Best SEO Tools in 2026
Updated
In short: DefiniteSEO is ranked #1 of 245 as of 4 October 2026, ahead of Semrush and Ahrefs. The best-ranked option with a free plan is Semrush. The lowest first paid tier on this page is DefiniteSEO at $0.42/mo.
SEO tools cover a mix of work, from keyword research and competitor research to site audits and rank tracking. Compare those capabilities with backlink analysis, tracked keywords, and API access to see which options align with your tasks and monitoring needs. Free-plan availability and paid-from pricing add useful access and cost considerations. Entries include DefiniteSEO, Semrush, and Ahrefs, alongside Google Search Console, Screaming Frog SEO Spider, and Mangools. Think about the work you need a tool to support, whether researching opportunities, reviewing a site, or tracking search positions, then weigh the relevant criteria against your priorities.
245 SEO tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 DefiniteSEO iPhone + Android RecognisedPhone appDocumentedFree plan 9.0$0.42/mo
- 2 Semrush No phone app RecognisedPhone appDocumentedFree plan 8.3Free Keyword research: YesRank tracking: YesSite audit: Yes
- 3 Ahrefs No phone app RecognisedPhone appDocumentedFree plan 8.3$29/mo Keyword research: YesRank tracking: YesSite audit: Yes
- 4 Positionly iPhone + Android RecognisedPhone appDocumentedFree plan 8.2$15/mo
- 5 Google Search Console No phone app RecognisedPhone appDocumentedFree plan 8.1Free Keyword research: YesRank tracking: YesSite audit: Yes
- 6 Screaming Frog SEO Spider No phone app RecognisedPhone appDocumentedFree plan 8.1Free Site audit: Yes
- 7 Mangools No phone app RecognisedPhone appDocumentedFree plan 8.0Free Keyword research: YesRank tracking: Yes
- 8 SEOPress No phone app RecognisedPhone appDocumentedFree plan 8.0$4.08/mo Keyword research: YesRank tracking: YesSite audit: Yes
- 9 Frase No phone app RecognisedPhone appDocumentedFree plan 8.0$19/mo Rank tracking: YesSite audit: Yes
- 10 Rank Math SEO No phone app RecognisedPhone appDocumentedFree plan 7.9Free Keyword research: YesRank tracking: YesSite audit: Yes
- 11 Yoast SEO No phone app RecognisedPhone appDocumentedFree plan 7.9$9.90/mo Keyword research: YesRank tracking: Yes
- 12 SEO PowerSuite No phone app RecognisedPhone appDocumentedFree plan 7.9$29.08/mo Keyword research: YesRank tracking: YesSite audit: Yes
- 13 Marketing Miner No phone app RecognisedPhone appDocumentedFree plan 7.9Free
- 14 Keyword Tool No phone app RecognisedPhone appDocumentedFree plan 7.8$68/mo Keyword research: Yes
- 15 Outerank No phone app RecognisedPhone appDocumentedFree plan 7.7$31/mo Keyword research: YesRank tracking: YesSite audit: Yes
- 16 SpyFu No phone app RecognisedPhone appDocumentedFree plan 7.6$29/mo Keyword research: YesRank tracking: YesSite audit: Yes
- 17 Screaming Frog SEO Log File Analyser No phone app RecognisedPhone appDocumentedFree plan 7.6$11.58/mo
- 18 DataForSEO SERP API No phone app RecognisedPhone appDocumentedFree plan 7.6
- 19 Surfaceable No phone app RecognisedPhone appDocumentedFree plan 7.6$23/mo Keyword research: YesRank tracking: YesSite audit: Yes
- 20 Moz Pro No phone app RecognisedPhone appDocumentedFree plan 7.5$6.58/mo Keyword research: YesRank tracking: YesSite audit: Yes
- 21 Authoritas SEO Platform No phone app RecognisedPhone appDocumentedFree plan 7.5£99/mo Keyword research: YesRank tracking: YesSite audit: Yes
- 22 Nokofy No phone app RecognisedPhone appDocumentedFree plan 7.5Free Keyword research: YesRank tracking: YesSite audit: Yes
- 23 Netpeak Spider No phone app RecognisedPhone appDocumentedFree plan 7.5Free
- 24 Seobility No phone app RecognisedPhone appDocumentedFree plan 7.4 Keyword research: YesRank tracking: YesSite audit: Yes
- 25 Serpstat No phone app RecognisedPhone appDocumentedFree plan 7.4$50/mo Keyword research: YesRank tracking: YesSite audit: Yes
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which SEO tool is ranked first on Samsung Mobile US Press?
DefiniteSEO is ranked #1 of 245 with a score of 9.0. Semrush is second and Ahrefs third.
How many of these have a free plan?
20 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, DefiniteSEO has the lowest first paid tier we found: $0.42/mo.
How is this list ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.