# EBS vs GreenBook

The clearest difference is update cadence: GreenBook at every 3 months against EBS's every 79 months. 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.

EBS ships an update every 79 months, GreenBook every 3 months. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | EBS | GreenBook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 79 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 58 MB | 26 MB |
| Requires iOS | 14.0 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Maybee](https://appshunter.io/developer/1006414136) | [Tanner Mackenzie](https://appshunter.io/developer/1782692965) |

## What reviewers say

### EBS

[App page](https://appshunter.io/ios/app/ebs-inspector-20/id1006414137)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is EBS free?

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

### Is GreenBook free?

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

### Do EBS or GreenBook have ads?

Neither EBS nor GreenBook shows ads.

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

EBS ships an update every 79 months, and GreenBook every 3 months. Most recently, EBS was updated on September 24, 2026 and GreenBook on September 23, 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.*