QuestionDB vs Keyword Tool

QuestionDB8.9Visit Keyword Tool8.7Visit

Higher score QuestionDB #5 in Keyword Research Tools 8.9/10 Free plan Free plan✓ 5 of 6 features Visit QuestionDB

vs

Keyword Tool #7 in Keyword Research Tools 8.7/10 Free plan Free plan✓ 1 of 6 features Visit Keyword Tool

• QuestionDB fits best

  Affordable question-led keyword research

• Keyword Tool fits best

  Multi-platform autocomplete research

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Side by side

Feature	QuestionDB 8.9/10 Visit ↗	Keyword Tool 8.7/10 Visit ↗
At a glance
Editor score	8.9	8.7
Ranking	#5 in Keyword Research Tools	#7 in Keyword Research Tools
Best for	Affordable question-led keyword research	Multi-platform autocomplete research
Pricing model	Free plan + paid	Free plan + paid
Starting price	$9.99/mo (best)	$68/mo
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Email	Email, Docs
Built for	Solo, Small business, Enterprise	Solo, Small business, Mid-market, Enterprise
Features QuestionDB 5/6 · Keyword Tool 1/6
Keyword difficulty	✓ (best)	Not checked yet
Search volume data	✓ (best)	Not checked yet
Search intent data	✓ (best)	Not checked yet
SERP analysis	✓ (best)	Not checked yet
Competitor keywords	✓ (best)	Not checked yet
API access	Not checked yet	✓ (best)
Specs
Keyword results limit	Not checked yet	Not checked yet
Our review
Pros	Finds questions across Google, People Also Ask, Reddit, and Quora Combines volume, CPC, difficulty, trends, SERP, and intent data Includes ranking analysis, AI extraction, and CSV or image export	Researches autocomplete suggestions across 16 search platforms Adds volume, CPC, competition, trends, exports, API, and MCP Supports competitor URL research and bulk analysis for up to 1,000 keywords
Cons	Free access is limited to 5 searches per month Paid plans cap monthly searches at 100, 400, or 1000 Available through the web, with no documented API offering	Paid access starts at $68 per month The free plan does not include the paid research and access features Autocomplete remains the core method for keyword discovery
Our verdict	QuestionDB is a web-based SEO research tool for marketers, content creators, and businesses planning search-focused content. Its central use case is finding the questions people ask, then evaluating related opportunities with search… Read the review →	Keyword Tool is a web-based keyword research product for SEO professionals, marketers, content creators, PPC teams, agencies, and enterprises. It generates long-tail keyword suggestions from autocomplete sources across 16 search platforms,… Read the review →

Strengths and trade-offs

• QuestionDB — where it wins

  • Finds questions across Google, People Also Ask, Reddit, and Quora
  • Combines volume, CPC, difficulty, trends, SERP, and intent data
  • Includes ranking analysis, AI extraction, and CSV or image export

  Where it doesn't

  • Free access is limited to 5 searches per month
  • Paid plans cap monthly searches at 100, 400, or 1000
  • Available through the web, with no documented API offering

• Keyword Tool — where it wins

  • Researches autocomplete suggestions across 16 search platforms
  • Adds volume, CPC, competition, trends, exports, API, and MCP
  • Supports competitor URL research and bulk analysis for up to 1,000 keywords

  Where it doesn't

  • Paid access starts at $68 per month
  • The free plan does not include the paid research and access features
  • Autocomplete remains the core method for keyword discovery

• QuestionDB8.9/10 · Free plan

  A low-cost SEO research tool built around questions, search data, and content discovery.

  Visit QuestionDBFull verdict →
• Keyword Tool8.7/10 · Free plan

  A broad autocomplete research tool with strong data access, but a high paid entry price.

  Visit Keyword ToolFull verdict →