# ARMAS vs Aurora Tracker (Scientific)

The clearest difference is in-app purchases: Aurora Tracker (Scientific) at none against ARMAS's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ARMAS sells 3 in-app purchases, starting at $2.99 per year. Aurora Tracker (Scientific) asks for nothing beyond the download.

## The numbers

| Metric | ARMAS | Aurora Tracker (Scientific) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/armas/id1446097782/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 31 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Space Environment Technologies, LLC.](https://appshunter.io/developer/1446097781) | [Jansen Teng Weng Nang](https://appshunter.io/developer/1886421316) |

## What reviewers say

### ARMAS

[App page](https://appshunter.io/ios/app/armas/id1446097782)

Real-time radiation monitoring for aviation and space weather awareness. Pairs with hardware detectors or provides data from global systems for pilots and travelers.

**Highlights:** Real-time radiation monitoring, Space weather awareness, Pairs with ARMAS Flight Modules, Detects various radiation types, Global airspace coverage, Data from ground and space systems

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premier | $2.99 | per year |
| Professional | $2.99 | per year |
| Member | $2.99 | one-time |


### Aurora Tracker (Scientific)

[App page](https://appshunter.io/ios/app/aurora-tracker-scientific/id6760826302)

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

**In-app purchases:** none


## Frequently asked questions

### Is ARMAS free?

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

### Is Aurora Tracker (Scientific) free?

Aurora Tracker (Scientific) is free to download, with no in-app purchases.

### Do ARMAS or Aurora Tracker (Scientific) have ads?

Neither ARMAS nor Aurora Tracker (Scientific) 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.*