Sorted by starting price

6 Cheapest Keyword Research Tools of 2026

By the Rankozo research desk · Updated November 9, 2026

Among the 9 tools in our best keyword research tools ranking, Keywords Everywhere has the lowest verified paid starting price at $7 per month, billed $84 yearly. Prices below are quoted from each vendor's US pricing page.

1. 01

   Keywords Everywhere

   Site owners and bloggers who want keyword volumes while they browse for the lowest monthly cost.

   Free extension features; Bronze $84 per year ($7 per month), Silver $168, Gold $480, Platinum $1,440 per year

   Full entry, No. 1 overall

   Starts at

   $7

   Score 8.6

2. 02

   LowFruits

   Niche site owners and bloggers hunting for easy-to-rank long-tail keywords.

   Standard $20.75 per month billed yearly ($29.90 monthly); Premium $62.45 billed yearly; pay-as-you-go credits from $25

   Full entry, No. 4 overall

   Starts at

   $20.75

   Score 8.2

3. 03

   Ahrefs

   Freelance SEOs who need keyword difficulty, traffic potential and competitor data in one place.

   Ahrefs Free for site owners; Starter $29 per month; Lite $129, Standard $249, Advanced $449 per month

   Full entry, No. 2 overall

   Starts at

   $29

   Score 8.5

4. 04

   Moz Pro

   Individuals managing one website and small businesses that want a familiar suite.

   Entry-level plan $49 per month for one website; Standard $99 per month or $79 per month paid yearly

   Full entry, No. 5 overall

   Starts at

   $49

   Score 8.2

5. 05

   Serpstat

   Freelancers who want a full SEO suite for about $50 a month.

   Individual $50 per month on annual billing; Team $100 and Team x2 $169 per month; 7-day free trial

   Full entry, No. 8 overall

   Starts at

   $50

   Score 8.2

6. 06

   Semrush

   Freelancers and small businesses that want keyword research, SEO and AI visibility in one subscription.

   Free account with 10 reports a day; SEO plan $117.33 per month billed annually ($139 monthly); 7-day free trial

   Full entry, No. 7 overall

   Starts at

   $117.33

   Score 8.2

Scores and prices come from our Best Keyword Research Tools ranking, which uses one method for every tool. Questions or corrections: editorial@rankozo.com