# Start North vs EMS Protocol Reference

The clearest difference is device support: Start North at 3 against EMS Protocol Reference's 1. Start North also leads on iOS requirement (11.0 vs 18.0). 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.

Start North ships an update every 4 months, EMS Protocol Reference every 3 months. Both last shipped on October 14, 2026.

## The numbers

| Metric | Start North | EMS Protocol Reference |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 11 MB | 20 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Softtech, Incorporated.](https://appshunter.io/developer/994593098) | [RespondersAI LLC](https://appshunter.io/developer/1818178681) |

## What reviewers say

### Start North

[App page](https://appshunter.io/ios/app/start-north/id1573160321)

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

**In-app purchases:** none


### EMS Protocol Reference

[App page](https://appshunter.io/ios/app/ems-protocol-reference/id6761344731)

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

**In-app purchases:** none


## Frequently asked questions

### Is Start North free?

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

### Is EMS Protocol Reference free?

EMS Protocol Reference is free to download, with no in-app purchases.

### Do Start North or EMS Protocol Reference have ads?

Neither Start North nor EMS Protocol Reference shows ads.

### Which is updated more often, Start North or EMS Protocol Reference?

Start North ships an update every 4 months, and EMS Protocol Reference every 3 months. Most recently, Start North was updated on October 14, 2026 and EMS Protocol Reference on October 14, 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.*