# Sirius Lab vs Azure Compass

Sirius Lab and Azure Compass are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Sirius Lab | Azure Compass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 11 MB | 57 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | +4 | +4 |
| Developer | [Victor Moreira](https://appshunter.io/developer/1700947638) | [Azure Compass](https://appshunter.io/developer/6811683665) |

## What reviewers say

### Sirius Lab

[App page](https://appshunter.io/ios/app/sirius-lab/id6753664669)

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

**In-app purchases:** none


### Azure Compass

[App page](https://appshunter.io/ios/app/azure-compass/id6811683663)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sirius Lab free?

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

### Is Azure Compass free?

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

### Do Sirius Lab or Azure Compass have ads?

Neither Sirius Lab nor Azure Compass shows ads.

---

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