# Aircraft vs OSHA Reference

The clearest difference is price: OSHA Reference at Free against Aircraft's $1.99. OSHA Reference also leads on update cadence (every 4 days vs every 6 months). Aircraft's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads there is nothing between them.

OSHA Reference is free to download; Aircraft costs $1.99 up front. OSHA Reference sells 1 one-off in-app purchase. Aircraft asks for nothing beyond the download.

Aircraft ships an update every 6 months, OSHA Reference every 4 days. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Aircraft | OSHA Reference |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/osha-reference/id6760950424/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 29 MB | 51 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MSC Computer Vertriebs-Gesellschaft mbH](https://appshunter.io/developer/1568290326) | [Zima Logistics LLC](https://appshunter.io/developer/1883563240) |

## What reviewers say

### Aircraft

[App page](https://appshunter.io/ios/app/aircraft-data/id1659814670)

**Features:** Vision Pro support

**In-app purchases:** none


### OSHA Reference

[App page](https://appshunter.io/ios/app/osha-reference/id6760950424)

Access and search federal workplace safety regulations offline. Includes tools for classifying workplace incidents and calculating heat stress with OSHA-aligned guidance. Bookmark important standards for quick access.

**Highlights:** Browse all OSHA regulations, Full-text search of standards, Incident classification wizard, Heat stress calculator, Offline access, Bookmark regulations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OSHA Reference Pro | $6.99 | one-time |


## Frequently asked questions

### Is Aircraft free?

Aircraft costs $1.99, with no in-app purchases.

### Is OSHA Reference free?

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

### Do Aircraft or OSHA Reference have ads?

Neither Aircraft nor OSHA Reference shows ads.

### Which is updated more often, Aircraft or OSHA Reference?

Aircraft ships an update every 6 months, and OSHA Reference every 4 days. Most recently, Aircraft was updated on October 5, 2026 and OSHA Reference on October 12, 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.*