# ZOLL emsCharts NOW vs EMS Protocol Reference

ZOLL emsCharts NOW and EMS Protocol Reference are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZOLL emsCharts NOW ships an update every 2 months, EMS Protocol Reference every 3 months. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ZOLL emsCharts NOW | EMS Protocol Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (29 ratings)](https://appshunter.io/ios/app/zoll-emscharts-now/id6443943172/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 80 MB | 20 MB |
| Requires iOS | 18.4 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [ZOLL Data Systems, Inc.](https://appshunter.io/developer/385812404) | [RespondersAI LLC](https://appshunter.io/developer/1818178681) |

## What reviewers say

### ZOLL emsCharts NOW

[App page](https://appshunter.io/ios/app/zoll-emscharts-now/id6443943172)

This mobile charting solution streamlines patient care reporting by allowing quick data capture and integration with medical devices. It securely connects to a network that automatically populates patient charts, reducing documentation time and improving accuracy for healthcare professionals.

**Highlights:** Quick patient care report data capture, Medical device integration, Secure network connectivity, Automatic chart data population, Reduced documentation time, Improved documentation accuracy

**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 ZOLL emsCharts NOW free?

ZOLL emsCharts NOW 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 ZOLL emsCharts NOW or EMS Protocol Reference have ads?

Neither ZOLL emsCharts NOW nor EMS Protocol Reference shows ads.

### Which is updated more often, ZOLL emsCharts NOW or EMS Protocol Reference?

ZOLL emsCharts NOW ships an update every 2 months, and EMS Protocol Reference every 3 months. Most recently, ZOLL emsCharts NOW was updated on October 13, 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.*