# CMC Field Guide vs Sinirji Responder

The clearest difference is update cadence: Sinirji Responder at fortnightly against CMC Field Guide's every 3 months. Sinirji Responder also leads on iOS requirement (10.0 vs 15.1). On price, rating, ratings volume and ads 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 holds the better App Store score, 4.0 against 3.9. Both are backed by a comparable volume of ratings — 24 and 9 respectively.

CMC Field Guide ships an update every 3 months, Sinirji Responder fortnightly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CMC Field Guide | Sinirji Responder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (24 ratings)](https://appshunter.io/ios/app/cmc-field-guide/id426955029/reviews)** | [3.9 (9 ratings)](https://appshunter.io/ios/app/sinirji-responder/id1317597549/reviews) |
| Number of ratings | **24** | 9 |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 36 MB | 33 MB |
| Requires iOS | 15.1 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CMC Rescue, Inc.](https://appshunter.io/developer/426955032) | [Symposium Technologies Inc](https://appshunter.io/developer/1317597548) |

## 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


### Sinirji Responder

[App page](https://appshunter.io/ios/app/sinirji-responder/id1317597549)

This application provides registered users of a specific platform with real-time access to active events and allows them to indicate their response. It organizes teams into groups based on tasks and events, centralizing all information and activity tracking for secure, intelligent, and real-time sharing.

**Highlights:** Real-time event access, Response indication, Team organization by task/event, Centralized info and activity tracking, Secure real-time sharing

**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 Sinirji Responder free?

Sinirji Responder is free to download, with no in-app purchases.

### Which has better reviews, CMC Field Guide or Sinirji Responder?

CMC Field Guide is rated higher. CMC Field Guide averages 4.0 out of 5 from 24 ratings, while Sinirji Responder averages 3.9 from 9 ratings.

### Do CMC Field Guide or Sinirji Responder have ads?

Neither CMC Field Guide nor Sinirji Responder shows ads.

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

CMC Field Guide ships an update every 3 months, and Sinirji Responder fortnightly. Most recently, CMC Field Guide was updated on October 23, 2026 and Sinirji Responder on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*