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Keyword Cluster vs Kaption AI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Keyword Cluster compared with Kaption AI
DetailKeyword Cluster logo Keyword ClusterKaption AI logo Kaption AI
What it doesChrome extension for keyword clusters and SEO insights WhatsApp voice messages to text with AI
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFree Freemium
PricingNot given Free: no credit card required. Basic: US$5.99/month (US$4.99/month quarterly, US$3.99/month annually). Pro: US$9.99/month (US$7.99/month quarterly, US$5.99/month annually). Also available in Brazilian Real: Basic from R$29.99/month, Pro from R$49.99/month.
Key features
  • Keyword clustering by search intent
  • Long-tail keyword discovery
  • AI-powered keyword grouping
  • Real-time insights on Google and Bing
  • Topic cluster identification
  • Related search query suggestions
  • No account or login required
  • Support for Google, Bing, and YouTube
  • Voice message transcription with automatic text conversion
  • Chat summarization with AI
  • Live translation in 36 languages
  • WhatsApp call recording with transcripts
  • Integration with Claude and ChatGPT via MCP
  • Kanban board for chat organization
  • Scheduled messages and reminders
  • Contact export and group member download
  • Privacy mode and screen lock
  • Support for multiple WhatsApp accounts on desktop
What makes it different
  • Shows keyword clusters directly in search results without leaving Google or Bing
  • Completely free with no account needed
  • Eliminates need to switch between multiple SEO tools
  • Groups keywords by search intent for better content alignment
  • Transcription runs locally on your device; audio only temporarily sent to servers for processing
  • 4.8-star rating with over 5,000 reviews in Chrome Web Store
  • Used by over 50,000 active users
  • Works with multiple platforms: Chrome, Edge, Mac, Windows, iPhone, Android
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)11 no change since last check19 no change since last check
Trust Flow (Majestic)36
Citation Flow (Majestic)2330
Referring domains (Majestic)50181

4 details filled in for both companies.

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