# Moonchase Lab Online vs BritSTAR Lab

The clearest difference is iOS requirement: BritSTAR Lab at 12.0 against Moonchase Lab Online's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Moonchase Lab Online ships an update every 2 months, BritSTAR Lab monthly. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Moonchase Lab Online | BritSTAR Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 71 MB | 36 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Moonchase](https://appshunter.io/developer/1502106808) | [Africa Health Link](https://appshunter.io/developer/1445831912) |

## What reviewers say

### Moonchase Lab Online

[App page](https://appshunter.io/ios/app/moonchase-lab-online/id1502106809)

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

**In-app purchases:** none


### BritSTAR Lab

[App page](https://appshunter.io/ios/app/britstar-lab/id6453224354)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Moonchase Lab Online free?

Moonchase Lab Online is free to download, with no in-app purchases.

### Is BritSTAR Lab free?

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

### Do Moonchase Lab Online or BritSTAR Lab have ads?

Neither Moonchase Lab Online nor BritSTAR Lab shows ads.

### Which is updated more often, Moonchase Lab Online or BritSTAR Lab?

Moonchase Lab Online ships an update every 2 months, and BritSTAR Lab monthly. Most recently, Moonchase Lab Online was updated on October 18, 2026 and BritSTAR Lab on October 12, 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.*