Every tool here has a free plan, a free version or a free trial, according to the vendor's own site. What the free version includes varies a lot, so each entry says exactly what you get.
Technical audit (can AI crawlers reach and read you)
A free one-page technical SEO audit that also covers AI search: indexability, canonical, titles, headings, sitemap, internal links, structured data and speed, plus whether Google, ChatGPT, Claude and Perplexity can crawl and read the page, with the exact fix for each issue.
- Best for
- A free, fast technical audit of a page for Google and AI search, with fixes you can hand to a developer
- Starting price
- Free audit; full report ₹499 (one-time); Pro ₹1,499/month; Agency ₹4,999/month
- Free plan or trial
- Yes: the full audit, every check's status and the top 3 fixes, no account
- Engines
- Checks access for ChatGPT search, Claude, Perplexity, Google AI Overviews/AI Mode, Bing/Copilot and 25 more crawlers
- Agency / white-label
- Yes: Agency ₹4,999/month (white-label reports, branded widget, lead capture)
- Limits to know
- Audits one page at a time; no keyword database, backlink index or rank tracking
Run a free audit
All-in-one SEO suite
Ahrefs is an SEO suite built around Site Explorer, Keywords Explorer, Site Audit and Rank Tracker, backed by its own web crawler. Brand Radar AI, an add-on, tracks brand mentions across AI prompts.
- Best for
- deep backlink and keyword data from a large independent crawler
- Starting price
- Starter: $29/mo (renews monthly only); Lite: $129/mo; Ahrefs Free: Free
- Free plan or trial
- Yes. Ahrefs Free (formerly Ahrefs Webmaster Tools) is free for verified websites and includes Web Analytics, Site Audit (5K crawl credits/month per project) and Site Explorer (1K backlinks and keywords visible at once). The pricing page doesn't describe a free trial of the paid plans.
- Agency / white-label
- Partly. No white-label language on the pricing page. Advanced includes an "Agency directory listing", and the Report Builder add-on costs $99/mo.
- Limits to know
- Starter: 200 credits/month, 50 Rank Tracker keywords, 1 unverified project, 1 month of history; extra users and credits can't be bought, and it renews monthly only. Lite: 5 non-verified projects, 750 tracked keywords, 150 AI prompt checks, 100,000 crawl credits, 6 months of history, up to 2 extra users at $40/mo each. Enterprise: annual commitment required. Brand Radar AI is an add-on from $199/mo. Annual billing saves "up to 17%".
Ahrefs pricing (vendor's site)
All-in-one SEO suite
Conductor is an enterprise SEO and answer engine optimization platform with content creation, search and AI visibility intelligence, site monitoring and tools for AI agents.
- Best for
- an enterprise team that needs SEO and AI visibility across many sites and markets
- Starting price
- Not published (usage-based tiers; Essentials has a free trial)
- Free plan or trial
- Yes. Try the Essentials plan for free, plus a free AI visibility check.
- Agency / white-label
- No. It's aimed at in-house teams; no agency plan is listed.
- Limits to know
- Prices are by quote, and the Enterprise tier goes through sales
Conductor pricing (vendor's site)
All-in-one SEO suite
Moz Pro is an SEO suite with keyword research, rank tracking, site crawls, link research and AI visibility tracking, built around Moz metrics such as Domain Authority. MozBar, its free browser extension, shows those link metrics and on-page elements while you browse.
- Best for
- Domain Authority link metrics plus a free SEO toolbar
- Starting price
- Starter: $49/month; Standard: $99 USD/mo, or $79/mo when paid yearly. MozBar: Free
- Free plan or trial
- Yes. Moz Pro has a 7-day free trial (signup page: "Free for 7-days!"). MozBar is a free Chrome and Firefox extension, and a free Moz Community account gives limited access to MozBar, Keyword Explorer and Link Explorer.
- Agency / white-label
- Partly. Branded Reports are included on the Medium and Large plans, not Standard. There is no dedicated agency plan on the pricing page; agencies are pointed to Moz Enterprise and an Agency Solutions page.
- Limits to know
- Standard: 1 user, 3 tracked sites, 300 tracked keywords, 400K pages crawled per month, 150 keyword queries per month, 150 tracked prompts (weekly). Starter is "designed specifically for individuals managing a single website". Extra seats cost $49/mo each. Site Re-crawls aren't on Standard. MozBar Premium features (Brand Authority, Ranking Keywords, Domain Overview) need a Moz Pro subscription.
Moz Pro pricing (vendor's site)
All-in-one SEO suite
SE Ranking is an SEO and GEO platform with rank tracking, keyword and competitor research, a backlink checker, a website audit and AI search tracking (AI Overviews, AI Mode, ChatGPT, Gemini).
- Best for
- an all-in-one SEO suite with a low-cost white-label add-on for agencies
- Starting price
- Core: $129.00/mo, or $103.20/mo with annual billing ("Save 20%")
- Free plan or trial
- Yes. Free 14-day trial, no credit card required, with starter limits: 10 projects, 750 tracked keywords per day, 20 AI prompts per day and AI competitive research for 3 domains. No free plan.
- Agency / white-label
- Yes. The Agency Pack add-on costs +$69.00/mo, annual billing only. It includes 30 client seats, white label for the platform and reports, unlimited scheduled reporting with AI summaries, Agency Catalog placement and Lead Generator.
- Limits to know
- Core: 10 projects, 1 manager seat, 2k keywords and 100 prompts tracked daily, 5 GEO research domains, 250k pages per month in audit, 6 months of history. Extra manager seats from $16. The AI Search add-on is +$71.20/mo on annual billing. The Agency Pack and API add-ons are annual-only.
SE Ranking pricing (vendor's site)
All-in-one SEO suite
Semrush is an SEO and AI search platform for keyword research, competitor analysis, position tracking, site audits and AI visibility tracking. Separate toolkits cover local, content, social, advertising, PR and traffic and market data.
- Best for
- an all-in-one SEO suite that also tracks AI search visibility
- Starting price
- $139/month for the SEO plan ($117.33/month billed annually); free plan available
- Free plan or trial
- Yes. Free plan at $0/mo (1 demo project, 10 reports per day across all vital tools, no credit card required) plus a 7-day free trial ("Try Semrush free for seven days. Cancel anytime.")
- Agency / white-label
- Partly. No dedicated agency plan; the Pro Report add-on ($20/mo) includes "Branding and white-labeling", and the Lead Generation add-on ($90/mo) adds a branded profile on the Semrush Agency Partners platform.
- Limits to know
- SEO plan: 5 websites, 500 keywords tracked daily. Free: 1 demo project, 10 reports/day. Additional users start at $45/mo; "Team users" are listed only on Advanced (custom price). Annual billing saves "up to 17%". AI Visibility, Local, Content and other toolkits are priced separately.
Semrush pricing (vendor's site)
All-in-one SEO suite
SEO PowerSuite is a desktop bundle of four tools: Rank Tracker, WebSite Auditor, SEO SpyGlass for backlinks and LinkAssistant for link outreach.
- Best for
- a one-time-a-year desktop suite with rank tracking, audits and backlinks
- Starting price
- Free version; Professional $349/year; Enterprise $599/year
- Free plan or trial
- Yes. Free forever, but projects can't be saved and audits stop at 500 URLs and 1,100 backlinks.
- Agency / white-label
- Yes. White-label SEO reports on Enterprise and Max +.
- Limits to know
- Desktop software; the free version can't save projects; multi-year plans cost less per month
SEO PowerSuite pricing (vendor's site)
Site audit and crawler
Netpeak Spider is a desktop SEO crawler and site audit tool with scraping and Google Analytics and Search Console integration. Netpeak Checker, sold separately, checks URLs in bulk against 450 parameters.
- Best for
- a low-cost desktop crawler for site audits
- Starting price
- $20/month
- Free plan or trial
- Yes. A 3-day free trial, then a 14-day money-back guarantee.
- Agency / white-label
- No. The pricing page mentions no white-label or branded reports; multi-user discounts apply.
- Limits to know
- Single-product prices are monthly; yearly prices are for bundles; Netpeak Checker is Windows only
Netpeak Spider pricing (vendor's site)
Site audit and crawler
Screaming Frog SEO Spider is a desktop crawler that walks a whole site and reports broken links, redirects, titles and meta data, canonicals, hreflang and more, with JavaScript rendering and Search Console and Analytics integrations.
- Best for
- a deep crawl of an entire site from your own computer
- Starting price
- Free (up to 500 URLs); paid licence £199/$199/€199 per user per year
- Free plan or trial
- Yes. The free version crawls up to 500 URLs per crawl; the paid licence removes the limit.
- Agency / white-label
- No. The pricing page lists no white-label or agency plan; volume discounts start at 5 licences.
- Limits to know
- Runs on your own computer, so crawl size depends on its memory and storage; licences are per user and renew yearly
Screaming Frog SEO Spider pricing (vendor's site)
Free SEO checker
Lighthouse is Google's open-source page auditor. It runs in Chrome DevTools, from the command line, as a Node module or through PageSpeed Insights, and scores Performance, Accessibility, Best Practices and SEO.
- Best for
- a free performance and accessibility audit with basic SEO checks
- Starting price
- Free (open source)
- Free plan or trial
- Yes. Free and open source.
- Agency / white-label
- No
- Limits to know
- Its SEO category is a short list of basic checks on the rendered page; it doesn't test how AI crawlers or a firewall treat your site
Google Lighthouse pricing (vendor's site)
Free SEO checker
SEO Review Tools offers free tools such as a keyword tool, rank checker, backlink checker, website SEO checker, content editor and readability checker, plus paid APIs for backlinks, keywords, traffic and AI visibility.
- Best for
- free single-purpose SEO checks and APIs for automation
- Starting price
- Free tools; paid APIs (prices on the API site)
- Free plan or trial
- Yes. 83 free SEO and AI tools, according to its homepage.
- Agency / white-label
- No. None mentioned; the APIs are aimed at automated reporting.
- Limits to know
- Prices weren't listed on the pages we checked
SEO Review Tools pricing (vendor's site)
Free SEO checker
SEO Site Checkup analyzes pages against 70+ ranking factors and monitors sites weekly, with keyword tracking, competitor comparison, uptime and site speed monitoring.
- Best for
- scheduled SEO checks and white-label reports at a low monthly price
- Starting price
- Basic $39/month, or $29/month billed yearly
- Free plan or trial
- Yes. A 7-day free trial.
- Agency / white-label
- Yes. White-label reports on the Webmaster and Professional plans.
- Limits to know
- Basic: 3 monitored sites, 50 tracked keywords, no team seats or white-label reports
SEO Site Checkup pricing (vendor's site)
Free SEO checker
Small SEO Tools is a large collection of free single-purpose tools: plagiarism and grammar checks, keyword position and density, backlink checker, meta tag analyzer, robots.txt and sitemap generators, page speed and domain checks.
- Best for
- a quick free tool for one small task
- Starting price
- Free tools; paid bundles from $9.99/month
- Free plan or trial
- Yes. Most tools are free; Pro versions of some (plagiarism, paraphrasing, image search, DA and spam score) are paid.
- Agency / white-label
- No
- Limits to know
- Separate single-purpose tools rather than one audit; paid plans are sold per tool
Small SEO Tools pricing (vendor's site)
WordPress SEO plugin
All in One SEO is a WordPress SEO plugin for titles, meta, sitemaps, schema and on-page analysis, with paid tiers for more sites and features.
- Best for
- a WordPress SEO plugin with plans sized by number of sites
- Starting price
- Basic €49.50 for the first year (1 site), renewing at full price
- Free plan or trial
- Yes. A free version (AIOSEO Lite) is on WordPress.org; paid plans have a 14-day money-back guarantee.
- Agency / white-label
- Partly. The Elite plan covers 100 sites and includes client management; no white-label branding is listed.
- Limits to know
- Listed prices are introductory first-year prices; renewals are at full price, and the page mixes euro and dollar labels
All in One SEO (AIOSEO) pricing (vendor's site)
WordPress SEO plugin
Rank Math is a WordPress SEO plugin for titles, meta, schema, sitemaps, redirects and Search Console data in the dashboard, with one-click import from Yoast, AIOSEO and SEOPress.
- Best for
- a feature-rich WordPress SEO plugin with a strong free version
- Starting price
- Free plugin; PRO €7.99/month billed annually (renews at €8.99/month)
- Free plan or trial
- Yes. A free version with a setup wizard, Search Console integration, canonical URLs and a robots.txt editor; 30-day money-back guarantee on paid plans.
- Agency / white-label
- Partly. Business (100 client sites) and Agency (500 client sites) plans; the FAQ says there is no white-label option.
- Limits to know
- PRO covers personal sites only, not client sites; introductory prices renew higher
Rank Math pricing (vendor's site)
WordPress SEO plugin
SEOPress is a WordPress SEO plugin for titles, meta descriptions, sitemaps, redirections and meta robots. PRO adds a schema editor and a robots.txt and .htaccess editor.
- Best for
- a lightweight WordPress SEO plugin that agencies can white-label
- Starting price
- Free plugin; PRO from $49/year (1 site) or $149/year (unlimited sites)
- Free plan or trial
- Yes. The free plugin covers titles and meta, XML and HTML sitemaps, redirections and meta robots.
- Agency / white-label
- Yes. White label is included: you can replace the plugin name, logo, links and screens.
- Limits to know
- The robots.txt editor and schema editor are PRO features
SEOPress pricing (vendor's site)
WordPress SEO plugin
Yoast SEO is a WordPress plugin for titles, meta descriptions, sitemaps and content analysis. Premium adds redirect management, up to five keyphrases per post, internal linking suggestions, AI-drafted titles and descriptions, and Local, Video and News SEO add-ons.
- Best for
- the most familiar WordPress SEO plugin, with content analysis built into the editor
- Starting price
- Free plugin; Premium $118.80/year per site (ex VAT)
- Free plan or trial
- Yes. The core Yoast SEO plugin is free; Premium is a yearly subscription per site.
- Agency / white-label
- Partly. No white-label option; bulk discounts for several sites and custom licensing for agencies with 100 or more client sites.
- Limits to know
- One Premium subscription covers one site or domain
Yoast SEO pricing (vendor's site)
Browser extension
Keyword Surfer is a free Chrome extension from Surfer that shows search volume, cost per click, estimated traffic and keyword ideas directly on Google's results page, for 70 countries.
- Best for
- free search volumes and keyword ideas without leaving Google
- Starting price
- Free
- Free plan or trial
- Yes. Surfer says it is "100% Free. Forever."
- Agency / white-label
- No
- Limits to know
- Chrome only; shows data on the results page rather than auditing your site
Keyword Surfer pricing (vendor's site)
Browser extension
SEO META in 1 CLICK is a Chrome extension that shows a page's title and description with their lengths, canonical, meta robots, H1 to H6 outline, image alt counts, links, Open Graph and Twitter data, robots.txt and sitemap.
- Best for
- a one-click view of a page's meta tags and heading outline
- Starting price
- Free (no price shown on the Chrome Web Store listing)
- Free plan or trial
- Yes. The Chrome Web Store listing shows no price.
- Agency / white-label
- No
- Limits to know
- One page at a time; the listing was last updated on 31 August 2024
SEO META in 1 CLICK pricing (vendor's site)
Browser extension
SEOquake is a free browser extension from Semrush that shows a page's title, meta description, headings, canonical and indexability, runs a page-level audit, overlays metrics on Google results and reports keyword density and links.
- Best for
- quick on-page and search-result metrics while you browse
- Starting price
- Free
- Free plan or trial
- Yes. Free; a free Semrush account adds metrics such as Authority Score.
- Agency / white-label
- No
- Limits to know
- Works on one page at a time in your browser; seoquake.com now redirects to a Backlinko page, so install it from the Chrome Web Store
SEOquake pricing (vendor's site)
Keyword research
Mangools is a suite of five tools: KWFinder for keyword research, SERPChecker, SERPWatcher for rank tracking, LinkMiner for backlinks and SiteProfiler for domain metrics.
- Best for
- easy keyword research with difficulty scores
- Starting price
- Free account (5 lookups per 24 hours); paid Basic, Premium and Agency plans
- Free plan or trial
- Yes. A free account with 5 lookups per 24 hours; 48-hour money-back guarantee on paid plans.
- Agency / white-label
- Partly. There's an Agency plan with daily rank updates; no white-label option is mentioned.
- Limits to know
- Rank tracking updates weekly except on the Agency plan; the pricing page didn't show prices when we checked, so see the vendor's site
Mangools (KWFinder) pricing (vendor's site)
Content writing and optimization
Surfer is a content optimization platform that drafts and scores articles against what ranks in Google and AI search. It also audits existing pages and tracks brand visibility in AI answers.
- Best for
- content briefs and on-page scoring for articles that need to rank
- Starting price
- Discovery: 49 USD per month, billed yearly
- Free plan or trial
- Yes, a trial only. There is no free plan, but new accounts get a 7-day free trial of the Pro plan. Billing details are entered at checkout, and the trial "does not cancel automatically".
- Agency / white-label
- Partly. White-label is listed only on the custom-priced Enterprise plan. An agency solutions page exists, but there is no separate agency pricing.
- Limits to know
- Discovery: 120 documents, 10 tracked pages, no AI prompt tracking. Standard ($99/mo billed yearly): 25 AI prompts refreshed weekly. API access only on Peace of Mind ($299/mo billed yearly). The pricing page shows yearly-billed prices only. The trial is limited to new accounts.
Surfer SEO pricing (vendor's site)
Content writing and optimization
WriterZen combines topic discovery, keyword research and clustering, an AI-assisted content creator and a plagiarism checker.
- Best for
- keyword clustering and content planning for a one-time price
- Starting price
- Keyword Research plan $135 one-time (lifetime access)
- Free plan or trial
- Yes. A free trial (length not stated) and a 21-day money-back warranty on the lifetime deal.
- Agency / white-label
- No. Team seats from $9/seat/month; no white-label option is mentioned.
- Limits to know
- Keyword and Google NLP credits are limited and sold as add-ons
WriterZen pricing (vendor's site)
Rank tracker
Advanced Web Ranking is a rank tracker with AI visibility and citation tracking, local and mobile rankings, SERP feature analysis and SEO forecasts, with unlimited users and projects.
- Best for
- agency-grade rank tracking with white-label reporting
- Starting price
- Pro 139/month (currency not shown on the pricing page)
- Free plan or trial
- Yes. A free trial; all plans have a 30-day money-back guarantee.
- Agency / white-label
- Yes. White-label reports on Agency and higher plans, and on all yearly subscriptions.
- Limits to know
- Keyword allowances assume weekly updates; daily updates use about seven times as many
Advanced Web Ranking pricing (vendor's site)
Rank tracker
Ranktracker bundles a rank tracker, keyword finder, SERP analyzer, backlink checker and monitor, and a website audit, with unlimited projects and users on every plan.
- Best for
- daily rank tracking with keyword and backlink tools in one subscription
- Starting price
- Launch $39/month, or about $31.20/month billed annually
- Free plan or trial
- Yes. A 7-day free trial with no payment details.
- Agency / white-label
- No. No white-label reports are listed; every plan includes unlimited users.
- Limits to know
- Launch: 500 keywords tracked daily (top 100); no refunds during discounted promotions
Ranktracker pricing (vendor's site)
Rank tracker
SpySERP is a rank tracker for desktop and mobile results across several search engines, with competitor monitoring, keyword clustering and a free SERP checker.
- Best for
- cheap pay-for-what-you-check rank tracking
- Starting price
- Free plan (5 keywords); Pro 5k $9/month
- Free plan or trial
- Yes. A free plan (1 project, up to 5 keywords) and a 7-day trial that needs a card.
- Agency / white-label
- No. None mentioned.
- Limits to know
- Priced by keyword checks per month; overages are charged per 1,000 checks
SpySERP pricing (vendor's site)
Local SEO
BrightLocal is a local SEO platform for local rank tracking, Google Business Profile and listings management, citation building and review monitoring, priced by number of locations.
- Best for
- local rankings, listings and reviews for businesses with one or many locations
- Starting price
- Track $31/month billed annually ($369/year) for 1 location
- Free plan or trial
- Yes. A 14-day free trial, no credit card required.
- Agency / white-label
- Yes. White-labelling of tools and reports, plus an Agency Lead Generator.
- Limits to know
- Price rises with the number of locations; monthly billing is 25% more than annual
BrightLocal pricing (vendor's site)
Local SEO
rankingCoach is a do-it-yourself marketing tool for small businesses, covering SEO tasks, local listings, Google Ads, reviews and social media monitoring.
- Best for
- guided do-it-yourself SEO for a small local business
- Starting price
- Free plan; rankingCoach 360 $40/month billed annually ($480/year)
- Free plan or trial
- Yes. A free-forever plan with 1 project and 10 tracked keywords.
- Agency / white-label
- Partly. There's an Agency and Web Professionals section; no white-label terms are on the pricing page.
- Limits to know
- 360: 50 keywords and 5 locations per project; extra projects cost extra; monthly billing has a $25 setup fee
rankingCoach pricing (vendor's site)
SEO data API
DataForSEO sells SEO data through APIs: search results from Google, Bing and YouTube, keyword volumes and trends, and more, billed per request from a prepaid balance that doesn't expire.
- Best for
- raw search and keyword data for your own tools and reports
- Starting price
- Pay as you go; minimum top-up $50; SERP API from $0.0006 per SERP
- Free plan or trial
- Yes. A $1 trial credit and a free sandbox with sample responses.
- Agency / white-label
- No. White-label use isn't mentioned on the pricing page.
- Limits to know
- For developers: you build the reports yourself
DataForSEO pricing (vendor's site)