Comparison

ZeroEyes vs Mark43 OnScene

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ZeroEyes

This app uses advanced computer vision to detect weapons in real-time via existing security cameras. It instantly alerts first responders and security personnel to potential threats, offering a proactive approach to public safety.

Highlights
  • Real-time weapon detection alerts
  • Map view with geo-location monitoring
  • Threat image with metadata
  • Timeline view for situation assessment
  • Push notifications for detected threats
Features
Read full description

ZeroEyes uses computer vision technology integrated with existing security cameras to provide real-time weapons detection and instantly notify first responders and security staff of an active shooter or workplace violence threat. Our platform acts as a powerful force multiplier and is the industry's only proactive solution for schools, retail stores, government buildings, and public spaces. ZeroEyes Mobile product highlights: Real-time weapon detection alerts Monitor alerts in Map view with geo-location View image of the threat with metadata Timeline view to assess the situation Alerts will include an image of the shooter and the geo-location of the shooter in real time. This information will allow first responders a proactive solution, before shots are fired. Getting started In order to login and begin passive monitoring the ZeroEyes solution must be actively monitoring the target location. ZeroEyes will then provide end-users with an endpoint and credentials to access and monitor a location, which will allow you to receive push notifications anytime a threat is detected. Notifications will show threat indicators and real time data geospatially displayed on a map. To get started, visit https://www.zeroeyes.com/request-a-demo/

About

Mark43 OnScene

This app provides critical first responder functionality for law enforcement officers in the field. It enables real-time event details, assignment acceptance, and information collection that integrates with reporting tools. Stay safe, effective, and aware with up-to-the-second alerts and secure data.

Highlights
  • Real-time event details and updates
  • Location cautions and alerts
  • Accept assignments and routing
  • Self-initiate calls with auto-location
  • View critical assignment information
  • Secure data and state-of-the-art security
Features
Read full description

Mark43 OnScene is a native mobile application that provides critical first responder functionality away from a first responder’s MDT. It is intended for first responders who already use the Mark43 First Responder CAD application on their MDTs. First responders in the field need access to features that enable them to respond to events, understand what's going on in the field, and begin collecting information that will be seamlessly integrated into report writing within the Mark43 platform. OnScene is positioned to address law enforcement first responder on-scene workflows when in the field. It gives you as a first responder tools you need to stay safe, effective, and aware. RESPONDER SAFETY Real time event details, including narrative updates and location cautions that sync between dispatch, your MDT, and your smartphone mean that you receive up to the second alerts as situations evolve. And with state of the art security features, know that information kept in the app is secure. EFFICIENT WORKFLOWS Accept assignments and routing directly from your smartphone. Self-initiate calls and auto-populate your location for events using GPS without needing to go back to use your MDT. CONTEXT-DRIVEN Engage directly with dispatch and view critical information about assignments, including realtime unit movements. View assigned events and receive critical reporting party information and location with only a few taps. ----- Mark43 OnScene requires an active user account with Mark43 CAD.

Screenshots

ZeroEyes4 screens
Mark43 OnScene4 screens

Verdict

The call

The clearest difference is review sentiment: ZeroEyes at 100% against Mark43 OnScene's 29%. ZeroEyes also leads on rating (5.0 vs 3.6) and iOS requirement (15.0 vs 18.6). Mark43 OnScene's advantage is update cadence (every 2 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ZeroEyes holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 12 and 14 respectively. Written reviews point the same way: 100% of ZeroEyes's written reviews are positive against 29% of Mark43 OnScene's.

UpkeepUpdate frequency

ZeroEyes ships an update every 2 months, Mark43 OnScene every 2 weeks. The most recent releases landed on September 14, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 6 level
ZeroEyes versus Mark43 OnScene: the parameters behind the verdict, then further details
ParameterZeroEyesMark43 OnScene
PriceFreeFree
Rating5.0 (12 ratings) — better3.6 (14 ratings)
Positive reviews100.0% of reviews — better28.6% of reviews
Number of ratings1214 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.0 — better18.6
Further details — not scored
Size93 MB355 MB
Age rating17+4+
DeveloperZeroEyesMark43

Customer experience

ZeroEyes

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Mark43 OnScene

All ratings14 ratings
Positive57.1%
Neutral7.1%
Negative35.7%
Written reviews7 reviews
Positive28.6%
Neutral14.3%
Negative57.1%

In-app purchases

None

ZeroEyes

No in-app purchases

None

Mark43 OnScene

No in-app purchases

Questions

Is ZeroEyes free?
ZeroEyes is free to download, with no in-app purchases.
Is Mark43 OnScene free?
Mark43 OnScene is free to download, with no in-app purchases.
Which has better reviews, ZeroEyes or Mark43 OnScene?
ZeroEyes is rated higher. ZeroEyes averages 5.0 out of 5 from 12 ratings, while Mark43 OnScene averages 3.6 from 14 ratings.
Do ZeroEyes or Mark43 OnScene have ads?
Neither ZeroEyes nor Mark43 OnScene shows ads.
Which is updated more often, ZeroEyes or Mark43 OnScene?
ZeroEyes ships an update every 2 months, and Mark43 OnScene every 2 weeks. Most recently, ZeroEyes was updated on September 14, 2026 and Mark43 OnScene on September 24, 2026.

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