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Grammarly vs ProofHub

Grammarly logo

Grammarly

All industries

Great writing, simplified

From
Free
Rated
-
Full reviewWebsite
ProofHub logo

ProofHub

Project Management

All-in-one project management and team collaboration

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Grammarly has a free tier, so it costs nothing to try first.
  • Each has a real cost: Grammarly occasional false positives and grammatically incorrect suggestions that can introduce errors; ProofHub the Ultimate Control plan advertises $89 a month for the first 3 months and then charges $135, so the headline is an introductory rate
  • They diverge on capability: Grammarly covers Grammar checking, ProofHub covers Tasks.

Where they differ

Only the attributes on which Grammarly and ProofHub actually diverge.

Attributes where Grammarly and ProofHub differ
AttributeGrammarlyProofHub
Starting priceFreeOn request
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsWeb, macOS, Windows, iOS, AndroidWeb, Ios, Android
CategoryAll industriesProject Management
Founded20092011

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 Grammarly

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

Only in ProofHub

  • Tasks
  • Discussions
  • Proofing
  • Time tracking
  • Gantt charts
  • Google Drive
  • Dropbox
  • Box

Both cover

  • Slack
  • SSL
  • GDPR

What people use each for

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

Grammarly

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

ProofHub

  • Project management with unlimited users on a flat monthly feenot Grammarly
  • Proofing and reviewing files alongside task and discussion trackingnot 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

ProofHub

  • The Ultimate Control plan advertises $89 a month for the first 3 months and then charges $135, so the headline is an introductory rate
  • The Essential plan caps projects at 40 and storage at 15 GB
  • Storage is 100 GB even on the higher plan, which is low for a tool holding project files
  • There is no free tier, and the entry price is a flat $45 a month billed annually

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

ProofHub

On request
  • Essential$45/month
    • 40 projects
    • Unlimited users
    • Core features
  • Ultimate Control$89/month
    • Unlimited projects
    • Advanced features
    • White labeling

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 ProofHub if

  • You need tasks.
  • You work on Web, Ios, Android.
  • You also want discussions.
ProofHub review

Questions people ask

Is Grammarly or ProofHub better?
Neither clearly leads. Grammarly starts at Free and ProofHub at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Grammarly or ProofHub?
Grammarly has a free tier; the other does not. Paid plans start at Free for Grammarly and On request for ProofHub.
Does Grammarly or ProofHub run on more platforms?
Grammarly runs on Web, macOS, Windows, iOS, Android. ProofHub runs on Web, Ios, Android.
Can I use Grammarly for free?
Yes. Grammarly has a free tier, so you can try it without paying. ProofHub starts at On request.
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 ProofHub is typically brought in for.
What can Grammarly do that ProofHub cannot?
Grammarly covers Grammar checking, Spelling correction, Punctuation, Clarity suggestions. ProofHub covers Tasks, Discussions, Proofing, Time tracking. Both handle Slack, SSL, GDPR.

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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