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Cybersecurity · head to head

Cisco Duo vs Private Internet Access

Cisco Duo logo

Cisco Duo

Cybersecurity

Trusted access for all users, all devices

From
Free
Rated
-
Full reviewWebsite
P

Private Internet Access

Cybersecurity

Long-standing VPN service with a large server network and flexible multi-year plans

From
$11.99/month
Rated
-
Full reviewWebsite

The short version

  • Only Cisco Duo has a free tier, so it costs nothing to try first.
  • Each has a real cost: Cisco Duo free tier limited to 10 users maximum; Private Internet Access monthly plan is priced noticeably higher than the discounted multi-year commitments, penalizing short-term users.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Cisco Duo and Private Internet Access actually diverge.

Attributes where Cisco Duo and Private Internet Access differ
AttributeCisco DuoPrivate Internet Access
Starting priceFree$11.99/month
Free tierYesNo
PlatformsWebwindows, mac, linux, ios, android

Identical on both: pricing model (subscription), 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 Private Internet Access does not also cover.

Only in Private Internet Access

  • Split tunneling
  • Kill switch
  • Ad and tracker blocking
  • Dedicated IP add-on
  • Bundled antivirus add-on

What people use each for

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

Cisco Duo

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

Private Internet Access

  • Encrypting traffic on public Wi-Fi with a kill switchnot Cisco Duo
  • Blocking ads and trackers network-wide via MACEnot Cisco Duo
  • Maintaining a consistent connection identity with a dedicated IP add-onnot Cisco Duo
  • Committing to a long-term plan for a lower effective monthly ratenot 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

Private Internet Access

  • Monthly plan is priced noticeably higher than the discounted multi-year commitments, penalizing short-term users.
  • Dedicated IP and antivirus are paid add-ons rather than included features.
  • Headquartered in a jurisdiction whose privacy reputation some competitors market against, despite audited no-logs claims.
  • App interface is less streamlined than some higher-priced premium VPN competitors.

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

Private Internet Access

$11.99/month
  • Monthly$11.99/month
    • Billed month to month
    • Full server network access
    • 30-day money-back guarantee
  • 1-Year$3.1/month
    • Billed annually at $37.19
    • Full server network access
  • 2-Year$2.19/month
    • Lowest advertised rate, billed every 2 years
    • Full server network access

Which should you pick?

Choose Cisco Duo if

  • You want to start without paying.
Cisco Duo review

Choose Private Internet Access if

  • You need split tunneling.
  • You work on windows, mac, linux, ios, android.
  • You also want kill switch.
Private Internet Access review

Questions people ask

Is Cisco Duo or Private Internet Access better?
Neither clearly leads. Cisco Duo starts at Free and Private Internet Access at $11.99/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cisco Duo or Private Internet Access?
Cisco Duo has a free tier; the other does not. Paid plans start at Free for Cisco Duo and $11.99/month for Private Internet Access.
Does Cisco Duo or Private Internet Access run on more platforms?
Cisco Duo runs on Web. Private Internet Access runs on windows, mac, linux, ios, android.
Can I use Cisco Duo for free?
Yes. Cisco Duo has a free tier, so you can try it without paying. Private Internet Access starts at $11.99/month.
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 Private Internet Access is typically brought in for.
What can Cisco Duo do that Private Internet Access cannot?
Private Internet Access covers Split tunneling, Kill switch, Ad and tracker blocking, Dedicated IP add-on.

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
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
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
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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