Updated March 2026 · Independent Analysis
GrammarlyvsCopy.ai
Grammarly starts at $12/mo, 76% cheaper than Copy.ai's $49/mo. Both rated 4.7/5 by users.
Grammarlyvs Copy.ai
★ 4.7/5
Only in Grammarly
- ✦ Grammar checking
- ✦ Plagiarism detection
- ✦ Tone 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
✓ Free planFrom $49/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 checking, Plagiarism detection, Tone suggestions. Copy.ai uniquely offers 90+ copywriting tools, Blog wizard, Social media posts. Both share 0 features.
Feature
Grammarly
Copy.ai
Grammar checking
✓
✗
Plagiarism detection
✓
✗
Tone suggestions
✓
✗
Style improvements
✓
✗
Browser extension
✓
✗
MS Office plugin
✓
✗
Mobile app
✓
✗
Team style guide
✓
✗
90+ copywriting tools
✗
✓
Blog wizard
✗
✓
Social media posts
✗
✓
Email sequences
✗
✓
Sales copy
✗
✓
Chat interface
✗
✓
Workflows
✗
✓
Multilingual
✗
✓
Total Features
8
8
Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Grammarly if you need:
- ✓ Grammar checking
- ✓ Plagiarism detection
- ✓ Tone suggestions
- ✓ Style improvements
- ✓ Browser extension
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, 76% cheaper than Copy.ai's $49/mo.
Grammarly Plans
Free tier available
Free
Free- • Basic grammar
- • Spelling
- • Punctuation
PremiumBest Value
$12/month- • Style suggestions
- • Tone detection
- • Plagiarism checker
- • Full rewrites
Business
$15/month- • Team features
- • Style guide
- • Analytics
- • Priority support
Copy.ai Plans
Free tier available
Free
Free- • 2,000 words/mo
- • 90+ tools
- • Chat
ProBest Value
$49/month- • Unlimited words
- • 5 seats
- • Workflows
- • Priority support
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