# Builder Lynx Mobile Tools vs GreenBook

The clearest difference is update cadence: Builder Lynx Mobile Tools at every 3 weeks against GreenBook's every 3 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.

Builder Lynx Mobile Tools ships an update every 3 weeks, GreenBook every 3 months. The most recent releases landed on September 8, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Builder Lynx Mobile Tools | GreenBook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 15 MB | 26 MB |
| Requires iOS | **12.1** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Builder Lynx](https://appshunter.io/developer/1232399321) | [Tanner Mackenzie](https://appshunter.io/developer/1782692965) |

## What reviewers say

### Builder Lynx Mobile Tools

[App page](https://appshunter.io/ios/app/builder-lynx-mobile-tools/id1232399323)

**Features:** macOS Compatibility

**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 Builder Lynx Mobile Tools free?

Builder Lynx Mobile Tools is free to download, with no in-app purchases.

### Is GreenBook free?

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

### Do Builder Lynx Mobile Tools or GreenBook have ads?

Neither Builder Lynx Mobile Tools nor GreenBook shows ads.

### Which is updated more often, Builder Lynx Mobile Tools or GreenBook?

Builder Lynx Mobile Tools ships an update every 3 weeks, and GreenBook every 3 months. Most recently, Builder Lynx Mobile Tools was updated on September 8, 2026 and GreenBook on June 1, 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.*