# Blue Mro vs O.R.I.O.N.

Blue Mro and O.R.I.O.N. are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

Blue Mro ships an update every 2 months, O.R.I.O.N. every 6 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Blue Mro | O.R.I.O.N. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.9 (7 ratings)](https://appshunter.io/ios/app/orion/id1440256690/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 24 MB | 40 MB |
| Requires iOS | 16.6 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MRX Systems S.A.](https://appshunter.io/developer/414442593) | [AIRBUS HELICOPTERS](https://appshunter.io/developer/442021573) |

## What reviewers say

### Blue Mro

[App page](https://appshunter.io/ios/app/blue-mro/id719527761)

**Features:** macOS Compatibility

**In-app purchases:** none


### O.R.I.O.N.

[App page](https://appshunter.io/ios/app/orion/id1440256690)

Access Airbus Helicopters technical documentation online and offline. Download publications and receive alerts for new versions. Requires a Keycopter account for online access.

**Highlights:** Online and offline publication consultation, Downloadable publications, New version availability checks, Email alerts for new publications, Requires Keycopter account

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Blue Mro free?

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

### Is O.R.I.O.N. free?

O.R.I.O.N. is free to download, with no in-app purchases.

### Do Blue Mro or O.R.I.O.N. have ads?

Neither Blue Mro nor O.R.I.O.N. shows ads.

### Which is updated more often, Blue Mro or O.R.I.O.N.?

Blue Mro ships an update every 2 months, and O.R.I.O.N. every 6 weeks. Most recently, Blue Mro was updated on October 29, 2026 and O.R.I.O.N. on October 24, 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.*