# Lost Person Behavior vs Decon Field Guide

The clearest difference is review sentiment: Lost Person Behavior at 71% against Decon Field Guide's 0%. Lost Person Behavior also leads on ads (none vs shown) and chart position (#93 vs unranked). Decon Field Guide's advantage is price (Free vs $9.99) and rating (4.6 vs 4.2). On ratings volume, update cadence, in-app purchases and device support there is nothing between them.

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

Decon Field Guide holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 13 and 8 respectively. Written reviews complicate that: 71% of Lost Person Behavior's written reviews are positive against 0% of Decon Field Guide's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Lost Person Behavior | Decon Field Guide |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.2 (13 ratings)](https://appshunter.io/ios/app/lost-person-behavior/id958063238/reviews) | **[4.6 (8 ratings)](https://appshunter.io/ios/app/decon-field-guide/id1388378944/reviews)** |
| Number of ratings | **13** | 8 |
| Positive reviews | **71.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | **Ad-supported** |
| Best chart rank | **#93** | — |
| Size | 11 MB | 73 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [dbS Productions](https://appshunter.io/developer/958063237) | [First Line Technology, LLC](https://appshunter.io/developer/1388378943) |

## What reviewers say

### Lost Person Behavior

[App page](https://appshunter.io/ios/app/lost-person-behavior/id958063238)

**Currently charting:** #93 Top Paid · Reference (US App Store)

This app provides critical information for search and rescue operations, guiding officials on where to look for missing persons. It offers detailed behavioral profiles, tactical briefings, and investigative questions tailored to 41 subject categories. The app functions offline, making it reliable in remote locations.

**Highlights:** 41 subject categories, Subject category wizard, Behavioral profiles, Tactical briefings, Investigative questions, Spatial and survival statistics, Offline functionality

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Lost Person Behavior free?

Lost Person Behavior costs $9.99, with no in-app purchases.

### Is Decon Field Guide free?

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

### Which has better reviews, Lost Person Behavior or Decon Field Guide?

Decon Field Guide is rated higher. Lost Person Behavior averages 4.2 out of 5 from 13 ratings, while Decon Field Guide averages 4.6 from 8 ratings.

### Do Lost Person Behavior or Decon Field Guide have ads?

Decon Field Guide shows ads; Lost Person Behavior does not.

### Which is updated more often, Lost Person Behavior or Decon Field Guide?

Lost Person Behavior ships an update every 2 months, and Decon Field Guide every 2 months. Most recently, Lost Person Behavior was updated on October 8, 2026 and Decon Field Guide on October 7, 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.*