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Cybersecurity · head to head

Wireshark vs Zscaler Internet Access

Wireshark logo

Wireshark

Cybersecurity

The world's foremost network protocol analyzer

From
Free
Rated
-
Full reviewWebsite
Zscaler Internet Access logo

Zscaler Internet Access

Cybersecurity

Secure cloud-native internet and SaaS access

From
$100/year
Rated
-
Full reviewWebsite

The short version

  • Only Wireshark has a free tier, so it costs nothing to try first.
  • Each has a real cost: Wireshark free and open source under the GNU GPL; downloadable without paying any license fee, no commercial tier; Zscaler Internet Access the pricing page names two base tiers, Essentials Platform and Zscaler Platform, plus modular add ons including three Digital Experience Monitoring tiers, but publishes no dollar figures anywhere and routes buyers to a demo request for cost
  • They diverge on capability: Wireshark covers Deep packet inspection, Zscaler Internet Access covers Secure web gateway.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Wireshark and Zscaler Internet Access actually diverge.

Attributes where Wireshark and Zscaler Internet Access differ
AttributeWiresharkZscaler Internet Access
Starting priceFree$100/year
Pricing modelfreesubscription
Free tierYesNo
PlatformsDesktop, CliWeb, Desktop, Mobile
Founded19982007

Identical on both: user rating (Not yet rated), category (Cybersecurity).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Wireshark

  • Deep packet inspection
  • Live capture
  • Offline analysis
  • 3000+ protocol support
  • Rich display filters
  • VoIP analysis
  • Decryption support
  • Scripting with Lua

Only in Zscaler Internet Access

  • Secure web gateway
  • Cloud firewall
  • URL filtering
  • Advanced threat protection
  • Data loss prevention
  • Cloud sandbox
  • Browser isolation
  • CASB

What people use each for

The jobs each tool is most often brought in to do.

Wireshark

  • Network Securitynot Zscaler Internet Access
  • Packet Analysisnot Zscaler Internet Access
  • Open Sourcenot Zscaler Internet Access

Zscaler Internet Access

  • Cloud Securitynot Wireshark
  • Zero Trustnot Wireshark
  • Web Securitynot Wireshark

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Wireshark

  • Free and open source under the GNU GPL; downloadable without paying any license fee, no commercial tier

Zscaler Internet Access

  • The pricing page names two base tiers, Essentials Platform and Zscaler Platform, plus modular add ons including three Digital Experience Monitoring tiers, but publishes no dollar figures anywhere and routes buyers to a demo request for cost

Pricing, plan by plan

Wireshark

Free
  • Free & Open SourceFree
    • Full functionality
    • Deep inspection
    • Live capture

Zscaler Internet Access

$100/year
  • ZIA Business$100/year
    • Web security
    • URL filtering
    • Cloud firewall
  • ZIA Transformation$200/year
    • All Business features
    • Advanced threat protection
    • Cloud sandbox
  • ZIA Unlimited$350/year
    • All Transformation features
    • Cloud browser isolation
    • CASB

Which should you pick?

Choose Wireshark if

  • You need deep packet inspection.
  • You want to start without paying.
  • You work on Desktop, Cli.
  • You also want live capture.
Wireshark review

Choose Zscaler Internet Access if

  • You need secure web gateway.
  • You work on Web, Desktop, Mobile.
  • You also want cloud firewall.
Zscaler Internet Access review

Questions people ask

Is Wireshark or Zscaler Internet Access better?
Neither clearly leads. Wireshark starts at Free and Zscaler Internet Access at $100/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Wireshark or Zscaler Internet Access?
Wireshark has a free tier; the other does not. Paid plans start at Free for Wireshark and $100/year for Zscaler Internet Access.
Does Wireshark or Zscaler Internet Access run on more platforms?
Wireshark runs on Desktop, Cli. Zscaler Internet Access runs on Web, Desktop, Mobile.
Can I use Wireshark for free?
Yes. Wireshark has a free tier, so you can try it without paying. Zscaler Internet Access starts at $100/year.
What is Wireshark best used for?
Wireshark is most often used for network security, packet analysis, open source. Of those, network security and packet analysis are not what Zscaler Internet Access is typically brought in for.
What can Wireshark do that Zscaler Internet Access cannot?
Wireshark covers Deep packet inspection, Live capture, Offline analysis, 3000+ protocol support. Zscaler Internet Access covers Secure web gateway, Cloud firewall, URL filtering, Advanced threat protection.

Answered from the vendors’ own pages

Wireshark: Is there a cost to download and use Wireshark?

No, Wireshark is completely free. It's distributed under the GNU General Public License version 2, making it "free software" with no demo limitations. The full version is available at no cost.

Source
Zscaler Internet Access: How many pricing tiers does Zscaler Internet Access offer?

Zscaler Internet Access offers two main platform bundles: the Essentials Platform (entry-level) and the Zscaler Platform (comprehensive). Specific pricing is not published online.

Source
Wireshark: What support options are available for Wireshark users?

Wireshark offers multiple support channels including mailing lists, an active Discord community, the Ask Wireshark Q&A platform, comprehensive documentation, a user guide, and developer resources for those needing technical assistance.

Source
Zscaler Internet Access: Are there optional add-on modules available?

Yes. Zscaler offers extensive optional capabilities in five categories including Inline Cyberthreat Protection, Private Access enhancements, Data Security, Security Operations, and Zero Trust Branch.

Source
Wireshark: Are there different pricing tiers or subscription levels?

Wireshark does not offer pricing tiers or subscriptions. There is one free version available to all users regardless of use case, personal, professional, or organizational.

Source
Zscaler Internet Access: How is Zscaler Zero Trust Branch priced?

Zero Trust Branch is sized by encrypted throughput (200 Mbps to 10 Gbps) or endpoint count (200 to 5,000 endpoints), with pricing varying by configuration.

Source
Zscaler Internet Access: How do I get Zscaler pricing?

Zscaler does not publish pricing online. You must request a demo or contact their sales team to receive a pricing quote.

Source
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