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Cybersecurity · head to head

Bitwarden vs Nessus

Bitwarden logo

Bitwarden

Cybersecurity

Open source password management for everyone

From
Free
Rated
-
Full reviewWebsite
Nessus logo

Nessus

Cybersecurity

The most trusted vulnerability assessment solution

From
$4790/year
Rated
-
Full reviewWebsite

The short version

  • Only Bitwarden has a free tier, so it costs nothing to try first.
  • Each has a real cost: Bitwarden the integrated TOTP authenticator, encrypted file attachments, vault health reports and Emergency Access are all withheld from the free plan and need Premium at $1.65 per month; Nessus nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • They diverge on capability: Bitwarden covers Unlimited password storage, Nessus covers Vulnerability scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Bitwarden and Nessus actually diverge.

Attributes where Bitwarden and Nessus differ
AttributeBitwardenNessus
Starting priceFree$4790/year
Pricing modelfreemiumsubscription
Free tierYesNo
PlatformsWindows, Macos, Linux, Ios, Android, Web, CliDesktop, Api
Founded20162002

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 Bitwarden

  • Unlimited password storage
  • Cross-platform sync
  • Secure password sharing
  • Password generator
  • Two-factor authentication
  • Encrypted file attachments
  • Vault health reports
  • Emergency access

Only in Nessus

  • Vulnerability scanning
  • Configuration auditing
  • Malware detection
  • Web application scanning
  • Cloud scanning
  • Compliance checks
  • Patch auditing
  • Pre-built policies

What people use each for

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

Bitwarden

  • Personal password managementnot Nessus
  • Team credential sharingnot Nessus
  • Enterprise securitynot Nessus
  • Compliance requirementsnot Nessus
  • Developer secrets managementnot Nessus

Nessus

  • Vulnerability scanning for individual practitionersnot Bitwarden
  • Enterprise vulnerability managementnot Bitwarden
  • Web application security assessmentsnot Bitwarden

Where each one falls short

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

Bitwarden

  • The integrated TOTP authenticator, encrypted file attachments, vault health reports and Emergency Access are all withheld from the free plan and need Premium at $1.65 per month
  • Free accounts can share vault items with one other Bitwarden user and no more
  • File storage is capped at 5 GB on Premium and 5 GB personal plus 5 GB family on the Families plan
  • Two-step login accepts up to 10 hardware security keys per account
  • The Families plan is capped at 6 people, so a seventh member means moving to a Teams subscription at $4 per user per month

Nessus

  • Nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • Multi year terms are the only discount route, at $9,330.95 for two years and $13,637.54 for three
  • It is a single user scanner, so team workflows mean migrating to another Tenable product
  • Tenable One vulnerability management is priced separately, starting at $3,500 a year for 100 assets

Pricing, plan by plan

Bitwarden

Free
  • FreeFree
    • Basic password management
    • Zero-knowledge encryption
    • Advanced two-step login
  • Premium$1.65/month
    • Integrated authenticator
    • File attachments
    • Emergency access
  • Premium$19.8/year
  • Families$3.99/month
    • Up to 6 premium accounts
    • Unlimited sharing and collections
    • Organization storage included

Nessus

$4790/year
  • Nessus Professional$4790/year
    • 1 year license
    • Best for individual security professionals
  • Nessus Professional 2-Year$9330.95/2 years
    • 2 year license with discounted rate vs. annual
  • Nessus Professional 3-Year$13637.54/3 years
    • 3 year license with discounted rate vs. annual
  • Nessus Expert$6790/year
    • 1 year license
    • Enhanced capabilities vs. Professional

Which should you pick?

Choose Bitwarden if

  • You need unlimited password storage.
  • You want to start without paying.
  • You work on Windows, Macos, Linux, Ios, Android, Web, Cli.
  • You also want cross-platform sync.
Bitwarden review

Choose Nessus if

  • You need vulnerability scanning.
  • You work on Desktop, Api.
  • You also want configuration auditing.
Nessus review

Questions people ask

Is Bitwarden or Nessus better?
Neither clearly leads. Bitwarden starts at Free and Nessus at $4790/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bitwarden or Nessus?
Bitwarden has a free tier; the other does not. Paid plans start at Free for Bitwarden and $4790/year for Nessus.
Does Bitwarden or Nessus run on more platforms?
Bitwarden runs on Windows, Macos, Linux, Ios, Android, Web, Cli. Nessus runs on Desktop, Api.
Can I use Bitwarden for free?
Yes. Bitwarden has a free tier, so you can try it without paying. Nessus starts at $4790/year.
What is Bitwarden best used for?
Bitwarden is most often used for personal password management, team credential sharing, enterprise security, compliance requirements. Of those, personal password management and team credential sharing are not what Nessus is typically brought in for.
What can Bitwarden do that Nessus cannot?
Bitwarden covers Unlimited password storage, Cross-platform sync, Secure password sharing, Password generator. Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning.

Answered from the vendors’ own pages

Bitwarden: Does Bitwarden have a free plan?

Yes, Bitwarden offers a free tier with basic password management, zero-knowledge encryption, advanced two-step login, and unlimited devices across browser, mobile, and desktop apps.

Source
Nessus: What is the cheapest Nessus option?

Nessus Professional starts at $4,790 per year for a 1-year license. Multi-year commitments offer discounts, with 2-year licenses at $9,330.95 and 3-year licenses at $13,637.54.

Source
Bitwarden: How much does Bitwarden Premium cost?

Bitwarden Premium costs $1.65 per month billed annually at $19.80 per year, including integrated authenticator, file attachments, emergency access, and security reports.

Source
Nessus: What is the difference between Nessus Professional and Expert?

Nessus Expert costs $6,790 per year for a 1-year license (compared to $4,790 for Professional) and includes enhanced capabilities. Multi-year rates are available at discounted prices.

Source
Bitwarden: What is the difference between Bitwarden Teams and Enterprise?

Teams plan at $4 per user per month (annual billing) includes centralized ownership and secure credential sharing. Enterprise at $6 per user per month adds granular access control, passwordless SSO, account recovery, self-hosting, and complimentary Families plans for all users.

Source
Nessus: Does Nessus offer optional support or training?

Yes, Nessus offers add-on services: Advanced Support at $400/year provides 24x365 access to phone, email, community, and chat support. On-Demand Training costs $275/year for Fundamentals course access or $385/year for both Fundamentals and Advanced courses.

Source
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