SEOLYZE
TF*IDF content optimization and semantic keyword analysis tool
pricingfree tierapichecked 23 Aug 2026
What SEOLYZE is
SEOLYZE is a European on-page SEO platform specializing in TF*IDF (Term Frequency - Inverse Document Frequency) semantic content analysis. It compares web copy against top Google search results across multiple languages, revealing missing semantic entities, optimal keyword density ranges, and structural ranking factors to boost organic search engine positions.
Pricing
| Plan | Price | Annual | What you get |
|---|---|---|---|
| Standard | €49/mo | €39/mo | Unlimited TF*IDF analyses, 1 user, 100 keyword rankings tracked, all languages |
| Pro | €99/mo | €79/mo | 3 user seats, 500 keyword rankings, rank monitoring alerts, API access |
Billed in EUR with 20% discount on annual subscriptions.
Free access: 30-day free trial on all plans
read from the vendor pricing page · 23 Aug 2026 · how we verify
Best for
- SEO analysts running semantic TF*IDF content audits in European markets
- Copywriters optimizing multilingual articles for search relevance
Not for
- Social media post scheduling
Integrations
SEOLYZE alternatives
All 4 alternatives to SEOLYZE, compared Get the Toolvern badge for SEOLYZE
Surfer SEO Content briefs and on-page scoring from SERP analysis 
NeuronWriter Budget SERP-driven content optimizer 
PageOptimizer Pro Patented on-page SEO optimization tool based on competitive mathematical factors 
Frase Research, brief and draft in one SEO writing tool Head to head: SEOLYZE vs Surfer SEO SEOLYZE vs NeuronWriter SEOLYZE vs PageOptimizer Pro SEOLYZE vs Frase
Compiled by Stepan Noianov from the vendor's own site and pricing page. Something wrong? Report an inaccuracy.