# Zetamac Arithmetic Practice vs Zevlon AI

The clearest difference is in-app purchases: Zetamac Arithmetic Practice at none against Zevlon AI's 3. Zetamac Arithmetic Practice also leads on update cadence (daily vs every 4 weeks). Zevlon AI's advantage is iOS requirement (15.0 vs 17.5). On price, ads and device support there is nothing between them.

Both are free to download. Zevlon AI sells 3 in-app purchases, starting at $7.99 per 7 days. Zetamac Arithmetic Practice asks for nothing beyond the download.

Zetamac Arithmetic Practice ships an update daily, Zevlon AI every 4 weeks. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Zetamac Arithmetic Practice | Zevlon AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/zetamac-arithmetic-practice/id6737153617/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 weeks |
| Monetization | Free | — |
| Size | 1 MB | 87 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Joseph Ma](https://appshunter.io/developer/1774979062) | [Maksim Sinitsyn](https://appshunter.io/developer/1896535751) |

## 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


### Zevlon AI

[App page](https://appshunter.io/ios/app/zevlon-ai-chart-analysis/id6768208853)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zevlon Weekly | $7.99 | per 7 days |
| Zevlon Monthly | $14.99 | per month |
| Zevlon Annual | $119.99 | per year |


## Frequently asked questions

### Is Zetamac Arithmetic Practice free?

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

### Is Zevlon AI free?

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

### Do Zetamac Arithmetic Practice or Zevlon AI have ads?

Neither Zetamac Arithmetic Practice nor Zevlon AI shows ads.

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

Zetamac Arithmetic Practice ships an update daily, and Zevlon AI every 4 weeks. Most recently, Zetamac Arithmetic Practice was updated on October 25, 2026 and Zevlon AI on October 6, 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.*