CMC Field Guide vs ShiftCal® for CalFire
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Rope rescue and access diagrams
- Reference charts
- How-to information
- Bookmark and take notes
- Offline access to downloads
- Browse equipment and tutorials
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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.
ShiftCal® for CalFire
This shift calendar displays the "bump" schedule used by CalFire in Riverside County, California, and by individual agencies. It is specifically designed for shift work and not for general appointments.
- CalFire "bump" schedule display
- Agency-specific schedule support
- Shift work focus
- Designed for Riverside County, CA
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ShiftCal for Cal Fire is a shift calendar designed to display the "bump" schedule used by CalFire in Riverside County, California, as well as by individual agencies (e.g. San Miguel). Note: this application is a shift calendar; it is not an appointment calendar.
Screenshots
Verdict
The clearest difference is review sentiment: CMC Field Guide at 78% against ShiftCal® for CalFire's 0%. CMC Field Guide also leads on price (Free vs $3.99) and rating (4.0 vs 1.0). ShiftCal® for CalFire's advantage is iOS requirement (11.0 vs 15.1). On ads, in-app purchases and device support 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
CMC Field Guide is free to download; ShiftCal® for CalFire costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
CMC Field Guide holds the better App Store score, 4.0 against 1.0. 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. Written reviews point the same way: 78% of CMC Field Guide's written reviews are positive against 0% of ShiftCal® for CalFire's.
CMC Field Guide ships an update every 3 months, ShiftCal® for CalFire every 14 months. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.
| Parameter | CMC Field Guide | ShiftCal® for CalFire |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 4.0 (24 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 77.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 24 — better | 1 |
| Update frequency | Every 3 months — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 36 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | CMC Rescue, Inc. | Thomas Wesley Erickson |
Customer experience
CMC Field Guide
ShiftCal® for CalFire
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
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- 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
ShiftCal® for CalFire
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CMC Field Guide
No in-app purchases
ShiftCal® for CalFire
No in-app purchases
Questions
Is CMC Field Guide free?
Is ShiftCal® for CalFire free?
Which has better reviews, CMC Field Guide or ShiftCal® for CalFire?
Do CMC Field Guide or ShiftCal® for CalFire have ads?
Which is updated more often, CMC Field Guide or ShiftCal® for CalFire?
Other comparisons
