CMC Field Guide vs Rigging Bridle Calculator+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CMC Field Guide
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.
- Rope rescue and access diagrams
- Reference charts
- How-to information
- Bookmark and take notes
- Offline access to downloads
- Browse equipment and tutorials
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This free App allows quick access to rope rescue and access diagrams, reference charts, how-to information, and rescue references, all from the palm of your hand while out in the field. It's packed with reference charts, diagrams, and how-to information. With the CMC Field Guide App you can: Access rescue references instantly Bookmark and take notes on your favorite sections Download videos, guides, and manuals for offline use Browse equipment and information, tutorials, and product user manuals **Note** Updating this App will give you access to all of the functionality built into the most recent version of the App. Your saved information including Notes, References, and Attachments, will be carried through into the updated version.
Rigging Bridle Calculator+
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.
- 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
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This application allows you to calculate the length of the legs, the angle between them, and the forces acting on the bridle and the elements of the structure to which it is suspended. Thanks to additional calculators, it is possible to calculate the Apex height and the position of the bridle point, changes in the load on the beam between two points, as well as the forces acting on the cantilever load, breast line horizontal forces, and several other calculations useful in arena fields. The application accepts all units of measurement, both metric and imperial (cm, m, in, ft). Whether you input values in feet or meters, the results will be accurate and consistent with the unit you used.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | CMC Field Guide | Rigging Bridle Calculator+ |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.0 (24 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 77.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 24 — better | 2 |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 36 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | CMC Rescue, Inc. | Pawel Szepietowski |
Customer experience
CMC Field Guide
Rigging Bridle Calculator+
Bugs and requests
CMC Field Guide
Reported bugs
15 issues- 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
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- Multiple glitches where pages cannot be opened
- Cannot open the app after update
- New upgrade crashes on opening items
- Could not find page all the time
- App doesn't open
- Half the tabs disappear
- Barely works (can rarely get into any of the pages)
- Add-on pop up when viewing PDF
- Poor display quality - not useful for reading
- Only M/A illustration shown is 1:1 after update
Requested features
2 requests- Enable landscape mode
- Update with latest techniques
Rigging Bridle Calculator+
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CMC Field Guide
No in-app purchases
Rigging Bridle Calculator+
No in-app purchases
Questions
Is CMC Field Guide free?
Is Rigging Bridle Calculator+ free?
Which has better reviews, CMC Field Guide or Rigging Bridle Calculator+?
Do CMC Field Guide or Rigging Bridle Calculator+ have ads?
Which is updated more often, CMC Field Guide or Rigging Bridle Calculator+?
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