# Zetamac problems vs Aritmo

The clearest difference is in-app purchases: Zetamac problems at none against Aritmo's 2. Aritmo's advantage is update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Aritmo sells 2 in-app purchases, starting at $3.99 per month. Zetamac problems asks for nothing beyond the download.

Zetamac problems ships an update every 2 months, Aritmo every 2 days. The most recent releases landed on September 29, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Zetamac problems | Aritmo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zetamac-problems/id6743952737/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 4 MB | 13 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chhaya Patel](https://appshunter.io/developer/1736176770) | [LUCCA EMMANUEL PINELI SIMOES LTDA](https://appshunter.io/developer/1884998353) |

## What reviewers say

### Zetamac problems

[App page](https://appshunter.io/ios/app/zetamac-problems/id6743952737)

Sharpen your math skills with daily practice problems. This app offers diverse problem types, customizable difficulty, and timed challenges to prepare for exams and interviews. Get instant feedback to improve your accuracy and speed.

**Highlights:** Diverse math problem types, Customizable number range, Timed practice challenges, Realistic quantitative simulations, Instant feedback on answers

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

**In-app purchases:** none


### Aritmo

[App page](https://appshunter.io/ios/app/aritmo/id6760564207)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aritmo Premium | $3.99 | per month |
| Aritmo Yearly Premium Access | $29.99 | per year |


## Frequently asked questions

### Is Zetamac problems free?

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

### Is Aritmo free?

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

### Do Zetamac problems or Aritmo have ads?

Both Zetamac problems and Aritmo show ads.

### Which is updated more often, Zetamac problems or Aritmo?

Zetamac problems ships an update every 2 months, and Aritmo every 2 days. Most recently, Zetamac problems was updated on September 29, 2026 and Aritmo on September 22, 2026.

---

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