# ASIM Checklist > Active shooter incident management checklist for first responders. (iPhone/iPad app by C3 Pathways, Inc.) - Source: https://appshunter.io/ios/app/asim-checklist/id1356590327 (this page in markdown: same URL + `.md`) - Developer: [C3 Pathways, Inc](https://appshunter.io/developer/1356590326) - Category: Business - Price: Free - Rating: 5.00/5 from 3 App Store ratings - Age rating: 4+ - Requires: iOS 16.1 · 48 MB - Languages: American English - Released: 2018-03-10 - Data updated: 2026-06-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/asim-checklist/id1356590327/reviews.md ## What is ASIM Checklist? Active Shooter Incident Management Checklist Active Shooter Incident Management Checklist for law enforcement, fire, and EMS The Active Shooter Incident Management Checklist™ is designed for basic complexity through moderate complexity Active Shooter Events for law enforcement, fire, and EMS responders. The ASIM Checklist lays out responsibilities from the first arriving law enforcement officer through follow-on officers, fire and EMS responders, and supervisors. The ASIM Checklist identifies essential tasks to perform and sequences them in a logical order. The ASIM Checklist is suitable for most communities, but each agency must evaluate if the Checklist is appropriate for their community, their staffing, and their risk. Additional Information This application is an electronic version of the paper Active Shooter Incident Management Checklist™ published on the C3 Pathways web site, where additional information is available. ASIM Checklist Home (Go to Link: http://c3pathways.com/asc) Paper ASIM Checklist (PDF) ASIM Checklist Help Guide (PDF 24 pages) explains usage and terminology Obtaining Copyright Usage Permission Use of the Active Shooter Incident Management Checklist™ requires authorization and written permission. There is no charge to use the Checklist (yes, IT IS A FREE Checklist; no cost), BUT you must receive WRITTEN PERMISSION from C3 Pathways to use it. There is a quick and simple form on the web site that will immediately email you Copyright Permission after you submit. Copyright Clearance Form (Go to Link: http://c3pathways.com/asc/copyright) How to Use The ASIM Checklist is sequenced based on arrival of resources. The entry point of the Checklist is labeled START HERE and denoted with a gold dashed line around it. Touch an item ONCE to complete (check mark) Touch an item TWICE to defer (red circle) Display deferred list by touching icon upper-right of screen Navigate to a sub checklist by touching a LINKED ITEM Menu options View Organizational Chart Table of Contents Start Over Contact Info Caution Users are CAUTIONED that the statements contained herein may not be relevant or appropriate for their agency or region. Any new procedure or procedural change should be validated locally PRIOR TO ADOPTION. Please refer to the full text of the Copyright Clearance form for detailed requirements for using the Active Shooter Incident Management Checklist. ©Copyright 2015-2025, C3 Pathways, Inc. All rights reserved. ## Key features - Sequenced task management - Role-based responsibilities - Logical task ordering - Electronic checklist - Offline access to checklist - Organizational chart view ## Frequently asked questions about ASIM Checklist ### What is ASIM Checklist? ASIM Checklist is an electronic version of the Active Shooter Incident Management Checklist designed for law enforcement, fire, and EMS responders. It helps manage active shooter events by sequencing essential tasks for different roles. ### Is ASIM Checklist free to use? Yes, ASIM Checklist is a free checklist. However, you must obtain written permission from C3 Pathways via their website before using it, though there is no charge for this permission. ### How do I use ASIM Checklist? The checklist is sequenced by resource arrival. Touch an item once to mark it complete, twice to defer. You can view deferred items and navigate to sub-checklists by touching linked items. ### What devices does ASIM Checklist support? ASIM Checklist is available for iPhone and iPad devices. ### How often is ASIM Checklist updated? The latest version, 1.9, was last updated on October 15, 2025. The app was initially released on March 10, 2018. ### What is the age rating for ASIM Checklist? ASIM Checklist has an age rating of 4+, making it suitable for a wide range of users. ### Does ASIM Checklist have ads? No, ASIM Checklist does not contain advertisements. It is a free application without any ad support. ### Can I get copyright permission for ASIM Checklist? Yes, you can obtain copyright usage permission by filling out a quick form on the C3 Pathways website, which will immediately email you the permission. ## Version history (last 5 releases) ### 1.9 — 2025-10-15 -Grammar corrections -Updated address and copyright information ### 1.4 — 2019-07-31 ASIM Checklist version 3.0 simplifies Incident Command transitions for Law Enforcement, fully implements the “I Love U Guys” reunification process (SRM), and adopts “Bomb Cover” and “Bomb Go” IED terminology. The ASIM Checklist app now has a one-time quick registration form that automates handling of Copyright permission for usage. ### 1.3 — 2018-05-01 Textual Changes ### 1.2 — 2018-04-06 Textual Changes ### 1.1 — 2018-03-09 C3 Pathways builds professional readiness for the future, today. We make responders better. 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User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*