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KeywordsDB vs ZentroSEO

Both stand on seo tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

KeywordsDB

Free plan Web

KeywordsDB focuses on large-scale keyword discovery with filtering, historical trends and optional exports. Its lack of rank, backlink and competitor tools makes the scope narrower than an all-in-one SEO platform.

Visit KeywordsDB

ZentroSEO

Free plan Web

ZentroSEO brings research, audits, monitoring, content help, and white-label functions together in a browser platform. Consider the unspecified free-plan details when deciding whether it matches your workflow.

Visit ZentroSEO

The facts

KeywordsDBZentroSEO
Free planYesYes
Open sourceNot publishedNot published
Runs onWebWeb
Lowest paid planPro: $9 a monthFree or on request
Plans published31
MakerNot publishedNot published
Websitekeywordsdb.comzentroseo.com
On seo tools#131 of 245#127 of 245

KeywordsDB: what it does well

  • Database contains more than 300 million keywords
  • Search without a seed keyword
  • Historical volume trends for growing topics
  • Free plan includes full dataset access
  • Max adds CSV, Parquet and Bing data

What to know first

  • No rank tracking
  • No backlink analysis
  • No competitor research
  • Free plan limited to 10 searches

ZentroSEO: what it does well

  • Free web-based plan
  • Keyword research and rank tracking
  • AI audits and automated fixes
  • Backlink and competitor analysis
  • Live chat and ticket support

What to know first

  • AI capabilities are platform-dependent
  • No desktop or mobile app is listed

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