# Lost Person Behavior > Search and rescue reference tool for locating missing persons with detailed subject categories. (iPhone/iPad app by dbS Productions.) - Source: https://appshunter.io/ios/app/lost-person-behavior/id958063238 (this page in markdown: same URL + `.md`) - Developer: [dbS Productions](https://appshunter.io/developer/958063237) - Category: Reference, Productivity - Price: $9.99 - Rating: 4.20/5 from 13 App Store ratings · 14 written reviews indexed - Age rating: 12+ - Requires: iOS 9.0 · 11 MB - Languages: American English - Released: 2015-02-04 - Data updated: 2026-08-24 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/lost-person-behavior/id958063238/reviews.md ## What is Lost Person Behavior? The Lost Person Behavior App is based upon the Search and Rescue (SAR) international gold standard reference tool on where to look for lost and missing persons. Every Public Safety Official needs to know where the missing person might be, what to ask, where to look, and what to do when minutes matter. The app was built around the field needs of Public Safety Officials. No matter how remote the location, the app continues to function since no network connection is required, once installed. This life-saving information is customized for 41 different subject categories. The categories are organized into a hierarchy of groups including external factors (abductions, aircraft), water incidents (boats and persons in the water), wheeled incidents (ATV, mountain bikes, vehicles, etc.), mental states (autism, dementia, despondent, intellectual disability, mental illness, substance intoxication), children (in five different age groups), and eighteen outdoor activities (hiker, hunter, climber, gatherer, skier, etc.). The app guides the user in selecting the correct subject category by several means. The subject category wizard allows the user to select potential scenarios and then will suggest the best match for the subject category. For example, if a child was riding his bicycle and was then known to be abducted, the user could select Child, Wheel/Motorized, and Abduction; the wizard would suggest using the abduction category. Alternately, the user can go straight to a subject category by using favorites, an alphabetical list, or the hierarchy list. Once the subject category is selected, the Lost Person Behavior App provides the user with: • behavioral profiles • tactical briefings • specific investigative questions • spatial and survival statistics • suggestions for initial tasks (reflex tasking). The all-new tactical briefings distill the statistics and profiles to the key points that every field searcher must know. The more extensive profile, full statistics, and suggested initial tasks assist even the seasoned search planner. The highly detailed questions for the investigation resulted from decades of SAR experience and thousands of missions. The app even allows you to email a checklist of these critical tasks and interview questions so that you may print them out. The email could also be used for providing remote support or documenting tasks that have been completed. Determining where to look is one of the major functions of the search statistics, which are now provided in a graphical and tabular format. The statistics from thousands of SAR missions allow the search planner to see where similar previous search subjects were found. The SAR statistics include: • Distance from the Initial Planning Point • Elevation model (likelihood of going up, down, or staying at the same elevation) • Mobility model (how long will the subject keep moving) • Dispersion angle (given a direction of travel, how well does that predict subject’s location) • Track Offset model (how far away from a feature such as a road or trail is subject found) • Find location (at what type of geographic feature was the subject found) • Scenario (what caused the subject to become missing) • Survivability overall (what is the overall chance of finding the subject alive or injured) • Survivability rate (how does survivability rate change in 24-hour increments). The Lost Person Behavior App can be easily customized to only show the statistical information you actually need. The user can customize for ecoregion, terrain, and urban incidents. The user can view the data in both metric and English units. Several additional helpful tools are built into the app. Contextual help is provided on every page with additional information boxes, which explain every element of the app on the page you need. The information page provides information about the bike wheel model used to describe initial tactical deployment (reflex tasking), a glossary, help, and contact information. ## Key features - 41 subject categories - Subject category wizard - Behavioral profiles - Tactical briefings - Investigative questions - Spatial and survival statistics - Offline functionality ## Chart rankings - #21 in Top Paid · Reference (US App Store) ## Recent user reviews (10 of 14) All indexed reviews: https://appshunter.io/ios/app/lost-person-behavior/id958063238/reviews.md ### 3/5 — Cut off content *2026-06-18* Purchased this app today for a Lost Person Behavior class. When using the app for an exercise, I came to learn almost all of investigative questions and search reflex tasks are cut off, I.e. the text extends beyond the edge of the screen, and cannot be read or expanded. This happens in both portrait and landscape mode. This make the app less useful than the book. There needs to be a way to expand this information. So the whole text is readable or make the font scalable to fit the areas. ### 5/5 — Excellent App *2024-01-11* There is nothing out there like this. Strong recommendation. Used several times to find people. ### 5/5 — Extremely Useful *2023-04-23* I am a volunteer for a search and recovery group and have participated in nearly 100 searches. I read the book, found it useful but not convenient. The app is always with me and easy to check. A year or two ago I was frustrated after a search, bought this app, then compared its ideas to two recent searches. The app was spot on, and likely would have allowed us to find the remains in half the time. I have since recommended it to other searchers and iits nearly a standard piece of equipment. ### 3/5 — Good info but… *2022-09-22* The information is great. Reviewed in case studies after searches. However, this could be much more useful if you could input data and build a victim profile that can be shared among your SAR team. Please make this more utilitarian. ### 5/5 — Essential search & rescue data *2021-02-22* If you are a S.A.R. manager or volunteer, this is money well spent! Have been using this app since its creation, and before that Bobs LPB book. I couldn’t imagine running a S.A.R. op without it. Brilliant!! ### 5/5 — Great Tool with pertinent info for planning *2019-06-01* A great tool with the core information you need in the field. It should be seen as a “always with you” complement to the book. This is not a replacement for the book, which has much more than the subject profiles. Get the book, take the class (if you can), then get this app if you are a SAR operator. ### 2/5 — Not what I expected *2018-02-01* The book the app is based on is great and very useful. The app provides the same info but in a less user friendly format. I figured for $10 I would be able to enter real life search info in and get charts or maps with search info. Buy the book or the app but not both. I definitely feel like I wasted $10. Luckily I appreciate the work that went into the book so I'll chock it up to money donated to a good cause. ### 5/5 — Lost Person Behavior *2017-03-19* As a search and rescue instructor and practitioner I can't stress enough the importance of understanding LPB. The LPB course is outstanding and the LPB book, and now the app, are an invaluable tool for those in the search and rescue and law enforcement field. ### 3/5 — Doesn't help direct or communicate rescue information. *2016-11-08* I do not know who to engage and how to usefully organize information so that my lost children can be rescued. Bottom line: I have found nothing but frustrating dead ends in my attempt to rescue my children. ### 5/5 — Great app *2015-12-07* This really is a helpful app it would be great if you could choose what country you were in but maybe the stats wouldn't change that much. Im new to this app but so far it's really helpful. Please keep updating. 👍 thank you.( SAR Team in UK ) ## Frequently asked questions about Lost Person Behavior ### What is Lost Person Behavior? Lost Person Behavior is a reference app designed for search and rescue operations. It provides guidance on where to search for missing persons, what questions to ask, and what actions to take, based on extensive data and SAR experience. ### Does Lost Person Behavior work offline? Yes, Lost Person Behavior functions offline once installed. This ensures its reliability in remote locations where network connectivity may be unavailable. ### How many subject categories does Lost Person Behavior cover? Lost Person Behavior customizes life-saving information for 41 different subject categories. These are organized into groups such as abductions, water incidents, wheeled incidents, mental states, children, and various outdoor activities. ### What kind of information does Lost Person Behavior provide after selecting a subject category? Once a subject category is selected, the app offers behavioral profiles, tactical briefings, specific investigative questions, spatial and survival statistics, and suggestions for initial tasks. ### Can I share information from Lost Person Behavior? Yes, the app allows you to email a checklist of critical tasks and interview questions. This can be used for printing, providing remote support, or documenting completed tasks. ### How does Lost Person Behavior help determine where to look? The app utilizes search statistics from thousands of SAR missions to help determine where to look. These statistics are presented graphically and in tabular format, showing where similar previous subjects were found. ### What is the price of Lost Person Behavior? Lost Person Behavior is a paid application priced at $9.99. It is a one-time purchase for access to all its features. ### What devices is Lost Person Behavior available on? Lost Person Behavior is available on iPhone, iPad, and iPod devices. It is designed for iOS users. ## Version history (last 5 releases) ### 1.0.9 — 2018-07-03 This update from Apple will improve the functionality of this app. No new features are included. Updated Bug fix for missing Subject Profiles ### 1.0.8 — 2016-01-22 Minor bug fixes ### 1.0.7 — 2015-11-26 minor display fixes ### 1.0.6 — 2015-11-24 iOS 9.x routing glitch fix ### 1.0.3 — 2015-02-02 Version 1.0 is now available! ## Apps similar to Lost Person Behavior | App | Rating | Price | Category | | --- | --- | --- | --- | | [DRONERESPONDERS](https://appshunter.io/ios/app/droneresponders/id6746153051) | — | Free | Reference | | [ICS Dashboard](https://appshunter.io/ios/app/ics-dashboard/id6448768381) | 3.8 (5) | Free | Reference | | [DRR Rescue](https://appshunter.io/ios/app/drr-rescue/id570611259) | 4.9 (518) | $19.99 | Reference | | [Public Safety Library](https://appshunter.io/ios/app/public-safety-library/id1593251905) | 5.0 (3) | Free | Reference | | [AskRail](https://appshunter.io/ios/app/askrail/id1142325064) | 4.1 (37) | Free | Reference | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*