# Mark43 OnScene vs Acadis

The clearest difference is update cadence: Mark43 OnScene at every 2 weeks against Acadis's every 2 months. Acadis's advantage is iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Mark43 OnScene ships an update every 2 weeks, Acadis every 2 months. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Mark43 OnScene | Acadis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (14 ratings)](https://appshunter.io/ios/app/mark43-onscene/id1589516697/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 357 MB | 43 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Mark43](https://appshunter.io/developer/1324797261) | [Envisage Technologies, LLC](https://appshunter.io/developer/1136805444) |

## What reviewers say

### 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


### Acadis

[App page](https://appshunter.io/ios/app/acadis/id6743498840)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mark43 OnScene free?

Mark43 OnScene is free to download, with no in-app purchases.

### Is Acadis free?

Acadis is free to download, with no in-app purchases.

### Do Mark43 OnScene or Acadis have ads?

Neither Mark43 OnScene nor Acadis shows ads.

### Which is updated more often, Mark43 OnScene or Acadis?

Mark43 OnScene ships an update every 2 weeks, and Acadis every 2 months. Most recently, Mark43 OnScene was updated on October 11, 2026 and Acadis on October 7, 2026.

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