# Zimperium MTD vs PM23

The clearest difference is update cadence: PM23 at every 3 days against Zimperium MTD's every 2 months. PM23 also leads on iOS requirement (11.0 vs 15.0). 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.

Zimperium MTD ships an update every 2 months, PM23 every 3 days. The most recent releases landed on September 20, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Zimperium MTD | PM23 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (126 ratings)](https://appshunter.io/ios/app/zimperium-mtd/id1030924459/reviews)** | — |
| Number of ratings | **126** | — |
| Positive reviews | 23.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 66 MB | 68 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zimperium](https://appshunter.io/developer/1030924458) | [BigMarker.com, Inc](https://appshunter.io/developer/958061478) |

## What reviewers say

### Zimperium MTD

[App page](https://appshunter.io/ios/app/zimperium-mtd/id1030924459)

This app offers comprehensive mobile security for enterprises, protecting employee devices and data from various cyber threats. It utilizes on-device machine learning to detect advanced attacks while prioritizing user privacy by not accessing personal communications or data.

**Highlights:** Device security, Network security, App security, Phishing protection, On-device machine learning, Privacy-first design

**Features:** Safari Extension, Apple Wallet, Vision Pro support

**In-app purchases:** none


### PM23

[App page](https://appshunter.io/ios/app/pm23/id6449169326)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zimperium MTD free?

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

### Is PM23 free?

PM23 is free to download, with no in-app purchases.

### Do Zimperium MTD or PM23 have ads?

Neither Zimperium MTD nor PM23 shows ads.

### Which is updated more often, Zimperium MTD or PM23?

Zimperium MTD ships an update every 2 months, and PM23 every 3 days. Most recently, Zimperium MTD was updated on September 20, 2026 and PM23 on May 16, 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.*