# Variance vs CppQuiz.org

The clearest difference is in-app purchases: CppQuiz.org at none against Variance's 2. CppQuiz.org also leads on iOS requirement (17 vs 26.0). Variance's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Variance sells 2 in-app purchases, starting at $24.99 per month. CppQuiz.org asks for nothing beyond the download.

Variance ships an update every 2 weeks, CppQuiz.org every 5 weeks. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Variance | CppQuiz.org |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/variance-the-quant-prep-app/id6760629839/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Freemium | — |
| Size | 18 MB | 4 MB |
| Requires iOS | 26.0 | **17** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Benjamin Kawano](https://appshunter.io/developer/1885410913) | [Can Candangelen](https://appshunter.io/developer/1793565340) |

## What reviewers say

### Variance

[App page](https://appshunter.io/ios/app/variance-the-quant-prep-app/id6760629839)

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.

**Highlights:** Probability practice, Mental math exercises, Logic puzzles, Detailed solutions, Progress tracking, Topic-specific practice

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Variance Pro Monthly | $24.99 | per month |
| Variance Pro Yearly | $99.99 | per year |


### CppQuiz.org

[App page](https://appshunter.io/ios/app/cppquizorg/id6769298208)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Variance free?

Variance is free to download, with in-app purchases available.

### Is CppQuiz.org free?

CppQuiz.org is free to download, with no in-app purchases.

### Do Variance or CppQuiz.org have ads?

Neither Variance nor CppQuiz.org shows ads.

### Which is updated more often, Variance or CppQuiz.org?

Variance ships an update every 2 weeks, and CppQuiz.org every 5 weeks. Most recently, Variance was updated on September 30, 2026 and CppQuiz.org on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*