# Sirius Navigator vs Compass Altitude

The clearest difference is in-app purchases: Sirius Navigator at none against Compass Altitude's 1. Sirius Navigator also leads on iOS requirement (11.1 vs 15). Compass Altitude's advantage is update cadence (every 8 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Compass Altitude sells 1 in-app purchase, starting at $9.99 per year. Sirius Navigator asks for nothing beyond the download.

Sirius Navigator ships an update every 6 months, Compass Altitude every 8 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sirius Navigator | Compass Altitude |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9 ratings)](https://appshunter.io/ios/app/sirius-navigator/id1278713154/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 60 MB | 6 MB |
| Requires iOS | **11.1** | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Baev](https://appshunter.io/developer/1274062833) | [连喜 罗](https://appshunter.io/developer/1450239627) |

## What reviewers say

### Sirius Navigator

[App page](https://appshunter.io/ios/app/sirius-navigator/id1278713154)

This app provides navigational tools including a compass, barometer, and altitude readings. It also offers easy access to your phone's light control for added convenience.

**Highlights:** Magnetic and True North compass, Location data, Altitude measurement, Barometer readings, Phone light control

**Features:** macOS Compatibility

**In-app purchases:** none


### Compass Altitude

[App page](https://appshunter.io/ios/app/compass-altitude/id6738635300)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CompassAltitudePro | $9.99 | per year |


## Frequently asked questions

### Is Sirius Navigator free?

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

### Is Compass Altitude free?

Compass Altitude is free to download, with in-app purchases available.

### Do Sirius Navigator or Compass Altitude have ads?

Neither Sirius Navigator nor Compass Altitude shows ads.

### Which is updated more often, Sirius Navigator or Compass Altitude?

Sirius Navigator ships an update every 6 months, and Compass Altitude every 8 days. Most recently, Sirius Navigator was updated on October 24, 2026 and Compass Altitude on October 27, 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.*