Honest Comparison — Updated March 2026

KeySEO vs Moz Pro
Focused Keyword Research vs Legacy SEO Suite

Moz invented Domain Authority and built one of SEO's most trusted brands — but their keyword research is crippled by query limits (75/mo on Starter!). KeySEO delivers unlimited keyword lookups for $29/month. Here's when each tool actually makes sense.

Best for Keyword Research
KeySEO — Unlimited Lookups
Best for Domain Metrics
Moz — DA Is Industry Standard
Best Value
KeySEO — 70-90% Cheaper

⚡ TL;DR — The Quick Answer

Choose KeySEO If You...

  • Need unlimited keyword research without query caps
  • Want to spend $0-29/mo instead of $49-299/mo
  • Are a content creator planning blog posts and articles
  • Want to check your brand's visibility in AI search (ChatGPT, Gemini)
  • Need a free plan with real data — not a 30-day trial

Choose Moz Pro If You...

  • Need Domain Authority (DA) and Page Authority (PA) scores
  • Run regular site audits with page crawling
  • Track keyword rankings across multiple campaigns
  • Want MozBar browser extension for on-the-fly metrics
  • Need Spam Score to evaluate link quality

💰 Pricing: The Keyword Research Math

Moz's biggest weakness for keyword research is their query limits. Even at $99/mo (Standard), you only get 150 keyword queries per month. That's about 5 queries per day. KeySEO gives you unlimited lookups on Pro for $29/mo.

KeySEO Pricing

Free
5 lookups/day, forever
$0
Starter
100 lookups/day (3,000/mo)
$9/mo
Pro
Unlimited lookups
$29/mo

Moz Pro Pricing

Starter
75 keyword queries/mo
$49/mo
Standard
150 keyword queries/mo
$99/mo
Medium
5,000 keyword queries/mo
$179/mo
Large
15,000 keyword queries/mo
$299/mo

📊 Cost Per Keyword Query

This is the metric that matters for keyword research. How much does each keyword lookup actually cost you?

KeySEO Free
$0.00
150 queries/mo
KeySEO Pro
~$0.01
Unlimited queries
Moz Starter
$0.65
75 queries/mo
Moz Standard
$0.66
150 queries/mo

Moz's Starter plan works out to $0.65 per keyword query. KeySEO Pro's per-query cost approaches zero because lookups are unlimited.

🔍 Feature-by-Feature Breakdown

An honest look at where each tool wins. We're not going to pretend KeySEO does everything Moz does — it doesn't. But for keyword research, the numbers speak for themselves.

🔑

Keyword Research

Winner: KeySEO

KeySEO

  • Unlimited keyword queries on Pro ($29/mo)
  • Search volume, KD, CPC, and competition data
  • Related keywords with full metrics
  • 12-month search trend visualization
  • Country-specific data (US, UK, CA, AU, DE)
  • No campaign setup required — instant results

Moz Pro

  • Keyword Explorer with volume, difficulty, CTR
  • Keyword Suggestions by Topic (AI-powered)
  • SERP analysis showing who ranks and why
  • Limited to 75-15,000 queries/mo depending on plan
  • Keyword lists capped at 25-750 keywords
  • No free plan (30-day trial only)

Verdict: Moz's Keyword Explorer is a solid tool — it shows organic CTR estimates and SERP features, which KeySEO doesn't. But the query limits are the dealbreaker. If you're doing serious content planning, 75-150 keyword queries per month (Starter/Standard) is absurdly low. You'd burn through that in a single afternoon of research. KeySEO gives you unlimited queries for less than Moz's cheapest plan.

🔗

Domain & Link Analysis

Winner: Moz

KeySEO

  • No domain authority metric
  • No backlink analysis
  • No link tracking
  • Not built for link building workflows

Moz Pro

  • Domain Authority (DA) — the industry standard metric
  • Page Authority (PA) for individual pages
  • Spam Score to evaluate link quality
  • Backlink analysis (75-70,000 queries/mo)
  • Link Tracking Lists for monitoring acquired links

Verdict: This isn't close. Moz literally invented Domain Authority, and it remains the most widely cited domain metric in the SEO industry. If you need DA scores, link analysis, or Spam Score — Moz is the tool. KeySEO doesn't compete here because it's not trying to. Different tools for different jobs.

🔧

Site Audit & Technical SEO

Winner: Moz

KeySEO

  • No site audit feature
  • No page crawling
  • No on-page grader

Moz Pro

  • Site crawl: 20K-5M pages depending on plan
  • On-page optimization grader
  • Performance metrics tracking
  • On-demand crawls for quick audits
  • Crawl scheduling and re-crawls (Medium+)

Verdict: Another clear Moz win. If you need to find broken links, crawl errors, missing meta tags, duplicate content, or other technical SEO issues — Moz does that. KeySEO is a keyword research tool, not a technical SEO auditor. For technical SEO, pair KeySEO with a free tool like Screaming Frog (up to 500 URLs free) or Google Search Console.

🤖

AI Search & Future-Proofing

Winner: KeySEO

KeySEO

  • LLM Visibility Checker — test if AI recommends your brand
  • Checks ChatGPT (GPT-4o) and Google Gemini
  • Query variation analysis for reliability
  • Visibility scoring (0-100) across providers
  • Context extraction — see exactly how AI describes you

Moz Pro

  • AI Overviews by Keyword — see which keywords trigger AI snippets
  • Brand Authority Score (new AI-era metric)
  • AI Visibility tracking (beta, Medium+ plans only)
  • Moz AI-powered tools across all plans

Verdict: Both tools are investing in AI search features, but with different approaches. KeySEO's LLM Visibility Checker lets you directly test whether ChatGPT and Gemini recommend your brand — actionable, immediate, available to all users. Moz's AI Overviews tracks which keywords trigger Google's AI snippets, and their AI Visibility feature (beta) is limited to Medium ($179/mo) and Large ($299/mo) plans. KeySEO wins on accessibility — AI features available on every plan vs. locked behind $179+/mo for Moz.

📈

Rank Tracking

Winner: Moz

KeySEO

  • No rank tracking feature
  • Use Google Search Console (free) for rank data

Moz Pro

  • 50-3,000 tracked keywords depending on plan
  • Mobile and desktop ranking data
  • Multi-campaign tracking (1-25 sites)
  • Rank Checker on-demand queries (200-500/day)

Verdict: Moz wins on rank tracking. If you need to monitor keyword positions over time across multiple sites, Moz includes it in every plan. KeySEO doesn't offer rank tracking — for most users, Google Search Console (free) provides sufficient ranking data. But if you need historical trend charts, competitor ranking comparison, and mobile vs. desktop tracking, Moz has you covered.

🧩

Browser Extension

Winner: Moz

KeySEO

  • No browser extension
  • Web app only — works in any browser

Moz Pro

  • MozBar Premium — DA/PA overlay on any page
  • SERP overlay showing DA scores in Google results
  • On-page analysis while browsing
  • Included with all paid plans

Verdict: MozBar is genuinely useful — seeing DA scores overlaid on Google search results as you browse is a workflow that many SEOs rely on daily. KeySEO doesn't have a browser extension. If MozBar is a key part of your workflow, that's a real reason to keep Moz.

🎯

Competitive Research

Draw

KeySEO

  • Related keywords reveal competitor gaps
  • Keyword difficulty shows competitive landscape
  • CPC data reveals commercial intent
  • LLM visibility — see if competitors appear in AI results

Moz Pro

  • Domain comparison (DA side-by-side)
  • Competitive research queries (20-100/mo)
  • See competitors' top-ranking keywords
  • Domain overview with keyword overlap

Verdict: Different strengths. Moz shows domain-level competitive data (DA comparison, competitor keyword overlap, top-ranking pages). KeySEO shows keyword-level competitive data (difficulty, CPC, related terms) and AI visibility. Moz is better for "who are my competitors and how strong are they?" KeySEO is better for "what keywords should I target and can I compete?"

🎬 Real-World Scenarios

Choosing between tools depends on your situation. Here's who should pick what.

✍️

Content Creator / Blogger

You write 2-4 blog posts per week and need to research keywords before each one. You need search volumes, difficulty scores, and related keyword ideas.

Recommended: KeySEO ($0-29/mo)

Moz Starter's 75 keyword queries/month means you'd run out in 2 weeks. KeySEO gives you unlimited research to plan content without counting queries.

🏢

SEO Agency Managing Clients

You manage 5-10 client sites. Need site audits, rank tracking, DA monitoring, competitor analysis, and keyword research for each client.

Recommended: Moz Medium ($179/mo) + KeySEO Pro ($29/mo)

Moz Medium for audits, rank tracking, and reporting. KeySEO Pro for unlimited keyword research without burning through Moz's query limits.

🚀

Startup Founder Building SEO from Scratch

You're bootstrapping. Every dollar counts. Need keyword research to plan your first 50 pages of content and understand your competitive landscape.

Recommended: KeySEO Free ($0/mo)

5 free lookups/day is enough to research 1-2 keywords daily. Combine with Google Search Console (free) for rank tracking and technical insights. Upgrade when revenue justifies it.

🔗

Link Builder / Outreach Specialist

You evaluate link prospects by DA, check for spam signals, and monitor acquired backlinks. Keyword research is secondary.

Recommended: Moz Standard ($99/mo)

DA, Spam Score, and MozBar are essential for link building workflows. KeySEO doesn't have link metrics. Moz Standard includes 5,000 backlink queries/month.

🛒

E-Commerce Product SEO

You research product keywords, analyze commercial intent via CPC, and plan category/product page content at scale.

Recommended: KeySEO Starter ($9/mo)

100 lookups/day covers bulk product keyword research. CPC data helps prioritize high-commercial-intent keywords. Upgrade to Pro if you need unlimited.

📊

In-House SEO at a Medium Company

You need everything: keyword research, technical audits, rank tracking, competitor monitoring, and reporting for stakeholders.

Recommended: Both — Moz Standard ($99/mo) + KeySEO Pro ($29/mo)

Total $128/mo — less than Moz Medium ($179/mo) alone, and you get unlimited keyword research plus Moz's full Standard features. Best of both worlds.

🤔 The Domain Authority Question

Let's address the elephant in the room. Moz's biggest unique asset is Domain Authority (DA) — the 0-100 metric that's become the industry standard for evaluating domain strength. It's used in outreach templates, link building negotiations, and client reports everywhere.

Why DA Matters

  • • Industry-standard metric everyone understands
  • • MozBar shows DA on any page as you browse
  • • Link prospects are evaluated by DA
  • • Client reports and benchmarks often use DA
  • • Spam Score helps identify toxic links

Why DA Isn't Everything

  • • Google doesn't use DA — it's a third-party metric
  • • DA can be manipulated (PBNs, link spam)
  • • A DA 30 site can outrank a DA 60 site with better content
  • • Keyword difficulty (available in KeySEO) often matters more
  • • Google Search Console shows actual performance, not estimates

Bottom line: If DA is central to your workflow (link building, client reporting, outreach), keep Moz. If you're focused on content creation and keyword targeting, keyword difficulty scores (available in KeySEO for free) are more actionable than DA for deciding what to write about.

⚠️ The Moz "Query Tax" Problem

The most frustrating aspect of Moz Pro for keyword research isn't the price — it's the query limits. Let's do the math on what "75 keyword queries per month" actually means:

2.5
Queries per day
Moz Starter (75/mo)
5
Queries per day
Moz Standard (150/mo)
Queries per day
KeySEO Pro ($29/mo)

If you're planning a content calendar, you might research 20-50 keyword ideas in a single session. On Moz Starter, that's your entire month's allocation gone in one afternoon. Even Moz Standard (150/mo at $99/mo) barely covers a week of serious keyword research. You shouldn't have to ration keyword lookups in 2026 — not when KeySEO Pro gives you unlimited for $29/mo.

🔬 Try KeySEO Right Now

No signup required. Enter any keyword and see real data — search volume, keyword difficulty, CPC, competition, and related keywords. This is what unlimited keyword research looks like.

📐 Data Accuracy: How Both Tools Get Their Numbers

KeySEO's Data Pipeline

Source: DataForSEO API, which aggregates data from Google Keyword Planner, Google Ads, and clickstream data from ISPs and browser extensions.

Search Volume: Monthly averages from Google Keyword Planner, updated monthly. Exact values (not ranges like free GKP).

Keyword Difficulty: 0-100 score based on top-10 SERP analysis — backlink profiles, domain strength, content quality, on-page optimization, and brand authority of ranking pages.

CPC: Actual Google Ads cost-per-click averages for the selected country.

Refresh Rate: Data updated monthly through DataForSEO's continuous crawl pipeline. Real-time API calls on every query.

Moz's Data Pipeline

Source: Moz's proprietary index, built from their web crawler (one of the largest), plus Google Keyword Planner data and clickstream data.

Search Volume: Monthly estimates sourced from Google Keyword Planner and their own clickstream analysis. Generally accurate for medium-to-high volume keywords.

Keyword Difficulty: 0-100 score based primarily on DA/PA of top-10 ranking pages. Heavily weighted toward link-based signals because of Moz's strength in link data.

Organic CTR: Unique to Moz — estimates what % of searchers actually click organic results vs. paid ads and SERP features.

Refresh Rate: Moz's link index updates every 3-4 weeks. Keyword data updates monthly.

Both tools provide professional-grade keyword data. Moz has a slight edge in link-based KD accuracy (because they have a massive link index), while KeySEO offers broader ranking-factor-based difficulty analysis. For practical keyword research decisions, both are sufficient.

❓ Frequently Asked Questions

🏆 Final Verdict

Moz is a respected legacy platform that invented Domain Authority. It excels at link analysis, site audits, and rank tracking. But for keyword research, it's hamstrung by severe query limits — 75/mo on Starter ($49/mo) is barely usable.

🔑

For Keyword Research

KeySEO wins decisively. Unlimited queries for $29/mo vs. 75-150 queries for $49-99/mo on Moz. The math isn't close.

🔗

For Link & Domain Analysis

Moz wins. DA, PA, Spam Score, and MozBar are unique, industry-standard tools that no one else replicates exactly.

💡

Best Combo

KeySEO Pro ($29) + Moz Standard ($99) = $128/mo. Less than Moz Medium ($179), but with unlimited keyword research + full Moz features.

📚 More Comparisons & Resources

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