# CMC Field Guide vs Pops Popcorn

The clearest difference is update cadence: CMC Field Guide at every 3 months against Pops Popcorn's every 22 months. Pops Popcorn's advantage is iOS requirement (13.4 vs 15.1). On price, ads, in-app purchases and device support 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 ships an update every 3 months, Pops Popcorn every 22 months. The most recent releases landed on June 10, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | CMC Field Guide | Pops Popcorn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (24 ratings)](https://appshunter.io/ios/app/cmc-field-guide/id426955029/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 77.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 22 months |
| Monetization | Free | — |
| Size | 36 MB | 11 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CMC Rescue, Inc.](https://appshunter.io/developer/426955032) | [GrubMarket, Inc](https://appshunter.io/developer/961362132) |

## 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


### Pops Popcorn

[App page](https://appshunter.io/ios/app/pops-popcorn/id1643233456)

**Features:** macOS Compatibility

**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 Pops Popcorn free?

Pops Popcorn is free to download, with no in-app purchases.

### Do CMC Field Guide or Pops Popcorn have ads?

Neither CMC Field Guide nor Pops Popcorn shows ads.

### Which is updated more often, CMC Field Guide or Pops Popcorn?

CMC Field Guide ships an update every 3 months, and Pops Popcorn every 22 months. Most recently, CMC Field Guide was updated on June 10, 2026 and Pops Popcorn on May 17, 2026.

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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.*