Active Defender vs MyUmsi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Active Defender
This app provides real-time emergency maps to reduce chaos and confusion during critical incidents. It offers instant visual guidance for students, staff, and first responders, ensuring everyone knows what to do and where to go. It facilitates communication and provides crucial information for swift and effective emergency response.
- Real-time emergency map
- Instant multistory mapping
- Emergency alerts
- Real-time chat communication
- Crisis location and nature
- Campus-wide information sharing
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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!
MyUmsi
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MyUmsi is the official mobile app for members of the National Association of University-Model Schools (NAUMS) — a community of educational institutions that blend the best of classroom and home learning. Connect with your school community wherever you are: • HOME — At-a-glance view of upcoming events, recent announcements, and your school's status. • SCHOOLS — Browse every member school on an interactive map, view their accreditations and details, and find Heads of School and key contacts. • ANNOUNCEMENTS — Stay current with policy updates, news, education resources, and event announcements from NAUMS leadership. Filter by topic and favorite the ones that matter most to you. • EVENTS — RSVP to annual summits, regional meetings, webinars, and training sessions. • DOCUMENTS — Access the NAUMS document library — policies, templates, training materials, and forms — whenever you need them. • NOTIFICATIONS — Fine-grained control over what you're notified about. Toggle categories (Announcements, Invoices, Events) and set quiet hours for your time zone. Designed for Heads of School, administrators, teachers, and staff at NAUMS member schools. Sign in is required — accounts are issued by your school administrator or the NAUMS office. For account help, contact support@naums.org.
Screenshots
Verdict
Active Defender and MyUmsi are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 23, 2026 and September 6, 2026 respectively.
| Parameter | Active Defender | MyUmsi |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (54 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 54 — better | — |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 214 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | MMOJ | RADIUS OPERATIONS GROUP LLC |
In-app purchases
Active Defender
No in-app purchases
MyUmsi
No in-app purchases
Questions
Is Active Defender free?
Is MyUmsi free?
Do Active Defender or MyUmsi have ads?
Which is updated more often, Active Defender or MyUmsi?
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