Comparison

ZDL vs OpenSourceInitiative

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Proactive cyber-attack prevention
  • Real-time adversary monitoring
  • Global cyber observatory
  • Enterprise-level cyber-warfare capability
  • Performance updates and bug fixes
Features
Read full description

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.

About

OpenSourceInitiative

Features
Read full description

Open source initiative website app For over 20 years the Open Source Initiative (OSI) has worked to raise awareness and adoption of open source software, and build bridges between open source communities of practice. As a global non-profit, the OSI champions software freedom in society through education, collaboration, and infrastructure, stewarding the Open Source Definition (OSD), and preventing abuse of the ideals and ethos inherent to the open source movement. Open source software is made by many people and distributed under an OSD-compliant license which grants all the rights to use, study, change, and share the software in modified and unmodified form. Software freedom is essential to enabling community development of open source software.

Screenshots

ZDL4 screens
OpenSourceInitiative1 screens

Verdict

The call

The clearest difference is update cadence: OpenSourceInitiative at monthly against ZDL's every 4 months. OpenSourceInitiative also leads on iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

ZDL ships an update every 4 months, OpenSourceInitiative monthly. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 8 level
ZDL versus OpenSourceInitiative: the parameters behind the verdict, then further details
ParameterZDLOpenSourceInitiative
PriceFreeFree
Rating5.0 (2 ratings) — better
Positive reviews100.0% of reviews
Number of ratings2 — better
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.011.0 — better
Further details — not scored
Size23 MB21 MB
Age rating4+4+
DeveloperBlackwired Pte Ltd.Meir Tsvi

In-app purchases

None

ZDL

No in-app purchases

None

OpenSourceInitiative

No in-app purchases

Questions

Is ZDL free?
ZDL is free to download, with no in-app purchases.
Is OpenSourceInitiative free?
OpenSourceInitiative is free to download, with no in-app purchases.
Do ZDL or OpenSourceInitiative have ads?
Neither ZDL nor OpenSourceInitiative shows ads.
Which is updated more often, ZDL or OpenSourceInitiative?
ZDL ships an update every 4 months, and OpenSourceInitiative monthly. Most recently, ZDL was updated on June 1, 2026 and OpenSourceInitiative on September 10, 2026.

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