Ahrefs vs Moz Pro

Both are SEO tools aimed at marketers, freelancers, agencies and site owners. They differ most on backlink data, value for money and keyword research.

At a glance

AhrefsMoz Pro
Overall score 81/100 Higher 77/100
Free plan Yes No
Paid from £23/mo (about $30.41)
monthly; keyword and competitor research only
$49/mo (about £37.07)
monthly; for a single website
Positioning full suite full suite
Launched 2011 —
Best for Anyone whose SEO work centres on links and competitor research. Small businesses and marketers who want an established SEO suite with AI-search tracking at a mid-range price.

Where each one leads

Dimension Ahrefs Moz Pro Leader
Ease of use 4/5 4/5 Tie
Value for money 2/5 3/5 Moz Pro
Keyword research 5/5 4/5 Ahrefs
Free plan 3/5 2/5 Ahrefs
Rank tracking 4/5 4/5 Tie
Site audits 4/5 4/5 Tie
Breadth of features 4/5 4/5 Tie
Backlink data 5/5 4/5 Ahrefs
AI-search tracking 4/5 4/5 Tie

Scores are 1–5 per dimension. Ahrefs leads on 3 dimensions, Moz Pro on 1. The overall figure weights these for SEO tools generally — see methodology.

Pricing

Plans are listed per tool rather than paired row by row — tiers rarely line up, and putting one vendor's second plan beside another's implies an equivalence that is not there.

ToolPlanPer monthTerms
Ahrefs Free Free your own sites only
Starter £23 monthly; keyword and competitor research only
Lite £99 monthly; 750 tracked keywords, 6 months of history
Standard £199 monthly; 2,000 tracked keywords, 2 years of history
Advanced £359 monthly; 5,000 tracked keywords, 5 years of history
Moz Pro Starter $49 monthly; for a single website
Standard $99 monthly; $79/mo billed yearly
Medium $179 monthly; $143/mo billed yearly
Large $299 monthly; $239/mo billed yearly

Pricing checked 23 September 2026 and 24 September 2026 against each vendor's own pricing page. Ahrefs: Shown to UK visitors in GBP. Annual billing saves up to 17%. Enterprise needs an annual commitment. Moz Pro: Billed in USD. Yearly billing saves 20%. Where the two bill in different currencies, conversions use the European Central Bank reference rate.

Verdict

Ahrefs

  • +Its backlink and site data come from what Ahrefs describes as the world's second-most active web crawler.
  • +A genuinely useful free plan for sites you own, and a £23 Starter plan for light keyword research.
  • +API and MCP access included on every paid plan from Lite upwards.
  • −Lite is £99 a month with only six months of historical data and one user.
  • −Additional users cost £32–£64 a month each depending on plan.

Visit Ahrefs

Moz Pro

  • +Standard and above track AI visibility across ChatGPT, Gemini, Google AI Mode and Perplexity.
  • +Standard tracks 3 sites and 300 keywords and crawls 400,000 pages a month.
  • +A $49 Starter plan for a single website, and a free trial on Medium.
  • −Standard includes one user; a second needs Medium, at $179 a month.
  • −AI content briefs are capped at 2 a month on Standard and 10 on Medium.

Visit Moz Pro

Common questions

Is Ahrefs cheaper than Moz Pro?

Ahrefs starts at £23/mo (about $30.41; monthly; keyword and competitor research only), and Moz Pro starts at $49/mo (about £37.07; monthly; for a single website) — so Ahrefs is the cheaper entry point. Converted at the European Central Bank reference rate. Compare what each includes at that tier, and what it renews at, rather than the headline figure alone.

Does Ahrefs or Moz Pro have a free plan?

Ahrefs has a free plan, and Moz Pro has no free plan.

Which is better, Ahrefs or Moz Pro?

On our weighted scoring across the use cases in this category, Ahrefs comes out ahead overall. The honest answer is that it depends on the use case — the tables above break the score down by dimension so you can weight it to your own priorities.

Other comparisons

Sources & verification

  1. ahrefs.com — checked 23 September 2026
    Ahrefs Free covers data for sites you own; researching competitors needs a paid plan.
  2. api.frankfurter.app — checked 24 September 2026
    European Central Bank reference rate, published via Frankfurter.
  3. moz.com — checked 24 September 2026
    No free Moz Pro plan; Medium has a free trial. Moz also offers separate free SEO tools.