Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Content Optimization Software

CONTADU vs Semji

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score CONTADU #8 in Content Optimization Software 8.6/10 7-day trial Free trial✓ 6 of 6 features Visit CONTADU
Semji #26 in Content Optimization Software 6.8/10 Pricing on request ✓ 5 of 6 features Visit Semji

CONTADU leads on 0 checks, Semji on 0, and 7 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCONTADU · 8.6/10
  • Free trialonly CONTADU
  • Most featuresCONTADU · 6 of 6

CONTADU scores higher on our rubric for content optimization software: 8.6 against 6.8 out of 10; our editors rank them #8 and #26.

CONTADU is the better fit for agencies needing deep semantic SEO coverage. Semji is the better fit for mature teams needing CMS-connected optimization.

  • CONTADU fits best

    Agencies needing deep semantic SEO coverage

  • Semji fits best

    Mature teams needing CMS-connected optimization

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature CONTADU 8.6/10 Visit ↗ Semji 6.8/10 Visit ↗
At a glance
Editor score 8.6 6.8
Ranking #8 in Content Optimization Software #26 in Content Optimization Software
Best for Agencies needing deep semantic SEO coverage Mature teams needing CMS-connected optimization
Pricing model Paid Paid
Starting price $37/mo Pricing on request
Free plan — —
Free trial 7 days —
Deployment Cloud, Browser extension Cloud, Browser extension
Platforms Web, Chrome extension Web, Chrome extension
Support Live chat, Docs Email, Docs
Integrations 7 integrations 10 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features CONTADU 6/6 · Semji 5/6
Search intent analysis ✓ ✓
Topic coverage analysis ✓ ✓
Entity analysis ✓ (best) Not checked yet
Content briefs ✓ ✓
Readability scoring ✓ ✓
CMS publishing ✓ ✓
Specs
Content item limit Not checked yet Not checked yet
Our review
Pros
  • Topical maps, entity recommendations, and intent mapping support semantic planning.
  • AI writing, briefs, scoring, readability, plagiarism checks, and linking work together.
  • WordPress, Google Search Console, Google Docs, Shopify, Zapier, and API integrations.
  • Combines search and AI visibility tracking with intent recommendations.
  • Supports briefs, planning, AI drafting, and SEO and readability scoring.
  • Publishes drafts to WordPress, Drupal, Contentful, and Strapi.
Cons
  • No free plan; the 7-day trial is the main low-commitment entry point.
  • Advanced CMS integration and extended API access are limited to Enterprise plans.
  • Its broad workflow may be more than needed for teams seeking simple content scoring.
  • Pricing requires a sales conversation.
  • No free plan is available.
  • The Chrome extension was deprecated after June 30, 2026.
Our verdict

CONTADU is a content intelligence platform for content marketers, copywriters, agencies, and businesses. It covers the workflow from keyword clustering and topical maps through competitive analysis, content gaps, user-intent mapping,…

Read the review →

Semji is a web-based SEO and GEO content platform for marketing and editorial teams. It brings together AI and Google visibility tracking, search-intent analysis, related-term recommendations, content planning, briefs, AI-assisted…

Read the review →
  1. CONTADUContent Optimization Software 8.67-day trial
  2. SemjiContent Optimization Software 6.8Pricing on request

Strengths and trade-offs

  • CONTADU — where it wins

    • Topical maps, entity recommendations, and intent mapping support semantic planning.
    • AI writing, briefs, scoring, readability, plagiarism checks, and linking work together.
    • WordPress, Google Search Console, Google Docs, Shopify, Zapier, and API integrations.

    Where it doesn't

    • No free plan; the 7-day trial is the main low-commitment entry point.
    • Advanced CMS integration and extended API access are limited to Enterprise plans.
    • Its broad workflow may be more than needed for teams seeking simple content scoring.

  • Semji — where it wins

    • Combines search and AI visibility tracking with intent recommendations.
    • Supports briefs, planning, AI drafting, and SEO and readability scoring.
    • Publishes drafts to WordPress, Drupal, Contentful, and Strapi.

    Where it doesn't

    • Pricing requires a sales conversation.
    • No free plan is available.
    • The Chrome extension was deprecated after June 30, 2026.
  • CONTADU8.6/10 · 7-day trial

    A broad semantic SEO workspace for agencies that need planning, writing, and optimization together.

    Visit CONTADUFull verdict →
  • Semji6.8/10 · Pricing on request

    A CMS-connected content optimization platform for mature marketing and editorial teams.

    Visit SemjiFull verdict →

More comparisons

All content optimization software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update