Updated April 2026 · Independent Analysis
GrammarlyvsCopy.ai
Grammarly starts at $12/mo, 99% cheaper than Copy.ai's $1000/mo. Both rated 4.7/5 by users.
Grammarlyvs Copy.ai
★ 4.7/5
Only in Grammarly
- ✦ Grammar & spelling
- ✦ Tone detection
- ✦ Clarity suggestions
✓ Free planFrom $12/mo(cheaper)30M+ users · est. 2009
Try Grammarly Free →
Copy.aivs Grammarly
★ 4.7/5
Only in Copy.ai
- ✦ 90+ copywriting tools
- ✦ Blog wizard
- ✦ Social media posts
From $1000/mo(pricier)10M+ users · est. 2020
Try Copy.ai Free →Ratings Breakdown
Grammarly
4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
G2 Rating4.7/5
Copy.ai
4.7/5 avg
G2 Score4.7/5
Capterra Score4.5/5
G2 Rating4.7/5
Quick Stats
Feature Comparison
Grammarly uniquely offers Grammar & spelling, Tone detection, Clarity suggestions. Copy.ai uniquely offers 90+ copywriting tools, Blog wizard, Social media posts. Both share 0 features.
Feature
Grammarly
Copy.ai
Grammar & spelling
✓
✗
Tone detection
✓
✗
Clarity suggestions
✓
✗
Plagiarism checker
✓
✗
GrammarlyGO (AI writing)
✓
✗
Style guide (Business)
✓
✗
Brand tones
✓
✗
Browser extension
✓
✗
Microsoft Office add-in
✓
✗
Google Docs integration
✓
✗
Mobile keyboard
✓
✗
Snippets
✓
✗
Analytics
✓
✗
Team usage reports
✓
✗
GDPR compliant
✓
✗
SSO (Business)
✓
✗
API access
✓
✗
Multi-language (English-focused)
✓
✗
Readability score
✓
✗
Conciseness suggestions
✓
✗
90+ copywriting tools
✗
✓
Blog wizard
✗
✓
Social media posts
✗
✓
Email sequences
✗
✓
Sales copy
✗
✓
Chat interface
✗
✓
Workflows
✗
✓
Multilingual
✗
✓
Total Features
20
8
Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Grammarly if you need:
- ✓ Grammar & spelling
- ✓ Tone detection
- ✓ Clarity suggestions
- ✓ Plagiarism checker
- ✓ GrammarlyGO (AI writing)
Choose Copy.ai if you need:
- ✓ 90+ copywriting tools
- ✓ Blog wizard
- ✓ Social media posts
- ✓ Email sequences
- ✓ Sales copy
Pricing Comparison
Grammarly starts at $12/mo, 99% cheaper than Copy.ai's $1000/mo.
Grammarly Plans
Free tier available
Free
Free- • Basic spelling & grammar
- • Tone detection
- • Limited suggestions
ProBest Value
$12/user/mo- • Advanced suggestions
- • Full-sentence rewrites
- • Plagiarism detection
Enterprise
Custom- • Team admin
- • SSO
- • Analytics
Copy.ai Plans
Paid plans only
Chat
Custom- • 5 seats
- • Unlimited chat
- • OpenAI, Anthropic, Gemini models
GrowthBest Value
$1000/mo (billed yearly)- • 75 seats
- • 20K workflow credits/mo
Expansion
$2000/mo (billed yearly)- • 150 seats
- • 45K workflow credits/mo
Scale
$3000/mo (billed yearly)- • 200 seats
- • 75K workflow credits/mo
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