# Zetamac Arithmetic Practice vs Variance

The clearest difference is in-app purchases: Zetamac Arithmetic Practice at none against Variance's 2. Zetamac Arithmetic Practice also leads on update cadence (daily vs every 2 weeks) and ratings volume (18 vs 5). Variance's advantage is rating (5.0 vs 4.7) and review sentiment (100% vs 82%). 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. Zetamac Arithmetic Practice asks for nothing beyond the download.

Variance holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 18 and 5 respectively. Written reviews point the same way: 82% of Zetamac Arithmetic Practice's written reviews are positive against 100% of Variance's.

Zetamac Arithmetic Practice ships an update daily, Variance every 2 weeks. The most recent releases landed on September 22, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Zetamac Arithmetic Practice | Variance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (18 ratings)](https://appshunter.io/ios/app/zetamac-arithmetic-practice/id6737153617/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/variance-the-quant-prep-app/id6760629839/reviews)** |
| Number of ratings | **18** | 5 |
| Positive reviews | 82.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | **Free** | Freemium |
| Size | 1 MB | 18 MB |
| Requires iOS | **17.5** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Joseph Ma](https://appshunter.io/developer/1774979062) | [Benjamin Kawano](https://appshunter.io/developer/1885410913) |

## What reviewers say

### Zetamac Arithmetic Practice

[App page](https://appshunter.io/ios/app/zetamac-arithmetic-practice/id6737153617)

This app offers mental math practice tailored for quantitative finance professionals. It focuses on improving calculation speed and accuracy for complex numerical problems.

**Highlights:** Mental math practice, Quantitative finance focus, Calculation speed improvement, Accuracy enhancement, Numerical problem solving

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Zetamac Arithmetic Practice free?

Zetamac Arithmetic Practice is free to download, with no in-app purchases.

### Is Variance free?

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

### Which has better reviews, Zetamac Arithmetic Practice or Variance?

Variance is rated higher. Zetamac Arithmetic Practice averages 4.7 out of 5 from 18 ratings, while Variance averages 5.0 from 5 ratings.

### Do Zetamac Arithmetic Practice or Variance have ads?

Neither Zetamac Arithmetic Practice nor Variance shows ads.

### Which is updated more often, Zetamac Arithmetic Practice or Variance?

Zetamac Arithmetic Practice ships an update daily, and Variance every 2 weeks. Most recently, Zetamac Arithmetic Practice was updated on September 22, 2026 and Variance on September 12, 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.*