Softwr

Cybersecurity · head to head

Bitwarden vs GNAT Pro

Bitwarden logo

Bitwarden

Cybersecurity

Open source password management for everyone

From
Free
Free plan
Yes
Full reviewWebsite
GNAT Pro logo

GNAT Pro

Developer Tools

Software development environments and toolchains for Ada, C/C++ and Rust

From
On request
Free plan
No
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; GNAT Pro no pricing published on website; requires contacting AdaCore directly for quotes
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Bitwarden and GNAT Pro actually diverge.

Attributes where Bitwarden and GNAT Pro differ
AttributeBitwardenGNAT Pro
Starting priceFreeOn request
Pricing modelfreemiumquote
Free tierYesNo
PlatformsWindows, Macos, Linux, Ios, Android, Web, CliWeb
CategoryCybersecurityDeveloper Tools
Founded2016Unknown

Identical on both: 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 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 GNAT Pro

Nothing recorded that Bitwarden does not also cover.

What people use each for

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

Bitwarden

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

GNAT Pro

  • Building certified avionics software meeting DO-178B/C standardsnot Bitwarden
  • Developing automotive embedded systems with ISO-26262 compliancenot Bitwarden
  • Integrating Ada, C/C++, and Rust components in single codebasenot Bitwarden
  • Managing software supply chain vulnerabilities and SBOMsnot Bitwarden
  • Supporting long-lived software systems spanning decadesnot 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

GNAT Pro

  • No pricing published on website; requires contacting AdaCore directly for quotes
  • Vendor indicates per-user, per-year subscription model but does not disclose specific costs

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

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

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 GNAT Pro if

Nothing in the data separates GNAT Pro from Bitwarden on the points above - pick on price and on how each one feels to use.

GNAT Pro review

Questions people ask

Is Bitwarden or GNAT Pro better?
Neither clearly leads. Bitwarden starts at Free and GNAT Pro at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bitwarden or GNAT Pro?
Bitwarden has a free tier; the other does not. Paid plans start at Free for Bitwarden and On request for GNAT Pro.
Does Bitwarden or GNAT Pro run on more platforms?
Bitwarden runs on Windows, Macos, Linux, Ios, Android, Web, Cli. GNAT Pro runs on Web.
Can I use Bitwarden for free?
Yes. Bitwarden has a free tier, so you can try it without paying. GNAT Pro starts at On request.
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 GNAT Pro is typically brought in for.
What can Bitwarden do that GNAT Pro cannot?
Bitwarden covers Unlimited password storage, Cross-platform sync, Secure password sharing, Password generator.

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
GNAT Pro: How much does GNAT Pro cost?

GNAT Pro pricing is not published on the website. Customers must request a pricing quote by contacting AdaCore directly or speaking with a GNAT Pro expert.

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
GNAT Pro: What is GNAT Pro licensing model?

GNAT Pro is sold on a per-user, per-year basis with no license locks. Customers can request pricing for their specific needs.

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
Share

Related pages

More on Bitwarden

More on GNAT Pro

Keep looking

Other head to heads