# CMC Field Guide vs NurseCalcs

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.

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.

## The numbers

| Metric | CMC Field Guide | NurseCalcs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (24 ratings)](https://appshunter.io/ios/app/cmc-field-guide/id426955029/reviews) | [4.0 (4 ratings)](https://appshunter.io/ios/app/nursecalcs/id1584676007/reviews) |
| Number of ratings | **24** | 4 |
| Positive reviews | 77.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 36 MB | 4 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CMC Rescue, Inc.](https://appshunter.io/developer/426955032) | [James Crate](https://appshunter.io/developer/1584676009) |

## What reviewers say

### CMC Field Guide

[App page](https://appshunter.io/ios/app/cmc-field-guide/id426955029)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great resource for rescue
- 👍 Useful for knots
- 👍 Informative and well-organized
- 👍 Handy reference tool
- 👍 Clear illustrations

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Unable to access content after updates
- 🐛 Glitches and bugs
- 🐛 Poor display quality
- 🐛 Not working on iPad

**Reported bugs**

- 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

**Requested features**

- Enable landscape mode
- Update with latest techniques


### NurseCalcs

[App page](https://appshunter.io/ios/app/nursecalcs/id1584676007)

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.

**Highlights:** Unit conversions for nursing, Calculate medication dosage, Based on mg per kg, Uses mg/ml concentration, Quick calculations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CMC Field Guide free?

CMC Field Guide is free to download, with no in-app purchases.

### Is NurseCalcs free?

NurseCalcs is free to download, with no in-app purchases.

### Which has better reviews, CMC Field Guide or NurseCalcs?

CMC Field Guide and NurseCalcs are both rated 4.0 out of 5 on the App Store, from 24 and 4 ratings respectively.

### Do CMC Field Guide or NurseCalcs have ads?

Neither CMC Field Guide nor NurseCalcs shows ads.

### Which is updated more often, CMC Field Guide or NurseCalcs?

CMC Field Guide ships an update every 3 months, and NurseCalcs every 5 days. Most recently, CMC Field Guide was updated on October 16, 2026 and NurseCalcs on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*