# Decon Field Guide vs ARS FOG

The clearest difference is price: Decon Field Guide at Free against ARS FOG's $9.99. Decon Field Guide also leads on iOS requirement (15.1 vs 18.2). ARS FOG's advantage is ads (none vs shown) and chart position (#52 vs unranked). On in-app purchases and device support there is nothing between them.

Decon Field Guide is free to download; ARS FOG costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Decon Field Guide | ARS FOG |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/decon-field-guide/id1388378944/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Ad-supported | — |
| Best chart rank | — | **#52** |
| Size | 73 MB | 68 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [First Line Technology, LLC](https://appshunter.io/developer/1388378943) | [Advanced Rescue Solutions](https://appshunter.io/developer/1892172710) |

## What reviewers say

### Decon Field Guide

[App page](https://appshunter.io/ios/app/decon-field-guide/id1388378944)

This reference app provides quick and efficient decontamination methods for hundreds of threats. It features a classic Threat Index, pictorial instructions, and an in-app dwell timer to guide users through mission execution. Designed for approved users, it aims to make anyone an instant decontamination expert.

**Highlights:** Threat Index for decontamination methods, Pictorial instructions, In-app dwell timer, Covers hundreds of threats, Designed for approved users

**Features:** macOS Compatibility

**In-app purchases:** none


### ARS FOG

[App page](https://appshunter.io/ios/app/ars-fog/id6761950939)

**Currently charting:** #52 Top Paid · Reference (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decon Field Guide free?

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

### Is ARS FOG free?

ARS FOG costs $9.99, with no in-app purchases.

### Do Decon Field Guide or ARS FOG have ads?

Decon Field Guide shows ads; ARS FOG does not.

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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.*