# IVOLV vs MTN Field Guide

The clearest difference is ads: MTN Field Guide at none against IVOLV's shown. MTN Field Guide also leads on update cadence (every 2 days vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IVOLV ships an update every 6 weeks, MTN Field Guide every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IVOLV | MTN Field Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/mtn-field-guide/id6771962439/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 98 MB | 28 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [David Rintala](https://appshunter.io/developer/1817706333) | [Ryan Armstrong](https://appshunter.io/developer/6771962441) |

## What reviewers say

### IVOLV

[App page](https://appshunter.io/ios/app/ivolv/id6746660714)

**Features:** macOS Compatibility

**In-app purchases:** none


### MTN Field Guide

[App page](https://appshunter.io/ios/app/mtn-field-guide/id6771962439)

An offline reference and training companion for wilderness medicine. It offers field guidance, assessment support, training practice modules, and essential field tools. The app prioritizes privacy and offline functionality for trained responders and outdoor professionals.

**Highlights:** Offline wilderness medicine references, Symptom, injury, and acronym search, Structured assessment prompts, Study modules, flashcards, and scenarios, Field tools like timers and checklists, Single-draft encrypted SOAP notes, Offline functionality, no account required

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IVOLV free?

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

### Is MTN Field Guide free?

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

### Do IVOLV or MTN Field Guide have ads?

IVOLV shows ads; MTN Field Guide does not.

### Which is updated more often, IVOLV or MTN Field Guide?

IVOLV ships an update every 6 weeks, and MTN Field Guide every 2 days. Most recently, IVOLV was updated on November 5, 2026 and MTN Field Guide on October 31, 2026.

---

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