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Cybersecurity · head to head

Cisco Duo vs Moonrepo

Cisco Duo logo

Cisco Duo

Cybersecurity

Trusted access for all users, all devices

From
Free
Free plan
Yes
Full reviewWebsite
Moonrepo logo

Moonrepo

Developer Tools

Monorepo build system and version manager platform

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Cisco Duo free tier limited to 10 users maximum; Moonrepo smaller community compared to established build systems like Bazel
  • Prices and features above were last checked on 29 August 2026.

Where they differ

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

Attributes where Cisco Duo and Moonrepo differ
AttributeCisco DuoMoonrepo
Pricing modelsubscriptionopen-source
PlatformsWebWeb, CLI
CategoryCybersecurityDeveloper Tools

Identical on both: starting price (Free), free tier (Yes), 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 Moonrepo does not also cover.

Only in Moonrepo

  • Task orchestration
  • Smart hashing
  • Dependency analysis
  • Multi-language version management
  • Contextual detection
  • Integrated development environment
  • Git integration

What people use each for

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

Cisco Duo

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

Moonrepo

  • Managing multiple language projects in a single repositorynot Cisco Duo
  • Automating developer environment setup with consistent toolchain versionsnot Cisco Duo
  • Optimizing monorepo builds with intelligent task cachingnot Cisco Duo
  • Enforcing consistent development practices across distributed teamsnot 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

Moonrepo

  • Smaller community compared to established build systems like Bazel
  • Limited integrations with enterprise CI/CD platforms
  • Documentation gaps in some advanced use cases
  • No commercial support option for organizations requiring guaranteed SLAs

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

Moonrepo

Free

No published plan breakdown. See the Moonrepo review.

Which should you pick?

Choose Cisco Duo if

  • You want to start without paying.
Cisco Duo review

Choose Moonrepo if

  • You need task orchestration.
  • You want to start without paying.
  • You work on Web, CLI.
  • You also want smart hashing.
Moonrepo review

Questions people ask

Is Cisco Duo or Moonrepo better?
Neither clearly leads. Cisco Duo starts at Free and Moonrepo at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cisco Duo or Moonrepo?
Cisco Duo starts at Free and Moonrepo at Free.
Does Cisco Duo or Moonrepo run on more platforms?
Cisco Duo runs on Web. Moonrepo runs on Web, 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 Moonrepo is typically brought in for.
What can Cisco Duo do that Moonrepo cannot?
Moonrepo covers Task orchestration, Smart hashing, Dependency analysis, Multi-language version management.

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
Moonrepo: What programming languages does Moonrepo support?

Moonrepo's proto version manager supports Node.js, Python, Go, Rust, Deno, Java, Ruby, and other languages, with the build system moon supporting most modern development stacks.

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
Moonrepo: Is Moonrepo suitable for large monorepos?

Yes, Moonrepo is designed to scale to monorepos of any size with intelligent caching and task orchestration to maintain build performance.

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
Moonrepo: Can I use just moon or just proto separately?

Yes, moon and proto are independent tools that can be adopted separately or together to address specific team needs.

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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