# CMC Field Guide vs ShiftPro

CMC Field Guide and ShiftPro both sit at 4.0 stars, but that hides the real split: 77% of CMC Field Guide's written reviews are positive against 11% of ShiftPro's. CMC Field Guide also leads on in-app purchases (none vs 1) and device support (3 vs 1). ShiftPro's advantage is update cadence (every 2 weeks vs every 3 months). On price, rating and ads there is nothing between them.

Both are free to download. ShiftPro sells 1 in-app purchase, starting at $4.99 per year. CMC Field Guide asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.0 for CMC Field Guide against 4.1 for ShiftPro. Both are backed by a comparable volume of ratings — 24 and 7 respectively. Written reviews are what separate them: 77% of CMC Field Guide's written reviews are positive against 11% of ShiftPro's.

CMC Field Guide ships an update every 3 months, ShiftPro every 2 weeks. The most recent releases landed on June 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | CMC Field Guide | ShiftPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (24 ratings)](https://appshunter.io/ios/app/cmc-field-guide/id426955029/reviews) | **[4.1 (7 ratings)](https://appshunter.io/ios/app/shiftpro/id1545225229/reviews)** |
| Number of ratings | **24** | 7 |
| Positive reviews | **77.0% of reviews** | 11.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 36 MB | 10 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CMC Rescue, Inc.](https://appshunter.io/developer/426955032) | [Gil Estes](https://appshunter.io/developer/349882768) |

## 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


### ShiftPro

[App page](https://appshunter.io/ios/app/shiftpro/id1545225229)

Manage your complex work schedule with ease. This app offers a customizable shift calendar, holiday tracking, and detailed notes. Upgrade for advanced features like shift swaps and multiple profiles.

**Highlights:** Customizable shift configuration, Holiday tracking, Shift detail notes, Shift swaps (Premium), Multiple profiles (Premium), Overtime tracking (Premium)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $4.99 | per year |


## Frequently asked questions

### Is CMC Field Guide free?

CMC Field Guide is free to download, with no in-app purchases.

### Is ShiftPro free?

ShiftPro is free to download, with in-app purchases available.

### Which has better reviews, CMC Field Guide or ShiftPro?

ShiftPro is rated higher. CMC Field Guide averages 4.0 out of 5 from 24 ratings, while ShiftPro averages 4.1 from 7 ratings.

### Do CMC Field Guide or ShiftPro have ads?

Neither CMC Field Guide nor ShiftPro shows ads.

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

CMC Field Guide ships an update every 3 months, and ShiftPro every 2 weeks. Most recently, CMC Field Guide was updated on June 10, 2026 and ShiftPro on September 9, 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.*