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Head-to-head · Keyword Clustering Tools

Optiwing vs SEO Algorithm Keyword Clustering

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Optiwing #1 in Keyword Clustering Tools 9.4/10 Free plan Free plan✓ 2 of 3 features Visit Optiwing
SEO Algorithm Keyword Clustering #3 in Keyword Clustering Tools 9.1/10 Free plan Free plan✓ 2 of 3 features Visit SEO Algorithm

Optiwing leads on 0 checks, SEO Algorithm Keyword Clustering on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOptiwing · 9.4/10
  • Free planboth

Optiwing scores higher on our rubric for keyword clustering tools: 9.4 against 9.1 out of 10; our editors rank them #1 and #3.

On clustering method, SEO Algorithm Keyword Clustering gives you Hybrid where Optiwing offers Serp.

Optiwing is the better fit for localized SERP clustering in a browser workflow. SEO Algorithm Keyword Clustering is the better fit for flexible hybrid clustering with manual control.

  • Optiwing fits best

    Localized SERP clustering in a browser workflow

  • SEO Algorithm Keyword Clustering fits best

    Flexible hybrid clustering with manual control

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Side by side

Feature Optiwing 9.4/10 Visit ↗ SEO Algorithm Keyword Clustering 9.1/10 Visit ↗
At a glance
Editor score 9.4 9.1
Ranking #1 in Keyword Clustering Tools #3 in Keyword Clustering Tools
Best for Localized SERP clustering in a browser workflow Flexible hybrid clustering with manual control
Pricing model Free plan + paid Free plan + paid
Starting price $20/mo Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Browser extension Cloud
Platforms Web, Chrome extension Web
Integrations 4 integrations 1 integrations
Built for Solo, Small business, Mid-market Small business, Mid-market
Features Optiwing 2/3 · SEO Algorithm Keyword Clustering 2/3
SERP analysis ✓ ✓
Batch upload ✓ ✓
API access Not checked yet Not checked yet
Specs
Clustering method Serp Hybrid
Keyword limit 1000 keywords Not checked yet
Export formats CSV, Excel, JSON CSV, XLSX, Google Sheets
Our review
Pros
  • Clusters keywords from live Google results and shared top-10 URLs
  • Supports geography, device targeting, bulk CSV uploads, and 1,000 keywords
  • Connects with Ahrefs, Semrush, Google Sheets, and Keyword Planner
  • Three clustering methods cover stems, semantics, and live SERP overlap
  • Manual creation, merging, editing, intent filtering, and sorting
  • Exports to CSV, XLSX, and Google Sheets
Cons
  • Paid usage is credit-based, with one credit required per grouped keyword
  • The free allowance is limited to 100 credits
  • The browser workflow may not suit teams seeking a standalone desktop tool
  • AI Semantic and SERP-based runs consume credits
  • Available through the web platform only
  • SERP clustering is based on Google top-10 overlap
Our verdict

Optiwing is a browser-based SEO platform for freelancers, content teams, agencies, and small businesses that need to organize keyword research around actual search results. Its core workflow analyzes live Google SERPs and groups keywords…

Read the review →

SEO Algorithm Keyword Clustering is a web-based keyword-grouping tool for SEO professionals, content teams, and marketers who need more control than a single clustering method provides. It offers word-stem grouping, AI semantic clustering,…

Read the review →
  1. OptiwingKeyword Clustering Tools 9.4Free plan
  2. SEO Algorithm Keyword ClusteringKeyword Clustering Tools 9.1Free plan

Strengths and trade-offs

  • Optiwing — where it wins

    • Clusters keywords from live Google results and shared top-10 URLs
    • Supports geography, device targeting, bulk CSV uploads, and 1,000 keywords
    • Connects with Ahrefs, Semrush, Google Sheets, and Keyword Planner

    Where it doesn't

    • Paid usage is credit-based, with one credit required per grouped keyword
    • The free allowance is limited to 100 credits
    • The browser workflow may not suit teams seeking a standalone desktop tool

  • SEO Algorithm Keyword Clustering — where it wins

    • Three clustering methods cover stems, semantics, and live SERP overlap
    • Manual creation, merging, editing, intent filtering, and sorting
    • Exports to CSV, XLSX, and Google Sheets

    Where it doesn't

    • AI Semantic and SERP-based runs consume credits
    • Available through the web platform only
    • SERP clustering is based on Google top-10 overlap

More comparisons

All keyword clustering tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update