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Software · head to head

Grammarly vs Lark

Grammarly logo

Grammarly

Software

Great writing, simplified

From
Free
Rated
-
Full reviewWebsite
Lark logo

Lark

Software

The super app for team collaboration

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Grammarly occasional false positives and grammatically incorrect suggestions that can introduce errors; Lark lark's own pricing page description states it offers a free starter pack, a Pro plan, and an Enterprise plan, and directs buyers to Contact us rather than publishing Pro/Enterprise figures on the rendered page.
  • They diverge on capability: Grammarly covers Grammar checking, Lark covers Team messaging.

Where they differ

Only the attributes on which Grammarly and Lark actually diverge.

Attributes where Grammarly and Lark differ
AttributeGrammarlyLark
Pricing modelUnknownsubscription
PlatformsWeb, macOS, Windows, iOS, AndroidWeb, Windows, Macos, Linux, Ios, Android
Founded20092019

Identical on both: starting price (Free), free tier (Yes), 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 Grammarly

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

Only in Lark

  • Team messaging
  • Video conferencing
  • Collaborative docs
  • Cloud storage
  • Calendar
  • Jira
  • GitHub
  • Salesforce

Both cover

  • SOC2

What people use each for

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

Grammarly

  • Email writingnot Lark
  • Document editingnot Lark
  • Academic writingnot Lark
  • Business communicationnot Lark
  • Content creationnot Lark

Lark

  • Team communicationnot Grammarly
  • Document collaborationnot Grammarly
  • Project managementnot Grammarly
  • Company intranetnot Grammarly

Where each one falls short

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

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

Lark

  • Lark's own pricing page description states it offers a free starter pack, a Pro plan, and an Enterprise plan, and directs buyers to Contact us rather than publishing Pro/Enterprise figures on the rendered page.

Pricing, plan by plan

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

Lark

Free
  • StarterFree
    • Up to 50 users
    • 100GB storage
    • Unlimited messaging
  • Pro$12/month
    • Unlimited users
    • 1TB storage per user
    • 24-hour meetings
  • Enterprise$20/month
    • SSO/SAML
    • eDiscovery
    • Custom retention

Which should you pick?

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

Choose Lark if

  • You need team messaging.
  • You want to start without paying.
  • You work on Web, Windows, Macos, Linux, Ios, Android.
  • You also want video conferencing.
Lark review

Questions people ask

Is Grammarly or Lark better?
Neither clearly leads. Grammarly starts at Free and Lark at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Grammarly or Lark?
Grammarly starts at Free and Lark at Free.
Does Grammarly or Lark run on more platforms?
Grammarly runs on Web, macOS, Windows, iOS, Android. Lark runs on Web, Windows, Macos, Linux, Ios, Android.
Can I use Grammarly for free?
Both have a free tier, so you can try either at no cost before committing.
What is Grammarly best used for?
Grammarly is most often used for email writing, document editing, academic writing, business communication. Of those, email writing and document editing are not what Lark is typically brought in for.
What can Grammarly do that Lark cannot?
Grammarly covers Grammar checking, Spelling correction, Punctuation, Clarity suggestions. Lark covers Team messaging, Video conferencing, Collaborative docs, Cloud storage. Both handle SOC2.

Answered from the vendors’ own pages

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
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
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
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
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