# M3Marker vs UL Shield

M3Marker and UL Shield 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.

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

M3Marker ships an update every 4 months, UL Shield every 3 months. The most recent releases landed on September 18, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | M3Marker | UL Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ul-shield/id6615060918/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 84 MB | 43 MB |
| Requires iOS | 14.0 | **13.2** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Kaushik Kale](https://appshunter.io/developer/1217105403) | [University of Louisiana at Lafayette](https://appshunter.io/developer/465733513) |

## What reviewers say

### M3Marker

[App page](https://appshunter.io/ios/app/m3marker/id1469669612)

**Features:** macOS Compatibility

**In-app purchases:** none


### UL Shield

[App page](https://appshunter.io/ios/app/ul-shield/id6615060918)

Enhance organizational security with tools like a panic button, tip submission, and a safety timer. This application provides an extra layer of protection for your organization.

**Highlights:** Panic Slider, Submit Tips, Safety Timer, Organizational Protection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is M3Marker free?

M3Marker is free to download, with no in-app purchases.

### Is UL Shield free?

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

### Do M3Marker or UL Shield have ads?

Neither M3Marker nor UL Shield shows ads.

### Which is updated more often, M3Marker or UL Shield?

M3Marker ships an update every 4 months, and UL Shield every 3 months. Most recently, M3Marker was updated on September 18, 2026 and UL Shield on September 15, 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.*