Comparison

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.

Head to head
About

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.

Highlights
  • Rope rescue and access diagrams
  • Reference charts
  • How-to information
  • Bookmark and take notes
  • Offline access to downloads
  • Browse equipment and tutorials
Features
Read full description

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.

About

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.

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
Read full description

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

CMC Field Guide3 screens
Rigging Bridle Calculator+4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
CMC Field Guide versus Rigging Bridle Calculator+: the parameters behind the verdict, then further details
ParameterCMC Field GuideRigging Bridle Calculator+
PriceFree — better$4.99
Rating4.0 (24 ratings) — better1.0 (2 ratings)
Positive reviews77.8% of reviews — better0.0% of reviews
Number of ratings24 — better2
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size36 MB25 MB
Age rating4+4+
DeveloperCMC Rescue, Inc.Pawel Szepietowski

Customer experience

CMC Field Guide

All ratings24 ratings
Positive66.7%
Neutral20.8%
Negative12.5%
Written reviews63 reviews
Positive77.8%
Neutral3.2%
Negative19.0%

Rigging Bridle Calculator+

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive0.0%
Neutral25.0%
Negative75.0%

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
Show 10 more
  • 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

None

CMC Field Guide

No in-app purchases

None

Rigging Bridle Calculator+

No in-app purchases

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.

Other comparisons