CMC Field Guide vs NurseCalcs
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
Read full descriptionHide 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.
NurseCalcs
This utility app helps nurses perform essential unit conversions for medication dosages. It quickly calculates the correct amount of medication to draw based on patient weight and available concentration.
- Unit conversions for nursing
- Calculate medication dosage
- Based on mg per kg
- Uses mg/ml concentration
- Quick calculations
Read full descriptionHide full description
A calculator for nursing unit conversions. Quickly calculate now much to draw based on mg per kg patient weight and mg/ml of medicine.
Screenshots
Verdict
The clearest difference is update cadence: NurseCalcs at every 5 days against CMC Field Guide's every 3 months. NurseCalcs also leads on review sentiment (100% vs 78%). CMC Field Guide's advantage is ratings volume (24 vs 4). On price, rating, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.0 for CMC Field Guide against 4.0 for NurseCalcs. That said, the two scores are not equally well evidenced: CMC Field Guide has 24 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 78% of CMC Field Guide's written reviews are positive against 100% of NurseCalcs's.
CMC Field Guide ships an update every 3 months, NurseCalcs every 5 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.
| Parameter | CMC Field Guide | NurseCalcs |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (24 ratings) | 4.0 (4 ratings) |
| Positive reviews | 77.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 24 — better | 4 |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 — better | 15.5 |
| Further details — not scored | ||
| Size | 36 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | CMC Rescue, Inc. | James Crate |
Customer experience
CMC Field Guide
NurseCalcs
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 moreShow fewer
- 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
NurseCalcs
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CMC Field Guide
No in-app purchases
NurseCalcs
No in-app purchases
Questions
Is CMC Field Guide free?
Is NurseCalcs free?
Which has better reviews, CMC Field Guide or NurseCalcs?
Do CMC Field Guide or NurseCalcs have ads?
Which is updated more often, CMC Field Guide or NurseCalcs?
Other comparisons
