ZDL vs PwMailExt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZDL
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.
- Proactive cyber-attack prevention
- Real-time adversary monitoring
- Global cyber observatory
- Enterprise-level cyber-warfare capability
- Performance updates and bug fixes
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Blackwired defines a new approach to Threat Intelligence. The flagship Zero Day Live platform is designed to proactively prevent cyber-attacks before they happen. It is the first and only platform delivering cyber-warfare capability accessible to enterprise. The largest cyber observatory in the world with a unique lens on adversaries and their preparations to attack. Zero Day Live’s real time, measurable cyber-attack prevention takes your enterprise out of the victim pool. The team at Blackwired continues to make performance updates, bug fixes and feature rich options to enhance the user experience. Happy hunting.
PwMailExt
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This is an email encryption app that works as an "App Extension". Since it uses a common key encryption method, no complicated steps are required to get started. By installing it on both sides, you can easily exchange encrypted emails. There is also an macOS version. The macOS version works as an extension of Mail.app.
Screenshots
Verdict
The clearest difference is device support: PwMailExt at 4 against ZDL's 2. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ZDL ships an update every 4 months, PwMailExt every 6 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.
| Parameter | ZDL | PwMailExt |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 14.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 23 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Blackwired Pte Ltd. | 敬太 Noda |
In-app purchases
ZDL
No in-app purchases
PwMailExt
No in-app purchases
