# Zeno Study vs OnlyMath

The clearest difference is in-app purchases: OnlyMath at none against Zeno Study's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zeno Study sells 3 in-app purchases, starting at $8.99 per month. OnlyMath asks for nothing beyond the download.

## The numbers

| Metric | Zeno Study | OnlyMath |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 62 MB | 32 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Systeme Digital GmbH](https://appshunter.io/developer/1896251103) | [LAURENT IRRAWADDY CHAGNON](https://appshunter.io/developer/6796214095) |

## What reviewers say

### Zeno Study

[App page](https://appshunter.io/ios/app/zeno-study-next-gen-learning/id6766246583)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zeno Pro Monthly | $8.99 | per month |
| Zeno Pro (monthly) | $12.99 | per month |
| Zeno Pro (yearly) | $89.99 | per year |


### OnlyMath

[App page](https://appshunter.io/ios/app/onlymath-mental-math/id6796214093)

**In-app purchases:** none


## Frequently asked questions

### Is Zeno Study free?

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

### Is OnlyMath free?

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

### Do Zeno Study or OnlyMath have ads?

Neither Zeno Study nor OnlyMath shows ads.

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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.*