# EMS Pro vs 4n6 Tools Lite

The clearest difference is update cadence: 4n6 Tools Lite at every 8 days against EMS Pro's every 3 months. EMS Pro's advantage is iOS requirement (13.0 vs 15.0). 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.

EMS Pro ships an update every 3 months, 4n6 Tools Lite every 8 days. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | EMS Pro | 4n6 Tools Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/ems-pro/id879586473/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 73 MB | 1 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Lehigh Valley Health Network](https://appshunter.io/developer/474815522) | [Jan Sikuta](https://appshunter.io/developer/6782549504) |

## What reviewers say

### EMS Pro

[App page](https://appshunter.io/ios/app/ems-pro/id879586473)

This medical app provides emergency medical service providers with clinical decision support, calculators, and communication tools. It offers quick access to pre-hospital protocols, drug information, and hospital routing, replacing traditional printed reference materials.

**Highlights:** Pre-hospital protocols (ALS, BLS, CCT, AEMT), Clinical calculators, Burn triage tools, Drug reference information, GPS routing to hospitals, Pennsylvania hospital directory

**Features:** macOS Compatibility

**In-app purchases:** none


### 4n6 Tools Lite

[App page](https://appshunter.io/ios/app/4n6-tools-lite/id6783425913)

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

**In-app purchases:** none


## Frequently asked questions

### Is EMS Pro free?

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

### Is 4n6 Tools Lite free?

4n6 Tools Lite is free to download, with no in-app purchases.

### Do EMS Pro or 4n6 Tools Lite have ads?

Neither EMS Pro nor 4n6 Tools Lite shows ads.

### Which is updated more often, EMS Pro or 4n6 Tools Lite?

EMS Pro ships an update every 3 months, and 4n6 Tools Lite every 8 days. Most recently, EMS Pro was updated on October 5, 2026 and 4n6 Tools Lite on September 30, 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.*