# CMC Field Guide vs Rigging Bridle Calculator+

The clearest difference is review sentiment: CMC Field Guide at 78% against Rigging Bridle Calculator+'s 0%. CMC Field Guide also leads on price (Free vs $4.99) and rating (4.0 vs 1.0). Rigging Bridle Calculator+'s advantage is update cadence (every 5 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

CMC Field Guide is free to download; Rigging Bridle Calculator+ costs $4.99 up front. 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 2, 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 Rigging Bridle Calculator+'s.

CMC Field Guide ships an update every 3 months, Rigging Bridle Calculator+ every 5 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CMC Field Guide | Rigging Bridle Calculator+ |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.0 (24 ratings)](https://appshunter.io/ios/app/cmc-field-guide/id426955029/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/rigging-bridle-calculator-plus/id6478832224/reviews) |
| Number of ratings | **24** | 2 |
| Positive reviews | **77.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | **Free** | Paid |
| Size | 36 MB | 25 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CMC Rescue, Inc.](https://appshunter.io/developer/426955032) | [Pawel Szepietowski](https://appshunter.io/developer/1734102070) |

## 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


### Rigging Bridle Calculator+

[App page](https://appshunter.io/ios/app/rigging-bridle-calculator-plus/id6478832224)

Calculate bridle leg lengths, angles, and forces for stage rigging. Includes tools for apex height, bridle point position, and load distribution on beams and cantilevers. Supports both metric and imperial units for accurate results.

**Highlights:** Calculate bridle leg lengths, Determine angle between legs, Calculate forces on bridle and structure, Calculate apex height and bridle point position, Analyze load changes on beams, Calculate cantilever load forces, Supports metric and imperial units

**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 Rigging Bridle Calculator+ free?

Rigging Bridle Calculator+ costs $4.99, with no in-app purchases.

### Which has better reviews, CMC Field Guide or Rigging Bridle Calculator+?

CMC Field Guide is rated higher. CMC Field Guide averages 4.0 out of 5 from 24 ratings, while Rigging Bridle Calculator+ averages 1.0 from 2 ratings.

### Do CMC Field Guide or Rigging Bridle Calculator+ have ads?

Neither CMC Field Guide nor Rigging Bridle Calculator+ shows ads.

### Which is updated more often, CMC Field Guide or Rigging Bridle Calculator+?

CMC Field Guide ships an update every 3 months, and Rigging Bridle Calculator+ every 5 weeks. Most recently, CMC Field Guide was updated on October 23, 2026 and Rigging Bridle Calculator+ on October 24, 2026.

---

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