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Cybersecurity · head to head

Cisco Duo vs Rock Solid

Cisco Duo logo

Cisco Duo

Cybersecurity

Trusted access for all users, all devices

From
Free
Free plan
Yes
Full reviewWebsite
Rock Solid logo

Rock Solid

Government

Parks and Recreation Management

From
$350/month
Free plan
No
Full reviewWebsite

The short version

  • Only Cisco Duo has a free tier, so it costs nothing to try first.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Cisco Duo and Rock Solid actually diverge.

Attributes where Cisco Duo and Rock Solid differ
AttributeCisco DuoRock Solid
Starting priceFree$350/month
Free tierYesNo
PlatformsWebWeb, Ios, Android
CategoryCybersecurityGovernment
FoundedUnknown2001

Identical on both: pricing model (subscription), user rating (Not yet rated).

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 Rock Solid does not also cover.

Only in Rock Solid

  • Program Registration
  • Facility Scheduling
  • Membership Management
  • Payment Processing
  • Reporting & Analytics
  • Payment Gateways
  • QuickBooks
  • Marketing Tools

What people use each for

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

Cisco Duo

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

Rock Solid

  • Citizen Servicesnot Cisco Duo
  • Records Managementnot Cisco Duo
  • Public Safetynot Cisco Duo
  • Civic Engagementnot 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

Rock Solid

Nothing recorded yet. See the Rock Solid review.

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

Rock Solid

$350/month
  • Recreation Management$350/month
    • Program Registration
    • Facility Scheduling
    • Payment Processing

Which should you pick?

Choose Cisco Duo if

  • You want to start without paying.
Cisco Duo review

Choose Rock Solid if

  • You need program registration.
  • You work on Web, Ios, Android.
  • You also want facility scheduling.
Rock Solid review

Questions people ask

Is Cisco Duo or Rock Solid better?
Neither clearly leads. Cisco Duo starts at Free and Rock Solid at $350/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cisco Duo or Rock Solid?
Cisco Duo has a free tier; the other does not. Paid plans start at Free for Cisco Duo and $350/month for Rock Solid.
Does Cisco Duo or Rock Solid run on more platforms?
Cisco Duo runs on Web. Rock Solid runs on Web, Ios, Android.
Can I use Cisco Duo for free?
Yes. Cisco Duo has a free tier, so you can try it without paying. Rock Solid starts at $350/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 Rock Solid is typically brought in for.
What can Cisco Duo do that Rock Solid cannot?
Rock Solid covers Program Registration, Facility Scheduling, Membership Management, Payment Processing.

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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