Comparison

CMC Field Guide vs NH EMS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CMC Field Guide

Access rope rescue and access diagrams, reference charts, and how-to information instantly in the field. This free app provides essential rescue references, allows for note-taking, and supports offline access to downloaded content.

Highlights
  • Rope rescue and access diagrams
  • Reference charts
  • How-to information
  • Bookmark and take notes
  • Offline access to downloads
  • Browse equipment and tutorials
Features
Read full description

This free App allows quick access to rope rescue and access diagrams, reference charts, how-to information, and rescue references, all from the palm of your hand while out in the field. It's packed with reference charts, diagrams, and how-to information. With the CMC Field Guide App you can: Access rescue references instantly Bookmark and take notes on your favorite sections Download videos, guides, and manuals for offline use Browse equipment and information, tutorials, and product user manuals **Note** Updating this App will give you access to all of the functionality built into the most recent version of the App. Your saved information including Notes, References, and Attachments, will be carried through into the updated version.

About

NH EMS

This app provides New Hampshire Emergency Medical Services providers with offline access to critical patient care protocols and hospital information. It includes tools for quick hospital location, contact details for medical control, and EMS-specific calculators to aid in field decision-making.

Highlights
  • Offline patient care protocols
  • Nearby hospital locator
  • Medical control contact information
  • Hospital services list
  • EMS-specific calculators
  • User-friendly interface
Features
Read full description

NH EMS is the essential mobile companion for every New Hampshire Emergency Medical Services provider. This app equips you with critical information, even when offline, ensuring you're always prepared to deliver exceptional patient care. Access the latest NH Patient Care Protocols directly on your device, guaranteeing you're up-to-date on best practices. When time is of the essence, quickly locate nearby hospitals with complete contact information for medical control, a detailed list of available services, and precise addresses. NH EMS also streamlines your workflow with handy calculators designed specifically for EMS scenarios, helping you make accurate decisions in the field. With its user-friendly interface and comprehensive features, NH EMS is an indispensable tool that empowers New Hampshire EMS providers to excel in their vital role.

Screenshots

CMC Field Guide3 screens
NH EMS4 screens

Verdict

The call

The clearest difference is rating: NH EMS at 5.0 against CMC Field Guide's 4.0. NH EMS also leads on update cadence (every 4 days vs every 3 months). CMC Field Guide's advantage is ratings volume (24 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

NH EMS holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: CMC Field Guide has 24 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

CMC Field Guide ships an update every 3 months, NH EMS every 4 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
CMC Field Guide versus NH EMS: the parameters behind the verdict, then further details
ParameterCMC Field GuideNH EMS
PriceFreeFree
Rating4.0 (24 ratings)5.0 (3 ratings) — better
Positive reviews77.8% of reviews—
Number of ratings24 — better3
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size36 MB178 MB
Age rating4+17+
DeveloperCMC Rescue, Inc.Drew Toma

Customer experience

CMC Field Guide

All ratings24 ratings
Positive66.7%
Neutral20.8%
Negative12.5%
Written reviews63 reviews
Positive77.8%
Neutral3.2%
Negative19.0%

NH EMS

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

CMC Field Guide

Reported bugs

15 issues
  • App crashes before it opens
  • Unable to go beyond the first page
  • Unable to access after updating
  • App crashed twice
  • Some links in the app don't work
Show 10 more
  • Multiple glitches where pages cannot be opened
  • Cannot open the app after update
  • New upgrade crashes on opening items
  • Could not find page all the time
  • App doesn't open
  • Half the tabs disappear
  • Barely works (can rarely get into any of the pages)
  • Add-on pop up when viewing PDF
  • Poor display quality - not useful for reading
  • Only M/A illustration shown is 1:1 after update

Requested features

2 requests
  • Enable landscape mode
  • Update with latest techniques

NH EMS

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CMC Field Guide

No in-app purchases

None

NH EMS

No in-app purchases

Questions

Is CMC Field Guide free?
CMC Field Guide is free to download, with no in-app purchases.
Is NH EMS free?
NH EMS is free to download, with no in-app purchases.
Which has better reviews, CMC Field Guide or NH EMS?
NH EMS is rated higher. CMC Field Guide averages 4.0 out of 5 from 24 ratings, while NH EMS averages 5.0 from 3 ratings.
Do CMC Field Guide or NH EMS have ads?
Neither CMC Field Guide nor NH EMS shows ads.
Which is updated more often, CMC Field Guide or NH EMS?
CMC Field Guide ships an update every 3 months, and NH EMS every 4 days. Most recently, CMC Field Guide was updated on November 6, 2026 and NH EMS on October 31, 2026.

Other comparisons