# CCOHS Safe Work vs Zedem

The clearest difference is update cadence: Zedem at every 2 months against CCOHS Safe Work's every 15 months. CCOHS Safe Work's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CCOHS Safe Work ships an update every 15 months, Zedem every 2 months. The most recent releases landed on September 23, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | CCOHS Safe Work | Zedem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ccohs-safe-work/id1572293783/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 153 MB | 103 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Canadian Centre for Occupational Health and Safety](https://appshunter.io/developer/1031111931) | [TeacherZone](https://appshunter.io/developer/1352306535) |

## What reviewers say

### CCOHS Safe Work

[App page](https://appshunter.io/ios/app/ccohs-safe-work/id1572293783)

Access a comprehensive library of workplace health and safety information, including fact sheets, tip sheets, and videos. This app helps organizations assess risks, implement prevention programs, and protect workers. Resources can be accessed offline and shared with colleagues.

**Highlights:** OSH Answers fact sheets, Guidance on infectious diseases, Searchable resource library, Offline access, Save and share resources, Tip sheets and infographics

**Features:** macOS Compatibility

**In-app purchases:** none


### Zedem

[App page](https://appshunter.io/ios/app/zedem/id6529524021)

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

**In-app purchases:** none


## Frequently asked questions

### Is CCOHS Safe Work free?

CCOHS Safe Work is free to download, with no in-app purchases.

### Is Zedem free?

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

### Do CCOHS Safe Work or Zedem have ads?

Neither CCOHS Safe Work nor Zedem shows ads.

### Which is updated more often, CCOHS Safe Work or Zedem?

CCOHS Safe Work ships an update every 15 months, and Zedem every 2 months. Most recently, CCOHS Safe Work was updated on September 23, 2026 and Zedem on September 27, 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.*