# O.R.I.O.N. vs Helicopterlog

O.R.I.O.N. and Helicopterlog 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.

O.R.I.O.N. ships an update every 6 weeks, Helicopterlog every 3 weeks. The most recent releases landed on September 7, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | O.R.I.O.N. | Helicopterlog |
| --- | --- | --- |
| 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 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 39 MB | 52 MB |
| Requires iOS | **15** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AIRBUS HELICOPTERS](https://appshunter.io/developer/442021573) | [RR Solutions KG Des Rudolf Rienzner &Co.](https://appshunter.io/developer/1098655960) |

## 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

**In-app purchases:** none


### Helicopterlog

[App page](https://appshunter.io/ios/app/helicopterlog/id1554238396)

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

**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 Helicopterlog free?

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

### Do O.R.I.O.N. or Helicopterlog have ads?

Neither O.R.I.O.N. nor Helicopterlog shows ads.

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

O.R.I.O.N. ships an update every 6 weeks, and Helicopterlog every 3 weeks. Most recently, O.R.I.O.N. was updated on September 7, 2026 and Helicopterlog on August 31, 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.*