# CMC Field Guide vs QM Secure

The clearest difference is review sentiment: CMC Field Guide at 78% against QM Secure's 0%. CMC Field Guide also leads on rating (4.0 vs 1.0) and update cadence (every 3 months vs every 18 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 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 3, 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 QM Secure's.

CMC Field Guide ships an update every 3 months, QM Secure every 18 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CMC Field Guide | QM Secure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (24 ratings)](https://appshunter.io/ios/app/cmc-field-guide/id426955029/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/qm-secure/id672306164/reviews) |
| Number of ratings | **24** | 3 |
| Positive reviews | **77.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 18 months |
| Monetization | Free | Free |
| Size | 36 MB | 1 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CMC Rescue, Inc.](https://appshunter.io/developer/426955032) | [Questionmark Computing Limited](https://appshunter.io/developer/538427522) |

## 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


### QM Secure

[App page](https://appshunter.io/ios/app/qm-secure/id672306164)

This secure browser is designed for taking online tests and exams. It prevents cheating by disabling features like task-switching and screen captures, ensuring a fair assessment environment.

**Highlights:** Secure testing environment, Prevents cheating, Disables task-switching, Blocks screen captures, Protects content integrity, Supports online exams

**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 QM Secure free?

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

### Which has better reviews, CMC Field Guide or QM Secure?

CMC Field Guide is rated higher. CMC Field Guide averages 4.0 out of 5 from 24 ratings, while QM Secure averages 1.0 from 3 ratings.

### Do CMC Field Guide or QM Secure have ads?

Neither CMC Field Guide nor QM Secure shows ads.

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

CMC Field Guide ships an update every 3 months, and QM Secure every 18 months. Most recently, CMC Field Guide was updated on October 16, 2026 and QM Secure on October 14, 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.*