SEO & Content Marketing

SEO and content tools research what an audience searches for, guide how a page should be written to rank for it, and track where that page lands over time.

Organic search is the compounding channel: expensive to start, nearly free at scale, and the reason content marketing survives every budget cut. The category has been reshaped twice recently, first by AI writing and now by AI answers that summarize pages instead of sending clicks. The tools worth tracking for a startup are the focused ones that answer a specific question well without the five-figure annual commitment the suites ask for.

Clearscope logo
01

Clearscope

The editor's content grader, now tracking topics across Google and AI chatbots

$129/mo
14 days free trial
Frase logo
02

Frase

The cheapest way to get SEO scoring, drafting, and AI-visibility tracking in one subscription

$39/mo
7 days free trial
SEOTesting logo
03

SEOTesting

Proves whether an SEO change actually worked, using your own Search Console data

$50/mo
14 days free trial
Surfer SEO logo
04

Surfer SEO

Content optimization scores plus a real AI-answer visibility tracker, priced in euros

49 EUR/mo
Paid only
Ranktracker logo
05

Ranktracker

A full SEO suite with unlimited users and projects, weakest on AI search

$39/mo
7 days free trial
Ahrefs logo
06

Ahrefs

The backlink index everyone benchmarks against, with a credit meter and a seat tax

$29/mo
Free plan available
Semrush logo
07

Semrush

Category Leader

The broadest marketing dataset in SEO, now repackaged around AI visibility and owned by Adobe

$139/mo
Free plan available
Moz Pro logo
08

Moz Pro

The tool that invented Domain Authority, still the cheapest serious suite with a real API

$49/mo
Free plan available
Keywords Everywhere logo
09

Keywords Everywhere

Search data overlaid on the pages you already use, for $84 a year

$84/yr
Free plan available
LowFruits logo
10

LowFruits

Finds keywords where weak sites already rank, and charges you by the SERP

About $25 for 2
Free trial available
Mangools logo
11

Mangools

Best Value

Five clean SEO tools plus AI visibility, for less than one extra Ahrefs seat

~$29.90/mo
Free plan available
SE Ranking logo
12

SE Ranking

Agency-grade SEO tooling at small-business prices, with seats that do not punish you

€87.20/mo
14 days free trial
SISTRIX logo
13

SISTRIX

Thirteen years of visibility history, and the index European SEOs argue about

119 EUR/mo
Free trial available
Ubersuggest logo
14

Ubersuggest

The lifetime deal that removes SEO tooling from your monthly costs entirely

$29/mo
Free plan available
Screaming Frog SEO Spider logo
15

Screaming Frog SEO Spider

The desktop crawler every technical SEO owns, at $279 a year with no seat games

Free, then $279
Free plan available
Majestic logo
16

Majestic

The oldest independent link index, split into Fresh and Historic, from about £40 a month

~£40/mo
Free plan available
Serpstat logo
17

Serpstat

An all-in-one suite priced by daily credits, with three seats included at $100

$50/mo
Free plan available
Sitebulb logo
18

Sitebulb

A technical crawler that explains the problem instead of handing you a spreadsheet

~$18/mo
14 days free trial
SpyFu logo
19

SpyFu

Twenty years of competitor keyword history for less than a Semrush seat

$39/mo
Free plan available
Nightwatch logo
20

Nightwatch

A rank tracker with 107,000 locations, unlimited seats, and AI citations in the same chart

€79/mo
14 days free trial
Seobility logo
21

Seobility

A German SEO suite with a free tier that is actually usable, then €49.90

Free
Free plan available
Otterly.AI logo
22

Otterly.AI

Innovation

AI search visibility monitoring from $29, with unlimited team members at every tier

$29/mo
14 days free trial
Peec AI logo
23

Peec AI

Momentum

The Berlin AI visibility tracker that went from zero to $10M ARR in sixteen months

~€85/mo
7 days free trial

Profiles are listed in editorial order. Placement cannot be purchased; see our methodology.