F
FSurfer SEO vs Writesonic
Pricing, features, platforms and who each one suits — side by side.
S
Choose Surfer SEO if…
- you want the lower entry price ($49/mo vs $79/mo)
- you work on Chrome
- you're in its core audience: seo specialists, content marketers
W
Choose Writesonic if…
- you want to trial it before paying
- you're in its core audience: seo and growth marketers, marketing agencies
Side by side
Feature Surfer SEO Writesonic
Pricing modelPaidFree trial
Starting price$49/mo$79/mo
Free plan
Free trial
API
Open source
Trains AI on your content—No
Security and complianceGDPRSOC 2 Type II, HIPAA, GDPR
Updates, last 90 days1—
AI search visibility
Content scoring editor—
Technical site audit
MCP server—
PlatformsWeb, Chrome, APIWeb, API
CategorySEOSEO
CompanySurfer sp. z o.o.Writesonic, Inc.
Based inPolandUnited States
Founded——
Part of——
Key features
S Surfer SEO
- Content Editor with live SEO and AI search guidelines
- AI visibility tracking across ChatGPT, Gemini, Claude, Perplexity
- Content audit with prioritized action list
- Topical maps and competitive gap analysis
- Re-optimization alerts when rankings or AI mentions drop
- Google Docs, WordPress and Contentful integrations
- Plagiarism checker and AI Humanizer
- MCP connection to ChatGPT and Claude
W Writesonic
- Brand visibility tracking across AI platforms
- Citation and sentiment monitoring
- Action Center that ranks optimization opportunities
- AI agent that rewrites pages for GEO
- Competitor citation source discovery with outreach drafts
- Technical audits of robots.txt, schema and indexing
- Fix impact measured at Day 14 and Day 28
- AI article generation and site audits
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Surfer SEO
Discovery$49/mo billed yearly
AI Search Analytics$82/mo billed yearly
Standard$99/mo billed yearly
Pro$182/mo billed yearly
Peace of Mind$299/mo billed yearly
EnterpriseCustom
Writesonic
Starter$79/mo billed yearly
Basic$199/mo billed yearly
Growth$399/mo billed yearly
EnterpriseCustom
Strengths and limitations
Surfer SEO
- Tracks visibility in both Google and major AI assistants
- Integrates with Google Docs, WordPress and Contentful
- Peace of Mind plan includes unlimited documents under a fair usage policy
- Yearly billing saves up to 17%
- No free plan listed
- Listed prices are for yearly billing, charged upfront
- API access requires Peace of Mind ($299/mo), an API add-on or Enterprise
- PayPal is not accepted
Writesonic
- Free trial on self-serve plans with no credit card needed
- 7-day no-questions-asked refund
- Combines SEO and GEO in one platform from the Basic plan
- Integrates with Google Analytics, Search Console and WordPress
- Starting price is $79/mo billed yearly
- Platforms beyond ChatGPT, Gemini and Google AI Overviews require Enterprise
- Full Action Center is limited to Enterprise
- No free plan
More comparisons
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KAI SEO agent and article writer for sites that grow through search content
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K
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K
AI SEO agent and article writer for sites that grow through search content
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NNLP-based content optimization and AI search visibility tracking for SEO teams
From $23/mo
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From $23/mo
N
NLP-based content optimization and AI search visibility tracking for SEO teams
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy