AI · head to head
Copilotly vs Grammarly

Copilotly
AI
131 specialist AI copilots across 20 professional domains
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Copilotly copilotly explicitly disclaims that its legal, medical, and financial copilots are not a substitute for licensed professional advice, which limits its use for anything requiring accountable expert sign-off.; Grammarly occasional false positives and grammatically incorrect suggestions that can introduce errors
- They diverge on capability: Copilotly covers 131 specialist copilots, Grammarly covers Grammar checking.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Copilotly and Grammarly actually diverge.
Identical on both: starting price (Free), free tier (Yes), 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 Copilotly
- 131 specialist copilots
- Browser extension
- Multi-model routing
- Document upload and analysis
- Encrypted conversations
- Desktop and mobile apps
- Admin dashboard and usage analytics
- SSO and SAML
Only in Grammarly
- Grammar checking
- Spelling correction
- Punctuation
- Clarity suggestions
- Engagement feedback
- Delivery insights
- Plagiarism checker
- Citation generator
What people use each for
The jobs each tool is most often brought in to do.
Copilotly
- Getting a quick legal or contract question answered without booking a consultationnot Grammarly
- Drafting and reviewing professional documents with domain-specific guidancenot Grammarly
- Researching medical, financial, or HR questions with a specialist-tuned assistantnot Grammarly
- Working across many knowledge-work tasks under one subscription instead of separate toolsnot Grammarly
- Getting AI help directly inside the browser while reading any webpagenot Grammarly
Grammarly
- Email writingnot Copilotly
- Document editingnot Copilotly
- Academic writingnot Copilotly
- Business communicationnot Copilotly
- Content creationnot Copilotly
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Copilotly
- Copilotly explicitly disclaims that its legal, medical, and financial copilots are not a substitute for licensed professional advice, which limits its use for anything requiring accountable expert sign-off.
- The free plan caps usage at 3 copilots and 50 messages per day, pushing most real usage onto the paid Pro tier.
- It relies on third-party foundation models (GPT-4o, Claude, Gemini, DeepSeek) rather than proprietary domain models, so answer quality is bounded by those underlying models.
- There is no published documentation site or API, limiting integration options for developers or teams wanting to build on top of it.
- Safari support is listed as 'coming soon' rather than available, so macOS/iOS Safari users are currently unsupported in-browser.
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
Copilotly
Free- FreeFree
- Access to 3 copilots of your choice
- 50 messages per day
- Conversation history
- Pro$29/month
- Every copilot unlocked (131 across 20 domains)
- Unlimited messages
- Also billed $4.99/week or $290/year
- Enterprise$undefined/month
- Everything in Pro
- Unlimited team members
- Custom copilots on your own data
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 Copilotly if
- You need 131 specialist copilots.
- You want to start without paying.
- You work on web, ios, android, windows, mac.
- You also want browser extension.
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.
Questions people ask
- Is Copilotly or Grammarly better?
- Neither clearly leads. Copilotly starts at Free and Grammarly at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Copilotly or Grammarly?
- Copilotly starts at Free and Grammarly at Free.
- Does Copilotly or Grammarly run on more platforms?
- Copilotly runs on web, ios, android, windows, mac. Grammarly runs on Web, macOS, Windows, iOS, Android.
- Can I use Copilotly for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Copilotly best used for?
- Copilotly is most often used for getting a quick legal or contract question answered without booking a consultation, drafting and reviewing professional documents with domain-specific guidance, researching medical, financial, or hr questions with a specialist-tuned assistant, working across many knowledge-work tasks under one subscription instead of separate tools. Of those, getting a quick legal or contract question answered without booking a consultation and drafting and reviewing professional documents with domain-specific guidance are not what Grammarly is typically brought in for.
- What can Copilotly do that Grammarly cannot?
- Copilotly covers 131 specialist copilots, Browser extension, Multi-model routing, Document upload and analysis. Grammarly covers Grammar checking, Spelling correction, Punctuation, Clarity suggestions.
Answered from the vendors’ own pages
Copilotly: What do you get on the free plan?
Three copilots of your choosing, 50 messages a day, conversation history and the browser extension. No card and no time limit: the 50 messages are a daily cap that resets rather than a total.
SourceGrammarly: 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.
SourceCopilotly: How much is Pro, and is annual cheaper?
Pro bills three ways: $4.99 a week, $29 a month, or $290 a year. The annual cycle works out at about $24.17 a month, so it is the cheapest of the three.
SourceGrammarly: 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.
SourceCopilotly: Can I try it before paying, and can I get a refund?
Pro has a three-day free trial and a seven-day money-back guarantee. Subscriptions can be cancelled at any time with no cancellation fee.
SourceGrammarly: 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.
SourceCopilotly: Which models does Copilotly run on?
It routes to third-party foundation models rather than its own: GPT-4o, Claude, Gemini and DeepSeek. Answer quality is therefore bounded by whichever of those handles a query.
SourceGrammarly: 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.
SourceRelated pages
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- Grammarly vs Sphinx
- Grammarly vs Antora
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