# CMC Field Guide vs TPG MAC

The clearest difference is review sentiment: CMC Field Guide at 78% against TPG MAC's 0%. CMC Field Guide also leads on rating (4.0 vs 3.0) and ratings volume (24 vs 6). TPG MAC's advantage is update cadence (every 3 weeks vs every 3 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 3.0. Both are backed by a comparable volume of ratings — 24 and 6 respectively. Written reviews point the same way: 78% of CMC Field Guide's written reviews are positive against 0% of TPG MAC's.

CMC Field Guide ships an update every 3 months, TPG MAC every 3 weeks. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | CMC Field Guide | TPG MAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (24 ratings)](https://appshunter.io/ios/app/cmc-field-guide/id426955029/reviews)** | [3.0 (6 ratings)](https://appshunter.io/ios/app/tpg-mac/id1275620875/reviews) |
| Number of ratings | **24** | 6 |
| Positive reviews | **77.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 36 MB | 75 MB |
| Requires iOS | **15.1** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CMC Rescue, Inc.](https://appshunter.io/developer/426955032) | [The Public Group, LLC](https://appshunter.io/developer/1216808684) |

## 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


### TPG MAC

[App page](https://appshunter.io/ios/app/tpg-mac/id1275620875)

This app allows agency users to capture images and short videos of items, tag them, and upload them to create draft items within the system. It streamlines the process of cataloging and preparing items for the agency's platform.

**Highlights:** Capture images, Record short videos, Tag items, Upload to system, Create draft items

**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 TPG MAC free?

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

### Which has better reviews, CMC Field Guide or TPG MAC?

CMC Field Guide is rated higher. CMC Field Guide averages 4.0 out of 5 from 24 ratings, while TPG MAC averages 3.0 from 6 ratings.

### Do CMC Field Guide or TPG MAC have ads?

Neither CMC Field Guide nor TPG MAC shows ads.

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

CMC Field Guide ships an update every 3 months, and TPG MAC every 3 weeks. Most recently, CMC Field Guide was updated on October 23, 2026 and TPG MAC on October 29, 2026.

---

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