Google Keyword Planner vs QuestionDB

Google Keyword Planner9.3Visit QuestionDB8.9Visit

Higher score Google Keyword Planner #2 in Keyword Research Tools 9.3/10 Free plan Free plan✓ 4 of 6 features Open Keyword Planner

vs

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

• Google Keyword Planner fits best

  Free Google Ads keyword planning

• QuestionDB fits best

  Affordable question-led keyword research

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Side by side

Feature	Google Keyword Planner 9.3/10 Visit ↗	QuestionDB 8.9/10 Visit ↗
At a glance
Editor score	9.3	8.9
Ranking	#2 in Keyword Research Tools	#5 in Keyword Research Tools
Best for	Free Google Ads keyword planning	Affordable question-led keyword research
Pricing model	Free	Free plan + paid
Starting price	Free plan	$9.99/mo
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Docs	Email
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Enterprise
Features Google Keyword Planner 4/6 · QuestionDB 5/6
Keyword difficulty	✓	✓
Search volume data	✓	✓
Search intent data	Not checked yet	✓ (best)
SERP analysis	Not checked yet	✓ (best)
Competitor keywords	✓	✓
API access	✓ (best)	Not checked yet
Specs
Keyword results limit	Not checked yet	Not checked yet
Our review
Pros	Free access to keyword ideas, search volume, competition, and bid estimates Forecast clicks, impressions, and conversions for keyword plans Supports geographic, language, network, trend, and Google Ads API workflows	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
Cons	Requires Google Ads account setup and billing information Focused on Google Search campaign planning rather than full SEO research Does not provide search intent or SERP analysis	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
Our verdict	Google Keyword Planner is a web-based keyword research and forecasting tool for advertisers planning Google Search campaigns. It generates ideas from keywords, phrases, URLs, or entire websites, then reports average monthly search volume,… Read the review →	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 →

Strengths and trade-offs

• Google Keyword Planner — where it wins

  • Free access to keyword ideas, search volume, competition, and bid estimates
  • Forecast clicks, impressions, and conversions for keyword plans
  • Supports geographic, language, network, trend, and Google Ads API workflows

  Where it doesn't

  • Requires Google Ads account setup and billing information
  • Focused on Google Search campaign planning rather than full SEO research
  • Does not provide search intent or SERP analysis

• 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

• Google Keyword Planner9.3/10 · Free plan

  A free Google Ads planning tool with keyword metrics, forecasts, targeting, and API access.

  Open Keyword PlannerFull verdict →
• QuestionDB8.9/10 · Free plan

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

  Visit QuestionDBFull verdict →