# ZDL vs VulnWatch

The clearest difference is in-app purchases: ZDL at none against VulnWatch's 3. ZDL also leads on ads (none vs shown) and iOS requirement (14.0 vs 18.6). VulnWatch's advantage is update cadence (every 4 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. VulnWatch sells 3 one-off in-app purchases. ZDL asks for nothing beyond the download.

ZDL ships an update every 4 months, VulnWatch every 4 weeks. The most recent releases landed on June 1, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | ZDL | VulnWatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zdl/id1415744847/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 23 MB | 1 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Blackwired Pte Ltd.](https://appshunter.io/developer/1642378647) | [Naoyuki Sato](https://appshunter.io/developer/1714035733) |

## 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


### VulnWatch

[App page](https://appshunter.io/ios/app/vulnwatch/id6470704548)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small gift | $4.99 | one-time |
| Medium gift | $9.99 | one-time |
| Large gift | $19.99 | one-time |


## Frequently asked questions

### Is ZDL free?

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

### Is VulnWatch free?

VulnWatch is free to download, with in-app purchases available.

### Do ZDL or VulnWatch have ads?

VulnWatch shows ads; ZDL does not.

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

ZDL ships an update every 4 months, and VulnWatch every 4 weeks. Most recently, ZDL was updated on June 1, 2026 and VulnWatch on September 7, 2026.

---

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