# Active Defender — School Safety App

> Real-time emergency mapping and communication for schools and businesses. (iPhone/iPad app by MMOJ.)

- Source: https://appshunter.io/ios/app/active-defender/id1436872758 (this page in markdown: same URL + `.md`)
- Developer: [MMOJ](https://appshunter.io/developer/394675746)
- Category: Education, Utilities
- Price: Free
- Rating: 4.90/5 from 54 App Store ratings · 37 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 214 MB
- Languages: American English
- Released: 2019-02-01
- Data updated: 2026-07-25
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/active-defender/id1436872758/reviews.md

## What is Active Defender?

Imagine there is an emergency at a school or a business. During emergencies, there can be a lot of chaos and confusion.

Active Defender provides a real-time emergency map that removes the confusion. Everyone can know where to go and what to do regardless of the emergency.

IMPORTANT!
To use this app in your school or business, make sure they have a cooperate Active Defender account. You will get a login from your school or school district to fully login, connect, and participate with this app.

Active Defender can INSTANTLY provide a multistory emergency map:
To First Responders
To Students
To Staff
To Vistors
Everyone can know what to do and where to go!

Active Defender’s purpose is to provide clarity and remove chaos while making sure everyone knows what the problem is and where the problem is relative to where they are located. WHY? Because you only make good decisions based on what you know and where you are.

Focus on “safety and security is everyone’s responsibility.”

Whether there is a fight, fire, active shooter, medical emergency, or extreme weather event, Active-Defender gives real-time, life-saving information to everyone that needs to know.

Active-Defender allows you to:

- Warn other staff members, school resource officers, and first responders with the touch of a button that an emergency is taking place.

- Receive map alerts as to the exact nature and location of the crisis.

- Use the chat window to engage in real-time communication with responders.

- Provide details to others on your campus while simultaneously giving first responders the information they need to respond with speed and precision.

Active-Defender:
Saves Time - Provides Clarity - Saves Lives!

## Key features

- Real-time emergency map
- Instant multistory mapping
- Emergency alerts
- Real-time chat communication
- Crisis location and nature
- Campus-wide information sharing

## Recent user reviews (10 of 37)

All indexed reviews: https://appshunter.io/ios/app/active-defender/id1436872758/reviews.md

### 5/5 — Peace of Mind

*2023-10-19, version 5.17*

As an administrator AD gives me a peace of mind that as a campus we will have clear and quick communication in the event of an emergency. The support is also incredible! 5 stars!

### 5/5 — Passion for Safety

*2023-10-19, version 5.17*

We have been using Active Defender at our school for a couple of years now.  We have our staff drill on it every month to reinforce their muscle memory.  Though we haven’t had to use it in an actual emergency, I have no doubt our staff is well prepared should the need arise.  The staff at Active Defender is extremely passionate about safety and are always quick to respond any time we have ever had to reach out to them.  I highly recommend them!

### 5/5 — Fantastic Application

*2023-09-21, version 5.17*

I’m an SRO and our school of over 1100 students uses this application and it is so great for minute to minute communication about any emergencies at our campus. 100% satisfied, exceeded my expectations.

### 5/5 — Peace of mind for our staff.

*2023-09-18*

Our staff really appreciates how Active Defender allows them to communicate in an emergency. Making sure all the teachers have the right information so that they can always make the right decision provides peace of mind only to me but to the staff. I also believe the anonymous reporting is going to be a game changer for us.

### 5/5 — A much needed program for all school!!!

*2023-08-23, version 5.12*

Our school just started using this program, and so far, it has been a valuable tool.

### 5/5 — A much needed program for all school!!!

*2023-08-17*

Our school just started using this program, and so far, it has been a valuable tool.

### 5/5 — Excellent program!!!

*2023-08-17, version 5.11*

School administrator and this program is excellent for emergency alerts! Highly recommend.

### 5/5 — Operations

*2023-07-25, version 5.06*

Only takes 7 seconds to know what and where the threat is!

### 5/5 — Life Saving Device!

*2023-05-16, version 5.06*

We are using this at my school - it is a great app, very easy to use, and makes us all feel safer!

### 5/5 — -

*2023-05-10, version 5.06*

My school uses this!

## Frequently asked questions about Active Defender

### What does Active Defender do?

Active Defender provides a real-time emergency map and communication system designed to reduce chaos and confusion during critical incidents in schools and businesses. It offers instant visual guidance and information to students, staff, and first responders, ensuring everyone knows what to do and where to go.

### How does Active Defender help during an emergency?

During an emergency, Active Defender provides a multistory emergency map that shows the exact nature and location of the crisis. It allows users to receive alerts, communicate in real-time with responders via a chat window, and share crucial details about the situation on campus.

### Is Active Defender free to use?

The application itself is free to download and use. However, to fully utilize its features, your school or business must have a corporate Active Defender account. You will receive login credentials from your institution to connect and participate.

### What types of emergencies can Active Defender handle?

Active Defender is designed to provide clarity and life-saving information for a wide range of emergencies, including fights, fires, active shooter situations, medical emergencies, and extreme weather events. It aims to provide real-time information regardless of the specific crisis.

### Who can use Active Defender?

Active Defender is intended for use by students, staff, and visitors within an organization that has a corporate account. It also provides critical information to first responders, enabling them to act with speed and precision.

## Version history (last 5 releases)

### 6.01 — 2026-07-22

Update for efficiency and small bug fixes so that you don't have any problems.

### 5.57 — 2026-02-25

Improved performance when Anonymous login is allowed.
Small bug fixes for compatibility.

### 5.55 — 2026-02-05

Update fixed a few small issues and improved the efficiency.

### 5.52 — 2025-08-28

Easily manage and move between multiple campuses, receiving alerts from each in real time all in one place.

### 5.50 — 2025-08-03

Ability to move between multiple campuses.
Works in conjunction with new panic buttons.

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## More apps by MMOJ

- [Praying](https://appshunter.io/ios/app/praying/id1519540098)
- [CollegeNext](https://appshunter.io/ios/app/collegenext/id6446786572)
- [Active Defender Check In](https://appshunter.io/ios/app/active-defender-check-in/id6503947731)

All apps by MMOJ: https://appshunter.io/developer/394675746

## Related topics

[centegix crisis alert system app](https://appshunter.io/ios/topics/centegix-crisis-alert-system-app) · [school safety app](https://appshunter.io/ios/topics/school-safety-app)

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*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 2026-07-25.*