Updated April 2026 · Independent Analysis
Surfer SEOvsGrammarly
Grammarly starts at $12/mo, 85% cheaper than Surfer SEO's $79/mo. Both rated 4.8/5 by users.
Surfer SEOvs Grammarly
★ 4.8/5+0.1 vs Grammarly
Only in Surfer SEO
- ✦ Content score optimization
- ✦ SERP analyzer
- ✦ AI-powered writing
From $79/mo(pricier)150K+ users · est. 2017
Try Surfer SEO Free →
Grammarlyvs Surfer SEO
★ 4.7/5-0.1 vs Surfer SEO
Only in Grammarly
- ✦ Grammar & spelling
- ✦ Tone detection
- ✦ Clarity suggestions
✓ Free planFrom $12/mo(cheaper)30M+ users · est. 2009
Try Grammarly Free →Ratings Breakdown
Surfer SEO
4.8/5 avg
G2 Score4.8/5
Capterra Score4.9/5
G2 Rating4.8/5
Grammarly
4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
G2 Rating4.7/5
Quick Stats
Feature Comparison
Surfer SEO uniquely offers Content score optimization, SERP analyzer, AI-powered writing. Grammarly uniquely offers Grammar & spelling, Tone detection, Clarity suggestions. Both share 2 features including Google Docs integration, API access.
Feature
Surfer SEO
Grammarly
Google Docs integration
✓
✓
API access
✓
✓
Content score optimization
✓
✗
SERP analyzer
✓
✗
AI-powered writing
✓
✗
Keyword research
✓
✗
NLP analysis
✓
✗
Competitor analysis
✓
✗
Content planner
✓
✗
Topical authority maps
✓
✗
Internal linking
✓
✗
Audit tool
✓
✗
WordPress plugin
✓
✗
Content calendar
✓
✗
Multi-language
✓
✗
Domain Planner
✓
✗
Grow Flow (AI tasks)
✓
✗
Outline builder
✓
✗
Image audit
✓
✗
Team collaboration
✓
✗
Grammar & spelling
✗
✓
Tone detection
✗
✓
Clarity suggestions
✗
✓
Plagiarism checker
✗
✓
GrammarlyGO (AI writing)
✗
✓
Style guide (Business)
✗
✓
Brand tones
✗
✓
Browser extension
✗
✓
Microsoft Office add-in
✗
✓
Mobile keyboard
✗
✓
Snippets
✗
✓
Analytics
✗
✓
Team usage reports
✗
✓
GDPR compliant
✗
✓
SSO (Business)
✗
✓
Multi-language (English-focused)
✗
✓
Readability score
✗
✓
Conciseness suggestions
✗
✓
Total Features
20
20
Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Surfer SEO if you need:
- ✓ Content score optimization
- ✓ SERP analyzer
- ✓ AI-powered writing
- ✓ Keyword research
- ✓ NLP analysis
Choose Grammarly if you need:
- ✓ Grammar & spelling
- ✓ Tone detection
- ✓ Clarity suggestions
- ✓ Plagiarism checker
- ✓ GrammarlyGO (AI writing)
Pricing Comparison
Grammarly starts at $12/mo, 85% cheaper than Surfer SEO's $79/mo.
Surfer SEO Plans
Paid plans only
EssentialBest Value
$79/month- • 30 articles/mo
- • Content editor
- • SERP Analyzer
Scale
$175/month- • 100 articles/mo
- • AI writing
- • Topical maps
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
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