# O.R.I.O.N. vs Fire Heli Load Calc

The clearest difference is price: O.R.I.O.N. at Free against Fire Heli Load Calc's $2.99. Fire Heli Load Calc's advantage is iOS requirement (13.0 vs 15). On update cadence, ads, in-app purchases and device support there is nothing between them.

O.R.I.O.N. is free to download; Fire Heli Load Calc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on November 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | O.R.I.O.N. | Fire Heli Load Calc |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| 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 6 weeks | Every 6 weeks |
| Monetization | Free | — |
| Size | 40 MB | 55 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AIRBUS HELICOPTERS](https://appshunter.io/developer/442021573) | [Arsenal Dev LLC](https://appshunter.io/developer/1559628965) |

## What reviewers say

### 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


### Fire Heli Load Calc

[App page](https://appshunter.io/ios/app/fire-heli-load-calc/id6747595480)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

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

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

### Is Fire Heli Load Calc free?

Fire Heli Load Calc costs $2.99, with no in-app purchases.

### Do O.R.I.O.N. or Fire Heli Load Calc have ads?

Neither O.R.I.O.N. nor Fire Heli Load Calc shows ads.

### Which is updated more often, O.R.I.O.N. or Fire Heli Load Calc?

O.R.I.O.N. ships an update every 6 weeks, and Fire Heli Load Calc every 6 weeks. Most recently, O.R.I.O.N. was updated on November 4, 2026 and Fire Heli Load Calc on October 11, 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.*