Softwr

Software · head to head

1Password vs Grammarly

1Password logo

1Password

Software

The world's most-loved password manager

From
$2.99/month
Rated
-
Full reviewWebsite
Grammarly logo

Grammarly

Software

Great writing, simplified

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Grammarly has a free tier, so it costs nothing to try first.
  • Each has a real cost: 1Password no free tier; all plans require paid subscription; Grammarly occasional false positives and grammatically incorrect suggestions that can introduce errors
  • They diverge on capability: 1Password covers Password generator, Grammarly covers Grammar checking.

Where they differ

Only the attributes on which 1Password and Grammarly actually diverge.

Attributes where 1Password and Grammarly differ
Attribute1PasswordGrammarly
Starting price$2.99/monthFree
Free tierNoYes
PlatformsmacOS, Windows, iOS, Android, Linux, WebWeb, macOS, Windows, iOS, Android
Founded20062009

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

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 Grammarly

  • Grammar checking
  • Spelling correction
  • Punctuation
  • Clarity suggestions
  • Engagement feedback
  • Delivery insights
  • Plagiarism checker
  • Citation generator

Both cover

  • Chrome
  • Firefox
  • Safari
  • Edge
  • SOC2

What people use each for

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

1Password

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

Grammarly

  • Email writingnot 1Password
  • Document editingnot 1Password
  • Academic writingnot 1Password
  • Business communicationnot 1Password
  • Content creationnot 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

Grammarly

  • Occasional false positives and grammatically incorrect suggestions that can introduce errors
  • Privacy concerns about sending text to Grammarly's servers for analysis
  • AI capabilities sometimes produce hallucinations and fabricated citations that appear grammatically correct

Pricing, plan by plan

1Password

$2.99/month

No published plan breakdown. See the 1Password review.

Grammarly

Free
  • FreeFree
    • Basic grammar and spelling checks
    • Tone visibility
    • 100 AI prompts per month
  • Pro$12/month
    • Sentence rewrites
    • Tone adjustment
    • Plagiarism and AI detection

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 Grammarly if

  • You need grammar checking.
  • You want to start without paying.
  • You work on Web, macOS, Windows, iOS, Android.
  • You also want spelling correction.
Grammarly review

Questions people ask

Is 1Password or Grammarly better?
Neither clearly leads. 1Password starts at $2.99/month and Grammarly at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, 1Password or Grammarly?
Grammarly has a free tier; the other does not. Paid plans start at $2.99/month for 1Password and Free for Grammarly.
Does 1Password or Grammarly run on more platforms?
1Password runs on macOS, Windows, iOS, Android, Linux, Web. Grammarly runs on Web, macOS, Windows, iOS, Android.
Can I use Grammarly for free?
Yes. Grammarly has a free tier, so you can try it without paying. 1Password starts at $2.99/month.
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 Grammarly is typically brought in for.
What can 1Password do that Grammarly cannot?
1Password covers Password generator, Autofill, Secure notes, Credit card storage. Grammarly covers Grammar checking, Spelling correction, Punctuation, Clarity suggestions. Both handle Chrome, Firefox, Safari, Edge.

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
Grammarly: Does Grammarly have a free version?

Yes, Grammarly offers a free tier with basic spelling, grammar, and punctuation checks, tone visibility, and 100 AI prompts per month. The Pro plan ($12/month annual) adds sentence rewriting, plagiarism detection, and 2,000 AI prompts.

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
Grammarly: What platforms does Grammarly work with?

Grammarly works across 1 million+ apps including Google Docs, Microsoft Word, Outlook, Slack, Gmail, and web browsers. It also integrates with productivity tools like Asana, Jira, Monday.com, Confluence, and HubSpot.

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
Grammarly: Can I use Grammarly offline?

Grammarly requires an internet connection to function, though the browser extension works with some offline text areas. For offline use, the desktop app and browser extensions sync when reconnected.

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
Grammarly: What is included in the Enterprise plan?

The Enterprise plan includes unlimited team members, dedicated support, custom roles and permissions, data loss prevention, bring-your-own-key encryption, and unlimited AI prompts. Pricing is custom and available by contacting sales.

Source
ShareXLinkedInRedditWhatsAppEmail

Related pages

More on 1Password

More on Grammarly

Keep looking

Other head to heads