# e vs GreenBook

The clearest difference is review sentiment: GreenBook at 100% against e's 0%. GreenBook also leads on iOS requirement (13 vs 15.1). 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 29, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | e | GreenBook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 43 MB | 26 MB |
| Requires iOS | 15.1 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [METSCO Energy Solutions INC.](https://appshunter.io/developer/1203918366) | [Tanner Mackenzie](https://appshunter.io/developer/1782692965) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-worksafe/id1117045472)

This app helps electrical workers stay safe by providing a mobile tool for job safety assessments and hazard management. It also offers a cloud platform for organizations to manage safety compliance and an electrical safety program with detailed guidance.

**Highlights:** Mobile job safety assessment, Real-time hazard identification, Electrical Safety Program, Cloud platform for safety management, Compliance with electrical safety regulations, CSA Z462 Standard integration

**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 e free?

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

### Is GreenBook free?

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

### Do e or GreenBook have ads?

Neither e nor GreenBook shows ads.

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

e ships an update every 3 months, and GreenBook every 3 months. Most recently, e was updated on September 29, 2026 and GreenBook on September 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*