# ZeroEyes vs Mark43 OnScene

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.

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

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.

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.

## The numbers

| Metric | ZeroEyes | Mark43 OnScene |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/zeroeyes/id1560323522/reviews)** | [3.6 (14 ratings)](https://appshunter.io/ios/app/mark43-onscene/id1589516697/reviews) |
| Number of ratings | 12 | **14** |
| Positive reviews | **100.0% of reviews** | 28.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 93 MB | 355 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [ZeroEyes](https://appshunter.io/developer/1488100339) | [Mark43](https://appshunter.io/developer/1324797261) |

## What reviewers say

### ZeroEyes

[App page](https://appshunter.io/ios/app/zeroeyes/id1560323522)

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:** Vision Pro support

**In-app purchases:** none


### Mark43 OnScene

[App page](https://appshunter.io/ios/app/mark43-onscene/id1589516697)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*