# Pathogen Safety Data Sheets vs Coastal Observer

The clearest difference is update cadence: Pathogen Safety Data Sheets at every 2 months against Coastal Observer's every 9 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.

Pathogen Safety Data Sheets ships an update every 2 months, Coastal Observer every 9 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Pathogen Safety Data Sheets | Coastal Observer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Size | 39 MB | 33 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Health Canada](https://appshunter.io/developer/408663392) | [Greencoast Media Inc.](https://appshunter.io/developer/1550407878) |

## What reviewers say

### Pathogen Safety Data Sheets

[App page](https://appshunter.io/ios/app/pathogen-safety-data-sheets/id977376698)

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

**In-app purchases:** none


### Coastal Observer

[App page](https://appshunter.io/ios/app/coastal-observer/id6446388304)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pathogen Safety Data Sheets free?

Pathogen Safety Data Sheets is free to download, with no in-app purchases.

### Is Coastal Observer free?

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

### Do Pathogen Safety Data Sheets or Coastal Observer have ads?

Neither Pathogen Safety Data Sheets nor Coastal Observer shows ads.

### Which is updated more often, Pathogen Safety Data Sheets or Coastal Observer?

Pathogen Safety Data Sheets ships an update every 2 months, and Coastal Observer every 9 months. Most recently, Pathogen Safety Data Sheets was updated on October 9, 2026 and Coastal Observer on October 12, 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.*