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Cybersecurity · head to head

Cisco Duo vs Wireshark

Cisco Duo logo

Cisco Duo

Cybersecurity

Trusted access for all users, all devices

From
Free
Rated
-
Full reviewWebsite
Wireshark logo

Wireshark

Cybersecurity

The world's foremost network protocol analyzer

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Cisco Duo free tier limited to 10 users maximum; Wireshark free and open source under the GNU GPL; downloadable without paying any license fee, no commercial tier
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Cisco Duo and Wireshark actually diverge.

Attributes where Cisco Duo and Wireshark differ
AttributeCisco DuoWireshark
Pricing modelsubscriptionfree
PlatformsWebDesktop, Cli
FoundedUnknown1998

Identical on both: starting price (Free), free tier (Yes), 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 Cisco Duo

Nothing recorded that Wireshark does not also cover.

Only in Wireshark

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

What people use each for

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

Cisco Duo

  • Eliminating phishing with passwordless authnot Wireshark
  • Implementing zero trust with device trustnot Wireshark
  • Protecting sessions from hijacking and theftnot Wireshark
  • Managing compliance for regulated industriesnot Wireshark

Wireshark

  • Network Securitynot Cisco Duo
  • Packet Analysisnot Cisco Duo
  • Open Sourcenot Cisco Duo

Where each one falls short

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

Cisco Duo

  • Free tier limited to 10 users maximum
  • Licenses must be purchased in 10-user increments (under 100 users) or 25-user increments (100+ users)
  • Pricing is per-user per-month with minimum purchase increments

Wireshark

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

Pricing, plan by plan

Cisco Duo

Free
  • FreeFree
    • Multi-factor authentication (MFA)
    • Seamless integrations
    • Authenticator app
  • Essentials$3/month
    • All Free features
    • Duo Directory
    • Phishing-resistant MFA
  • Advantage$6/month
    • All Essentials features
    • Identity intelligence
    • Cisco Identity Intelligence (ISPM, ITDR)
  • Premier$9/month
    • All Advantage features
    • Complete device trust
    • VPN-less remote access

Wireshark

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

Which should you pick?

Choose Cisco Duo if

  • You want to start without paying.
Cisco Duo review

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

Questions people ask

Is Cisco Duo or Wireshark better?
Neither clearly leads. Cisco Duo starts at Free and Wireshark at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cisco Duo or Wireshark?
Cisco Duo starts at Free and Wireshark at Free.
Does Cisco Duo or Wireshark run on more platforms?
Cisco Duo runs on Web. Wireshark runs on Desktop, Cli.
Can I use Cisco Duo for free?
Both have a free tier, so you can try either at no cost before committing.
What is Cisco Duo best used for?
Cisco Duo is most often used for eliminating phishing with passwordless auth, implementing zero trust with device trust, protecting sessions from hijacking and theft, managing compliance for regulated industries. Of those, eliminating phishing with passwordless auth and implementing zero trust with device trust are not what Wireshark is typically brought in for.
What can Cisco Duo do that Wireshark cannot?
Wireshark covers Deep packet inspection, Live capture, Offline analysis, 3000+ protocol support.

Answered from the vendors’ own pages

Cisco Duo: How much does Cisco Duo cost?

Cisco Duo Free is $0/user/month (up to 10 users). Paid plans start at $3/user/month (Essentials), $6/user/month (Advantage), and $9/user/month (Premier). Billing is per-user per-month.

Source
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
Cisco Duo: Is Cisco Duo free to try?

Yes, Duo Free offers multi-factor authentication and seamless integrations at $0/user/month for up to 10 users.

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
Cisco Duo: What is the minimum purchase for Cisco Duo?

Organizations must buy licenses in 10-user increments for under 100 users, or 25-user increments for 100 or more users. Plans are modifiable at any time.

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
Cisco Duo: What does the Advantage plan add over Essentials?

Advantage ($6/user/month) adds identity intelligence, Cisco Identity Intelligence (ISPM, ITDR), Duo Passport, session theft protection, Active Directory Defense, and risk-based authentication.

Source
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