Ahrefs vs Moz: Which SEO Tool Should You Choose

Ahrefs and Moz are two long running SEO tools with different strengths. One leans on deep, fast-updating data built for professional SEO work, and the other leans on beginner friendliness, spam detection, and a lower starting price.

This comparison covers current 2026 pricing, keyword and backlink data, and best fit for each. Figures below come from vendor pricing pages and independent 2026 reviews and can change, so confirm current rates before subscribing.

What Is Ahrefs

Ahrefs is an SEO platform known for its backlink database, keyword research, rank tracking, and site audits. Its keyword database covers an estimated 28.7 billion keywords, and its crawler is widely reported to discover new backlinks faster than most competitors thanks to an actively crawling link index.

What Is Moz

Moz is an SEO platform known for Domain Authority, beginner friendly tools, and strong learning resources. Its link index covers an estimated 44.8 trillion links, and it includes a Spam Score metric for assessing link toxicity, a feature Ahrefs does not offer in the same form.

Key Differences

Area	Ahrefs	Moz
Keyword database	About 28.7 billion keywords	About 1.25 billion keywords
Links indexed	Not publicly disclosed	About 44.8 trillion
Rank tracking updates	Weekly on Lite, daily on Standard and above	Daily on every plan
Ease of use	Clear but deep	Beginner friendly
Key metric	Domain Rating (linear scale)	Domain Authority (logarithmic scale)
Entry price (annual)	Lite at about $108 per month	Starter at about $39 per month
Free trial	No paid trial; limited free Webmaster Tools	Yes, 7 days

Features Compared

On keyword research, Ahrefs dominates with roughly 23 times more keyword data than Moz and unique metrics such as Traffic Potential, while Moz counters with built-in search intent analysis and automatic keyword clustering that makes it easier for beginners to organize research. On backlinks, Ahrefs is generally faster at discovering new links thanks to its active crawler, while Moz’s Spam Score metric gives a distinct advantage for assessing link toxicity that Ahrefs does not directly replicate. On site audits, Ahrefs includes AI-powered fix suggestions, while Moz offers on-demand crawls without slot restrictions, letting users re-crawl a site whenever needed rather than waiting for a scheduled slot.

Domain Rating vs Domain Authority

Ahrefs’ Domain Rating (DR) uses a linear scale that emphasizes backlink strength alone, while Moz’s Domain Authority (DA) uses a logarithmic 1-100 scale designed to predict how well a site is likely to rank. Neither metric is a direct Google ranking factor, and the two scores are not directly comparable between tools, so many SEOs track both when auditing a site or vetting link prospects rather than relying on just one.

Pricing

On annual billing, Moz runs from Starter at about $39 per month up to Large at about $239 per month, with custom Enterprise pricing above that, and offers a 7-day free trial. Ahrefs runs from Lite at about $108 per month up to Advanced at about $375 per month, with Enterprise starting near $1,499 per month on an annual-only plan; Ahrefs does not offer a full-featured free trial, though limited free access is available through its Webmaster Tools. Both platforms also offer monthly billing at a premium over the annual rate.

Pros and Cons

Ahrefs pros: much deeper keyword data, faster backlink discovery, and AI-assisted site audits. Cons: a significantly higher price at every comparable tier and no full free trial. Moz pros: a lower entry price, a 7-day free trial, daily rank tracking on every plan including Starter, and a useful Spam Score metric for link toxicity. Cons: a smaller keyword database and less granular data overall compared to Ahrefs.

Learning Resources and Support

Moz has built its reputation partly on education, with the long-running Moz Blog and the Whiteboard Friday video series serving as a common starting point for people new to SEO. This makes it a popular pick for marketing teams that need to train less experienced staff alongside using the tool itself. Ahrefs also publishes extensive guides and a well-regarded YouTube channel, but its documentation leans more toward practitioners who already understand core SEO concepts and want to go deeper into its specific reports and data.

Who Should Choose Which

Choose Ahrefs if you are an SEO specialist or agency that needs deep link and keyword data, manages content at scale, or prioritizes fast link discovery. Choose Moz if you are new to SEO, work in local SEO, need daily rank tracking without paying for a top tier, or want built-in spam detection alongside a lower starting price.

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Frequently Asked Questions

Is Ahrefs better than Moz?

For raw data depth, yes, since Ahrefs covers roughly 23 times more keywords. For price, beginner friendliness, and built-in spam detection, Moz can be the better fit, especially for smaller sites and local SEO work.

Which is cheaper?

Moz is cheaper at every tier, starting around $39 per month on annual billing compared to Ahrefs’ entry Lite plan at about $108 per month.

Is Domain Rating the same as Domain Authority?

No. They are separate metrics from different companies calculated in different ways, Domain Rating on a linear scale focused on backlink strength and Domain Authority on a logarithmic scale meant to predict ranking potential, so the two scores are not directly comparable.

Which has better keyword research?

Ahrefs, by a large margin in raw volume, with about 28.7 billion keywords tracked versus Moz’s roughly 1.25 billion. Moz compensates with easier-to-use features like automatic keyword clustering and built-in search intent labels.

Does either tool offer a free trial?

Moz offers a 7-day free trial on its paid plans. Ahrefs does not offer a full paid-tier free trial, though it provides limited free access through its Webmaster Tools product for verified site owners.

Can I use both tools together?

Yes, and many agencies do, using Ahrefs for deep keyword and backlink research and Moz for its Spam Score toxicity checks and simpler client-facing Domain Authority reporting.

Which is better for a beginner marketing team?

Moz, largely because of its lower price, 7-day free trial, and extensive educational content like the Moz Blog and Whiteboard Friday, which help newer team members learn SEO fundamentals alongside using the tool.

Which tool updates rank tracking data more often?

Moz updates rank tracking daily on every plan, including its entry-level Starter tier. Ahrefs only offers daily updates on its Standard plan and above, with weekly updates on its cheaper Lite tier.

Does Ahrefs or Moz have better site audit tools?

Ahrefs’ site audit includes AI-powered fix suggestions, which can speed up technical SEO work. Moz’s audit tool allows on-demand crawls without slot restrictions, so you are not limited to a fixed number of scheduled crawls per month.

Is there a cheaper way to try Ahrefs before paying full price?

Ahrefs occasionally offers a low-cost 7-day trial of its Lite or Standard plan for a small one-time fee, separate from its free Webmaster Tools, though availability and pricing for this trial can change, so check the current offer on Ahrefs’ pricing page directly.

Which tool is better for tracking competitors?

Ahrefs generally has the edge for competitor tracking thanks to its larger keyword database and faster-updating backlink index, which makes it easier to spot a rival’s new content and link gains quickly.