# GreenBook vs Compliance

The clearest difference is iOS requirement: GreenBook at 13 against Compliance's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

GreenBook ships an update every 3 months, Compliance every 2 months. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | GreenBook | Compliance |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 26 MB | 5 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tanner Mackenzie](https://appshunter.io/developer/1782692965) | [Venux AI Inc](https://appshunter.io/developer/1895566271) |

## What reviewers say

### GreenBook

[App page](https://appshunter.io/ios/app/greenbook/id6738869708)

Access Ontario's Occupational Health and Safety Act and Regulations. This tool allows for easy searching, bookmarking, and highlighting of key passages to aid in workplace compliance. A downloadable safety board posting is also available.

**Highlights:** Access Ontario's Health and Safety Act, Searchable Regulations, Bookmark key passages, Highlight text, Global search across documents, Downloadable safety board posting

**Features:** macOS Compatibility

**In-app purchases:** none


### Compliance

[App page](https://appshunter.io/ios/app/compliance/id6763943958)

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

**In-app purchases:** none


## Frequently asked questions

### Is GreenBook free?

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

### Is Compliance free?

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

### Do GreenBook or Compliance have ads?

Neither GreenBook nor Compliance shows ads.

### Which is updated more often, GreenBook or Compliance?

GreenBook ships an update every 3 months, and Compliance every 2 months. Most recently, GreenBook was updated on October 9, 2026 and Compliance on October 28, 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.*