# Marshal Eye vs Zynthio

The clearest difference is update cadence: Zynthio at fortnightly against Marshal Eye's every 5 weeks. Marshal Eye's advantage is iOS requirement (14.0 vs 16.0). 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.

Marshal Eye ships an update every 5 weeks, Zynthio fortnightly. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Marshal Eye | Zynthio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 26 MB | 5 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Think EQ Ltd](https://appshunter.io/developer/1569577817) | [Zynthio Ltd](https://appshunter.io/developer/1888201782) |

## What reviewers say

### Marshal Eye

[App page](https://appshunter.io/ios/app/marshal-eye/id6467977882)

This app helps organizations manage fire marshal cover during flexible working. It allows team members to digitally claim roles or areas during a fire event, providing real-time visibility for the response team. Features include live messaging, time-stamped actions, and issue reporting for efficient incident management.

**Highlights:** Digital role and area claiming, Real-time response team visibility, Live messaging during incidents, Time-stamped task completion, Fire safety issue reporting, Customizable roles and tasks

**In-app purchases:** none


### Zynthio

[App page](https://appshunter.io/ios/app/zynthio/id6769412926)

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

**In-app purchases:** none


## Frequently asked questions

### Is Marshal Eye free?

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

### Is Zynthio free?

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

### Do Marshal Eye or Zynthio have ads?

Neither Marshal Eye nor Zynthio shows ads.

### Which is updated more often, Marshal Eye or Zynthio?

Marshal Eye ships an update every 5 weeks, and Zynthio fortnightly. Most recently, Marshal Eye was updated on October 16, 2026 and Zynthio on October 25, 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.*