# DOI OSH Safety vs OSHA Reference

The clearest difference is in-app purchases: DOI OSH Safety at none against OSHA Reference's 1. OSHA Reference's advantage is update cadence (every 2 days vs every 3 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. OSHA Reference sells 1 one-off in-app purchase. DOI OSH Safety asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for DOI OSH Safety against 5.0 for OSHA Reference. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

DOI OSH Safety ships an update every 3 months, OSHA Reference every 2 days. The most recent releases landed on July 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | DOI OSH Safety | OSHA Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/doi-osh-safety/id1527456645/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/osha-reference/id6760950424/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 56 MB | 27 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [U.S. Department of the Interior](https://appshunter.io/developer/1498505970) | [ZIma Logistics LLC](https://appshunter.io/developer/1883563240) |

## What reviewers say

### DOI OSH Safety

[App page](https://appshunter.io/ios/app/doi-osh-safety/id1527456645)

This app offers policy information, tools, and resources for employees and contractors to promote workplace safety. It includes assessments, checklists, and articles to educate users on procedures for protecting lives and property.

**Highlights:** Policy information, Safety tools and resources, Assessments and checklists, How-to articles, Healthful procedure education

**Features:** macOS Compatibility, 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 DOI OSH Safety free?

DOI OSH Safety is free to download, with no in-app purchases.

### Is OSHA Reference free?

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

### Which has better reviews, DOI OSH Safety or OSHA Reference?

DOI OSH Safety and OSHA Reference are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do DOI OSH Safety or OSHA Reference have ads?

Neither DOI OSH Safety nor OSHA Reference shows ads.

### Which is updated more often, DOI OSH Safety or OSHA Reference?

DOI OSH Safety ships an update every 3 months, and OSHA Reference every 2 days. Most recently, DOI OSH Safety was updated on July 18, 2026 and OSHA Reference on September 9, 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.*