# Stochastic Lab vs ChoirXML

The clearest difference is price: ChoirXML at Free against Stochastic Lab's $7.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ChoirXML is free to download; Stochastic Lab costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Stochastic Lab | ChoirXML |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/choirxml/id6820900693/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 180 MB | 9 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Martin Adler](https://appshunter.io/developer/1896354791) | [Jonathan Froese](https://appshunter.io/developer/6813776185) |

## What reviewers say

### Stochastic Lab

[App page](https://appshunter.io/ios/app/stochastic-lab/id6809621751)

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

**In-app purchases:** none


### ChoirXML

[App page](https://appshunter.io/ios/app/choirxml/id6820900693)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stochastic Lab free?

Stochastic Lab costs $7.99, with no in-app purchases.

### Is ChoirXML free?

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

### Do Stochastic Lab or ChoirXML have ads?

Neither Stochastic Lab nor ChoirXML 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.*