Comparison

CMC Field Guide vs ResponderOne

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

ResponderOne

Provides emergency service professionals with instant, offline access to department protocols, guidelines, and critical resources. Features smart organization, powerful search, and automatic updates to ensure users always have the latest information.

Highlights
  • Offline access to resources
  • Smart hierarchical organization
  • Powerful instant search
  • Quick bookmarking
  • Automatic protocol updates
  • Multi-format resource support
  • Dark mode interface
Features
Read full description

ResponderOne Your Department Resources, Always at Your Fingertips ResponderOne gives emergency service professionals instant access to department protocols, guidelines, contacts, and clinical tools, even offline. Built for EMS, Fire, Law Enforcement, and any organization that needs reliable access to operational resources in the field. KEY FEATURES Offline Access Download your department's entire resource library. Access everything anytime, anywhere. No internet required. Smart Organization Browse folders that mirror your department's structure. Find what you need fast. Powerful Search Search titles and the text inside documents, with highlighted matches. Clinical Tools Dosage Calculator, Glasgow Coma Scale, APGAR, and Burns calculators. Always Up to Date Your department publishes new and revised protocols to your device. See exactly what changed and read the version notes for each document. Quick Bookmarks Save frequently used protocols for one-tap access from your home screen. Everything in One Place PDFs, web resources, phone contacts, email addresses, and maps, organized together. Built for the Field A clean, native design with your department's logo, plus dark mode for night operations. SECURE & RELIABLE Secure sign-in, department-specific content, and verified downloads. GETTING STARTED Requires credentials from your department administrator. Contact them for access.

Screenshots

CMC Field Guide3 screens
ResponderOne4 screens

Verdict

The call

The clearest difference is rating: ResponderOne at 5.0 against CMC Field Guide's 4.0. ResponderOne also leads on update cadence (weekly vs every 3 months). CMC Field Guide's advantage is ratings volume (24 vs 6). 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

ResponderOne holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 24 and 6 respectively.

UpkeepUpdate frequency

CMC Field Guide ships an update every 3 months, ResponderOne weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
CMC Field Guide versus ResponderOne: the parameters behind the verdict, then further details
ParameterCMC Field GuideResponderOne
PriceFreeFree
Rating4.0 (24 ratings)5.0 (6 ratings) — better
Positive reviews77.8% of reviews—
Number of ratings24 — better6
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.4
Further details — not scored
Size36 MB59 MB
Age rating4+17+
DeveloperCMC Rescue, Inc.ResponderOne

Customer experience

CMC Field Guide

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

ResponderOne

All ratings6 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

ResponderOne

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CMC Field Guide

No in-app purchases

None

ResponderOne

No in-app purchases

Questions

Is CMC Field Guide free?
CMC Field Guide is free to download, with no in-app purchases.
Is ResponderOne free?
ResponderOne is free to download, with no in-app purchases.
Which has better reviews, CMC Field Guide or ResponderOne?
ResponderOne is rated higher. CMC Field Guide averages 4.0 out of 5 from 24 ratings, while ResponderOne averages 5.0 from 6 ratings.
Do CMC Field Guide or ResponderOne have ads?
Neither CMC Field Guide nor ResponderOne shows ads.
Which is updated more often, CMC Field Guide or ResponderOne?
CMC Field Guide ships an update every 3 months, and ResponderOne weekly. Most recently, CMC Field Guide was updated on October 23, 2026 and ResponderOne on October 24, 2026.

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