2026-08-11

This version introduces a leaderboard system, refreshes the user interface, enables friend-based rankings, and expands the game library with hundreds of additional challenges. Users can now compete with friends and track their progress against a global community, while enjoying a redesigned interface that improves navigation and visual clarity. The expanded game library adds significant depth to the practice experience, offering more variety in problem types and difficulty levels to keep users engaged and challenged as they prepare for quant interviews.

### 1.2.6 — 2026-07-16

minor bugs/updates

### 1.2.5 — 2026-07-01

login fixes

## More apps by Benjamin Kawano

- [Bread: The Bible Tracker](https://appshunter.io/ios/app/bread-the-bible-tracker/id6768140991)

All apps by Benjamin Kawano: https://appshunter.io/developer/1885410913

## Related topics

[variance](https://appshunter.io/ios/topics/variance) · [dcc laplace](https://appshunter.io/ios/topics/dcc-laplace) · [quant](https://appshunter.io/ios/topics/quant)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-31.*