Best SEO Tools: Semrush vs Moz vs Ahrefs vs Ubersuggest

Best SEO tools in 2021

If you’re new to SEO, you probably are facing the challenge of keeping up with the competition. Honestly, that’s understandable because there’s just so much going on in this field. 

And that’s precisely why it is essential to work in alliance with the software tools, which have been designed to decipher the SEO for your website.

These tools not only outline the metrics for the website’s ranking on SERP (Search Engine Results Pages) but also equip you with the knowledge of strategizing your SEO for the coming months.

Simply put, they facilitate

—a profound judgment of the technical optimality of your website

—an understanding of the website’s alliance with the search engine

—the knowledge of the practices your competitors are following

—the knowledge of the search terms that you must adhere to, and much more.

In that light, all the tools would, in one way or the other, complement your efforts going forward.

However, you’ll have to look through one of them that could serve you the best.

When it comes to the leading SEO tools, there are four that are ruling the industry in 2021

  1. Semrush
  2. Moz
  3. Ahrefs
  4. Ubersuggest

Why consider only Semrush, Moz, Ahrefs and Ubersuggest?

A host of SEO tools are accessible over the Internet; however, not all of them fit the bill when it comes to leading the search engine rankings. 

Apart from Ubersuggest (acquired by Neil Patel in 2017), all the three tools have been around for some time — Moz (2004), Semrush (2008), and Ahrefs (2010).

Undoubtedly, age doesn’t matter, but experience with SEO does. These companies have been noting the activities of search engines, especially Google, for over a decade. 

Ubersuggest is an exception, and we’ll excuse that since it is headed by one of the greatest digital marketers of the 21st century in Neil Patel, and he sure does know how to rank.

Besides their experience, these tools act as an “all in one SEO tool”, thanks to their wide range of services, with the most prominent being:

  • Link Analysis
  • Competitive Analysis
  • Content Analysis
  • Keyword Research
  • Technical Website Audits

In other words, they are alone capable (and sufficient) of boosting your business considering you understand how to use them to the best effect.


Semrush is one of the most comprehensive SEO tools out there. It might feel a little overwhelming at first (for good reasons, of course), but you would find it extremely helpful, especially for your content game.



One of the best things about this tool is that everything is structured — put out in the form of clusters and mind maps, thus, making the visualization and subsequent consumption of data seamless. 

Another thing that stands out about Semrush is its excellent API, which allows for easy access to the tool’s functionality.

Who is this tool for? – Digital Marketers, Content Creators and SEO Consultants.

Not preferred for – Advertising Agencies


  • Easy to Use
  • Excellent for Content Analysis
  • Superb link building functionality
  • Profound organic data analysis


  • Limited to Google
  • Expensive for individuals
  • Non-optimized for mobile



Moz has been the torchbearer of SEO knowledge for long, so much so that a person with absolutely no knowledge about the same would find it easy to comprehend the most sophisticated concepts. 

One seems to realize that Moz knows everything about search engines, and that might be true. 


It is the inventor of Domain Authority (DA), which is a score from 0-100, that determines the possibility of a website ranking on the SERP.

Who is this tool for? – Digital Marketers, Content Creators, SEO Consultants, Advertising and Content Marketing Agencies

Not preferred for – Individual Bloggers


  • Keyword rank tracking
  • Competitor Metrics
  • Excellent Campaign Dashboards
  • Domain authority tracking tool


  • Costly to accommodate
  • Competitive Audit
  • Not-so-good interface



Ahrefs is probably the best tool out there for link analysis and competitive audits. The company lays emphasis on technicalities, and while it might be a little sophisticated primarily, it’s a great resource when you get used to it. 

Most technical SEO professionals prefer using Ahrefs since its link analysis game is on point. Not to forget the excellent UI (user interface) it constitutes and the subsequent great UX (user experience) it facilitates.


Who is this tool for? – Advertising and Content Marketing Agencies, Link Builders, SEO consultants.

Not preferred for – Individual Bloggers


  • Best for evaluating Google Features
  • Link Prospecting
  • Competitive Analysis
  • Ease to Use Reporting


  • Very expensive
  • Relatively weak API
  • Keyword analysis



In all honesty, Ubersuggest was laughed off by SEO professionals when it came onboard; however, it quickly changed the perceptions against it. Now, it sits as one of the go-to SEO tools delivering value for money. 


In short, it’s cheap, and it’s beautiful — it can’t get better than this, can it?

Who is this tool for? – Digital Marketers, Content Creators, SEO Consultants, Advertising and Content Marketing Agencies.

(The price is low, so everyone can try it out)


  • Clean UI
  • Affordable pricing
  • Keyword research
  • Content ideas


  • No dedicated mobile app
  • Unnecessary complexity

Price Comparison: Semrush vs Moz vs Ahrefs vs Ubersuggest

After all, it all comes down to the price, and understandably so. As a business or an individual, you want to keep your budget intact and streamline the processes within it.

Here’s a snapshot of what the pricing of these tools looks like.


Semrush Pricing



Moz Pricing



Ahrefs Pricing



Ubersuggest pricing


In a Nutshell

In all honesty, there’s no single winner because every tool is better for a reason. These are, however, the go-to choices for SEO and can be adopted as all-in-one SEO tools. 

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