# CMC Field Guide vs IPSDI Exposure Tracker

The clearest difference is rating: IPSDI Exposure Tracker at 4.9 against CMC Field Guide's 4.0. IPSDI Exposure Tracker also leads on update cadence (every 8 days vs every 3 months). CMC Field Guide's advantage is review sentiment (78% vs 55%). On price, ratings volume, 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.

IPSDI Exposure Tracker holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 24 and 38 respectively. Written reviews complicate that: 78% of CMC Field Guide's written reviews are positive against 55% of IPSDI Exposure Tracker's, so the app with the better star average is not the one people write more warmly about.

CMC Field Guide ships an update every 3 months, IPSDI Exposure Tracker every 8 days. The most recent releases landed on October 23, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CMC Field Guide | IPSDI Exposure Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (24 ratings)](https://appshunter.io/ios/app/cmc-field-guide/id426955029/reviews) | **[4.9 (38 ratings)](https://appshunter.io/ios/app/ipsdi-exposure-tracker/id1457260349/reviews)** |
| Number of ratings | 24 | **38** |
| Positive reviews | **77.8% of reviews** | 55.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 36 MB | 14 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CMC Rescue, Inc.](https://appshunter.io/developer/426955032) | [International Public Safety Data Institute](https://appshunter.io/developer/1457260348) |

## 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


### IPSDI Exposure Tracker

[App page](https://appshunter.io/ios/app/ipsdi-exposure-tracker/id1457260349)

This app helps firefighters meticulously record and track personal exposures encountered during their duties. It offers a streamlined interface for documenting incidents, ensuring a reliable record for future reference. Developed by a public safety data science organization, it aims to enhance firefighter safety through data documentation.

**Highlights:** Track individual exposures, Record incident details, Maintain a personal exposure log, Simplified modern interface, Developed by public safety experts

**Features:** macOS Compatibility, Vision Pro support

**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 IPSDI Exposure Tracker free?

IPSDI Exposure Tracker is free to download, with no in-app purchases.

### Which has better reviews, CMC Field Guide or IPSDI Exposure Tracker?

IPSDI Exposure Tracker is rated higher. CMC Field Guide averages 4.0 out of 5 from 24 ratings, while IPSDI Exposure Tracker averages 4.9 from 38 ratings.

### Do CMC Field Guide or IPSDI Exposure Tracker have ads?

Neither CMC Field Guide nor IPSDI Exposure Tracker shows ads.

### Which is updated more often, CMC Field Guide or IPSDI Exposure Tracker?

CMC Field Guide ships an update every 3 months, and IPSDI Exposure Tracker every 8 days. Most recently, CMC Field Guide was updated on October 23, 2026 and IPSDI Exposure Tracker on November 3, 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.*