# ZDL vs MettleCVE

The clearest difference is update cadence: MettleCVE at every 2 weeks against ZDL's every 4 months. MettleCVE also leads on ratings volume (6 vs 2). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for ZDL against 5.0 for MettleCVE. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ZDL ships an update every 4 months, MettleCVE every 2 weeks. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ZDL | MettleCVE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/zdl/id1415744847/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/mettlecve/id1555613958/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 23 MB | 1 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blackwired Pte Ltd.](https://appshunter.io/developer/1642378647) | [Salvatore Saieva](https://appshunter.io/developer/1555613960) |

## What reviewers say

### ZDL

[App page](https://appshunter.io/ios/app/zdl/id1415744847)

This platform offers real-time cyber-attack prevention by providing a unique view of adversary preparations. It aims to proactively safeguard enterprises from cyber threats before they occur.

**Highlights:** Proactive cyber-attack prevention, Real-time adversary monitoring, Global cyber observatory, Enterprise-level cyber-warfare capability, Performance updates and bug fixes

**Features:** macOS Compatibility

**In-app purchases:** none


### MettleCVE

[App page](https://appshunter.io/ios/app/mettlecve/id1555613958)

Quickly search for Common Vulnerabilities and Exposures (CVE) by ID. Access detailed descriptions, severity information, and direct links to patch references and vendor advisories to aid in cybersecurity remediation.

**Highlights:** CVE ID lookup, Automatic CVE prefix and dash entry, Description and severity details, Patch references and vendor advisories, Vulnerability Carousel for past flaws

**In-app purchases:** none


## Frequently asked questions

### Is ZDL free?

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

### Is MettleCVE free?

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

### Which has better reviews, ZDL or MettleCVE?

ZDL and MettleCVE are both rated 5.0 out of 5 on the App Store, from 2 and 6 ratings respectively.

### Do ZDL or MettleCVE have ads?

Neither ZDL nor MettleCVE shows ads.

### Which is updated more often, ZDL or MettleCVE?

ZDL ships an update every 4 months, and MettleCVE every 2 weeks. Most recently, ZDL was updated on October 14, 2026 and MettleCVE on October 17, 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.*