# CMC Field Guide vs CasCalc Calculator

The clearest difference is price: CMC Field Guide at Free against CasCalc Calculator's $4.99. CMC Field Guide also leads on ratings volume (24 vs 1) and device support (3 vs 1). CasCalc Calculator's advantage is rating (5.0 vs 4.0) and review sentiment (100% vs 77%). On ads and in-app purchases there is nothing between them.

CMC Field Guide is free to download; CasCalc Calculator costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CasCalc Calculator holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: CMC Field Guide has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 77% of CMC Field Guide's written reviews are positive against 100% of CasCalc Calculator's.

## The numbers

| Metric | CMC Field Guide | CasCalc Calculator |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.0 (24 ratings)](https://appshunter.io/ios/app/cmc-field-guide/id426955029/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cascalc-calculator/id6800546161/reviews)** |
| Number of ratings | **24** | 1 |
| Positive reviews | 77.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | **Free** | Paid |
| Size | 36 MB | 27 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CMC Rescue, Inc.](https://appshunter.io/developer/426955032) | [铭泽 王](https://appshunter.io/developer/6800528650) |

## 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


### CasCalc Calculator

[App page](https://appshunter.io/ios/app/cascalc-calculator/id6800546161)

This powerful calculator offers exact symbolic answers for complex mathematical operations like integration, simplification, and equation solving. It features a specialized keyboard for natural input and textbook-style rendering, ideal for advanced users.

**Highlights:** Exact symbolic answers, Indefinite integrals and derivatives, Algebraic simplification, Equation solvers, Customizable variables and functions, Calculation history

**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 CasCalc Calculator free?

CasCalc Calculator costs $4.99, with no in-app purchases.

### Which has better reviews, CMC Field Guide or CasCalc Calculator?

CasCalc Calculator is rated higher. CMC Field Guide averages 4.0 out of 5 from 24 ratings, while CasCalc Calculator averages 5.0 from 1 ratings.

### Do CMC Field Guide or CasCalc Calculator have ads?

Neither CMC Field Guide nor CasCalc Calculator shows ads.

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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.*