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Cybersecurity · head to head

1Password vs GNAT Pro

1Password logo

1Password

Cybersecurity

The world's most-loved password manager

From
$2.99/month
Free plan
No
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

  • Each has a real cost: 1Password no free tier; all plans require paid subscription; 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 1Password and GNAT Pro actually diverge.

Attributes where 1Password and GNAT Pro differ
Attribute1PasswordGNAT Pro
Starting price$2.99/monthOn request
Pricing modelUnknownquote
PlatformsmacOS, Windows, iOS, Android, Linux, WebWeb
CategoryCybersecurityDeveloper Tools
Founded2006Unknown

Identical on both: free tier (No), 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 1Password

  • Password generator
  • Autofill
  • Secure notes
  • Credit card storage
  • Document storage
  • Two-factor authentication
  • Watchtower security alerts
  • Travel mode

Only in GNAT Pro

Nothing recorded that 1Password does not also cover.

What people use each for

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

1Password

  • Password managementnot GNAT Pro
  • Secure document storagenot GNAT Pro
  • Team credential sharingnot GNAT Pro
  • Identity protectionnot GNAT Pro
  • Compliance managementnot GNAT Pro

GNAT Pro

  • Building certified avionics software meeting DO-178B/C standardsnot 1Password
  • Developing automotive embedded systems with ISO-26262 compliancenot 1Password
  • Integrating Ada, C/C++, and Rust components in single codebasenot 1Password
  • Managing software supply chain vulnerabilities and SBOMsnot 1Password
  • Supporting long-lived software systems spanning decadesnot 1Password

Where each one falls short

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

1Password

  • No free tier; all plans require paid subscription
  • Offline access requires prior device sync; cannot add new passwords while offline
  • Enterprise plan does not include free trial access

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

1Password

$2.99/month

No published plan breakdown. See the 1Password review.

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Which should you pick?

Choose 1Password if

  • You need password generator.
  • You work on macOS, Windows, iOS, Android, Linux, Web.
  • You also want autofill.
1Password review

Choose GNAT Pro if

Nothing in the data separates GNAT Pro from 1Password on the points above - pick on price and on how each one feels to use.

GNAT Pro review

Questions people ask

Is 1Password or GNAT Pro better?
Neither clearly leads. 1Password starts at $2.99/month and GNAT Pro at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, 1Password or GNAT Pro?
1Password starts at $2.99/month and GNAT Pro at On request.
Does 1Password or GNAT Pro run on more platforms?
1Password runs on macOS, Windows, iOS, Android, Linux, Web. GNAT Pro runs on Web.
What is 1Password best used for?
1Password is most often used for password management, secure document storage, team credential sharing, identity protection. Of those, password management and secure document storage are not what GNAT Pro is typically brought in for.
What can 1Password do that GNAT Pro cannot?
1Password covers Password generator, Autofill, Secure notes, Credit card storage.

Answered from the vendors’ own pages

1Password: Does 1Password offer a free tier?

No. 1Password offers no free tier as of July 2026, but provides a 14-day free trial with no credit card required for all plans except Enterprise.

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
1Password: Can I access 1Password offline?

Yes. The desktop app allows for offline access to your vault once you have synced your passwords to the device.

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
1Password: What is the pricing for individuals and families?

Individual plan costs 2.99 USD per month or 35.88 USD annually. Families plan costs 59.88 USD per year and includes five licenses with the ability to add more for 1 USD per month each.

Source
1Password: What platforms does 1Password support?

1Password is available on macOS, Windows, iOS, Android, Linux, with browser extensions for Chrome, Firefox, Edge, Brave, and Safari.

Source
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