# EMS Guidebook vs InfinityEMS

The clearest difference is review sentiment: InfinityEMS at 100% against EMS Guidebook's 33%. InfinityEMS also leads on in-app purchases (none vs 7) and rating (5.0 vs 4.8). EMS Guidebook's advantage is ratings volume (90 vs 7). On price, ads and device support there is nothing between them.

Both are free to download. EMS Guidebook sells 7 one-off in-app purchases. InfinityEMS asks for nothing beyond the download.

InfinityEMS holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: EMS Guidebook has 90 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 33% of EMS Guidebook's written reviews are positive against 100% of InfinityEMS's.

EMS Guidebook ships an update every 6 months, InfinityEMS every 3 months. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | EMS Guidebook | InfinityEMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (90 ratings)](https://appshunter.io/ios/app/ems-guidebook/id527102213/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/infinityems/id1378771426/reviews)** |
| Number of ratings | **90** | 7 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 78 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Larry Owens](https://appshunter.io/developer/496138296) | [Todd Heffern](https://appshunter.io/developer/1378771425) |

## What reviewers say

### EMS Guidebook

[App page](https://appshunter.io/ios/app/ems-guidebook/id527102213)

This app provides a digital reference for emergency medical service protocols, replacing traditional physical guidebooks. It includes essential medical charts, guidelines, and rhythm examples, with agency-specific protocols accessible via password.

**Highlights:** Digital EMS agency protocols, Replacement for physical guidebooks, Pediatric vital signs charts, Burn and c-spine clearance guides, Cardiac rhythm examples, AHA guidelines

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2009 Utah EMS for Children Off-Line Protocols | $1.99 | one-time |
| District 2B Protocols | $2.99 | one-time |
| 2009 West Virginia EMT Basic Protocols | $3.99 | one-time |
| 2012 North Carolina EMS Protocols | $4.99 | one-time |
| 2009 North Carolina EMS Protocols | $4.99 | one-time |
| 2010 Hawaii EMS Standing Orders | $4.99 | one-time |
| 2011-2013 St John New Zealand Protocols | $4.99 | one-time |


### InfinityEMS

[App page](https://appshunter.io/ios/app/infinityems/id1378771426)

This app provides emergency medical service (EMS) agencies with up-to-date clinical guidelines and pediatric weight-based dosing information. It serves as a supplementary tool to agency-specific protocols and offers links to various EMS resources.

**Highlights:** Clinical guidelines for EMS, Pediatric weight-based dosing, Links to EMS resources, Up-to-date information

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

**In-app purchases:** none


## Frequently asked questions

### Is EMS Guidebook free?

EMS Guidebook is free to download, with in-app purchases available.

### Is InfinityEMS free?

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

### Which has better reviews, EMS Guidebook or InfinityEMS?

InfinityEMS is rated higher. EMS Guidebook averages 4.8 out of 5 from 90 ratings, while InfinityEMS averages 5.0 from 7 ratings.

### Do EMS Guidebook or InfinityEMS have ads?

Neither EMS Guidebook nor InfinityEMS shows ads.

### Which is updated more often, EMS Guidebook or InfinityEMS?

EMS Guidebook ships an update every 6 months, and InfinityEMS every 3 months. Most recently, EMS Guidebook was updated on September 10, 2026 and InfinityEMS on September 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*