For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
Mobile US PressList your app
Vendor dashboard

Best WordStream Free Keyword Tool Alternatives in 2026

Updated

20 apps from SEO tools ranked against WordStream Free Keyword Tool on the same published basis.

  1. 1
    DefiniteSEO Free plan AndroidapiextensioniOSLinux $0.42/mo9.0
    WordStream Free Keyword Tool vs DefiniteSEO
  2. 2
    Semrush Free plan api 8.3
    WordStream Free Keyword Tool vs Semrush
  3. 3
    Ahrefs Free plan apiWeb $29/mo8.2
    WordStream Free Keyword Tool vs Ahrefs
  4. 4
    Rank Math SEO Free plan self-hostedWeb 8.1
    WordStream Free Keyword Tool vs Rank Math SEO
  5. 5
    Positionly Free plan AndroidapiiOSWeb $15/mo8.1
    WordStream Free Keyword Tool vs Positionly
  6. 6
    Google Search Console Free plan apiWeb Free8.0
    WordStream Free Keyword Tool vs Google Search Console
  7. 7
    Screaming Frog SEO Spider Free plan apiLinuxMacWin 8.0
    WordStream Free Keyword Tool vs Screaming Frog SEO Spider
  8. 8
    Mangools Free plan api Free7.9
    WordStream Free Keyword Tool vs Mangools
  9. 9
    SEO PowerSuite Free plan api $29.08/mo7.9
    WordStream Free Keyword Tool vs SEO PowerSuite
  10. 10
    SEOPress Free plan api $4.08/mo7.9
    WordStream Free Keyword Tool vs SEOPress
  11. 11
    Marketing Miner Free plan apiWeb 7.9
    WordStream Free Keyword Tool vs Marketing Miner
  12. 12
    Frase Free plan apiextensionWeb $19/mo7.9
    WordStream Free Keyword Tool vs Frase
  13. 13
    Yoast SEO Free plan api $9.90/mo7.8
    WordStream Free Keyword Tool vs Yoast SEO
  14. 14
    Keyword Tool Free plan apiWeb $68/mo7.8
    WordStream Free Keyword Tool vs Keyword Tool
  15. 15
    SpiderNow Free plan AndroidapiextensioniOSWeb $6.99/mo7.8
    WordStream Free Keyword Tool vs SpiderNow
  16. 16
    Outerank Free plan api $31/mo7.7
    WordStream Free Keyword Tool vs Outerank
  17. 17
    SpyFu apiWeb $29/mo7.6
    WordStream Free Keyword Tool vs SpyFu
  18. 18
    Screaming Frog SEO Log File Analyser Free plan LinuxMacWin $11.58/mo7.6
    WordStream Free Keyword Tool vs Screaming Frog SEO Log File Analyser
  19. 19
    MarketMuse Free plan Web Free7.6
    WordStream Free Keyword Tool vs MarketMuse
  20. 20
    DataForSEO SERP API Free trial apiWeb 7.6
    WordStream Free Keyword Tool vs DataForSEO SERP API

WordStream Free Keyword Tool alternatives compared

#AppScoreFree planFromRuns on
1DefiniteSEO9.0Free plan$0.42/moAndroid, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows
2Semrush8.3Free plan—API
3Ahrefs8.2Free plan$29/moAPI, Web
4Rank Math SEO8.1Free plan—self-hosted, Web
5Positionly8.1Free plan$15/moAndroid, API, iOS, Web
6Google Search Console8.0Free planFreeAPI, Web
7Screaming Frog SEO Spider8.0Free plan—API, Linux, Mac, Windows
8Mangools7.9Free planFreeAPI
9SEO PowerSuite7.9Free plan$29.08/moAPI
10SEOPress7.9Free plan$4.08/moAPI
11Marketing Miner7.9Free plan—API, Web
12Frase7.9Free plan$19/moAPI, Browser, Web
13Yoast SEO7.8Free plan$9.90/moAPI
14Keyword Tool7.8Free plan$68/moAPI, Web
15SpiderNow7.8Free plan$6.99/moAndroid, API, Browser, iOS, Web
16Outerank7.7Free plan$31/moAPI
17SpyFu7.6No$29/moAPI, Web
18Screaming Frog SEO Log File Analyser7.6Free plan$11.58/moLinux, Mac, Windows
19MarketMuse7.6Free planFreeWeb
20DataForSEO SERP API7.6No—API, Web
Make your app an alternative to WordStream Free Keyword Tool

The sponsored alternative slot on this page is labelled Sponsored.

See the price

Questions about WordStream Free Keyword Tool alternatives

What is the best alternative to WordStream Free Keyword Tool?

DefiniteSEO, number 1 in SEO tools with a score of 9.0 out of 10. The others here: Semrush, Ahrefs, Rank Math SEO and 16 more.

What is the best free alternative to WordStream Free Keyword Tool?

DefiniteSEO is the best-ranked alternative with a free plan. 18 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.