Comparison

CMC Field Guide vs JFRD Hydrants

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

JFRD Hydrants

Access a public map of fire hydrant locations and information. Explore hydrant data, search areas, and enhance emergency preparedness. Authorized municipal users can sign in for additional operational tools.

Highlights
  • Interactive fire hydrant map
  • Publicly available hydrant data
  • Searchable map areas
  • Optional sign-in for municipal users
  • Emergency preparedness information
  • Community infrastructure access
Features
Read full description

The Fire Hydrant Map app provides public access to fire hydrant locations and related information through an interactive map. Citizens, community members, and organizations can explore hydrant locations, search areas of interest, and view publicly available hydrant data without creating an account. For authorized municipal users, the app also offers optional sign-in access to additional operational and inspection tools. The app is designed to improve public awareness, emergency preparedness, and access to community infrastructure information. The app provides full public access to hydrant map layers without login. Login is only required for operational workflows used by authorized personnel.

Screenshots

CMC Field Guide3 screens
JFRD Hydrants3 screens

Verdict

The call

The clearest difference is rating: JFRD Hydrants at 5.0 against CMC Field Guide's 4.0. JFRD Hydrants also leads on update cadence (every 3 weeks vs every 3 months). CMC Field Guide's advantage is ratings volume (24 vs 1). 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

JFRD Hydrants 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 1, so its average is the more settled of the two.

UpkeepUpdate frequency

CMC Field Guide ships an update every 3 months, JFRD Hydrants every 3 weeks. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 7 level
CMC Field Guide versus JFRD Hydrants: the parameters behind the verdict, then further details
ParameterCMC Field GuideJFRD Hydrants
PriceFreeFree
Rating4.0 (24 ratings)5.0 (1 ratings) — better
Positive reviews77.8% of reviews—
Number of ratings24 — better1
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size36 MB176 MB
Age rating4+4+
DeveloperCMC Rescue, Inc.City of Jacksonville, FL

Customer experience

CMC Field Guide

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

JFRD Hydrants

All ratings1 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

JFRD Hydrants

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CMC Field Guide

No in-app purchases

None

JFRD Hydrants

No in-app purchases

Questions

Is CMC Field Guide free?
CMC Field Guide is free to download, with no in-app purchases.
Is JFRD Hydrants free?
JFRD Hydrants is free to download, with no in-app purchases.
Which has better reviews, CMC Field Guide or JFRD Hydrants?
JFRD Hydrants is rated higher. CMC Field Guide averages 4.0 out of 5 from 24 ratings, while JFRD Hydrants averages 5.0 from 1 ratings.
Do CMC Field Guide or JFRD Hydrants have ads?
Neither CMC Field Guide nor JFRD Hydrants shows ads.
Which is updated more often, CMC Field Guide or JFRD Hydrants?
CMC Field Guide ships an update every 3 months, and JFRD Hydrants every 3 weeks. Most recently, CMC Field Guide was updated on October 16, 2026 and JFRD Hydrants on October 15, 2026.

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