# Gydronix vs jMath

The clearest difference is iOS requirement: jMath at 13.0 against Gydronix's 16.4. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Gydronix | jMath |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 67 MB | 36 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Arkadiy Simonov](https://appshunter.io/developer/1569561356) | [Alexey Andreev](https://appshunter.io/developer/1622101276) |

## What reviewers say

### Gydronix

[App page](https://appshunter.io/ios/app/gydronix/id1569561354)

**In-app purchases:** none


### jMath

[App page](https://appshunter.io/ios/app/jmath/id6473386720)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gydronix free?

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

### Is jMath free?

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

### Do Gydronix or jMath have ads?

Neither Gydronix nor jMath 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.*