Best Free Amazon Keyword Research Tools

You may be familiar with our post Best Amazon Keyword tools but, what about free tools? Are the any for Amazon keyword research? Of course they are, but their data isn't as complete as the paid tools. So, if you're looking for the best free Amazon Keyword research tools, keep on reading and I'll show you what's on the Market.

Please, be advised, this tools are nothing like Jungle Scout, Helium 10, AMZScout and other paid tools. Their data isn't as accurate and their databases are nothing alike paid tools.

We analyse:

• MerchantWords (recommended)
• Keyword Inspector
• Unicorn Smasher
• KeywordTool.io

Why use a free keyword tool for Amazon?

First reason: you run on a tight budget. Second reason, because the right keywords can be the golden ticket to staggering sales, but you don't have the money to hire someone to do it, so you diy.

Wanna take an expert advice? If you don't have the money, the BEST free Amazon keyword tool is Amazon itself. As you may know, Amazon uses it's own algorithm called A9. And it's search bar has an autocomplete function. I have put up a free spreadsheet to use it. Simply change the main keyword and you'll get suggestions from A9 itself and for every autocomplete + letter on the abecedary.

You'll see that the keywords are limited to 10 results and they will change from day to day. That's because A9 will show you the main keywords (and most searched) for the day. So, let's say you're looking for iphone cases on your keyword research:

Tadaaaa! However, there are more free tools. Not as good as mine, of course, hehehe.

Unicorn Smasher

Unicorn Smasher is a dynamic tool designed for Amazon sellers with 0 budget for keyword researching. Provides real-time data, including prices, bestseller ranks and estimated sales for a certain keyword.

Pros

• Real-time data analysis
• User-friendly interface
• Market insights

Cons

• Limited depth in keyword analysis.

Review

KeywordTool.io

KeywordTool.io is another free tool for Amazon keyword research. It has a vast array of keywords related to your product/ASIN by simply inputting a related keyword. You'll get hundreds of relevant Amazon search terms and how often people search for them.

Pros

• Extensive keyword generation
• Insightful search frequency data

Cons

• No specific data for niche markets
• Displays just a few results, the rest, you have to go PRO

Review

Ahrefs Amazon Keyword Tool

Just like Sistrix, Ahrefs is renowned for its robust SEO tools, and its Amazon Keyword Tool is no exception. It offers detailed keyword research data, including search volume, competition level and keyword suggestions.

But, why is it free if Ahrefs is a paid tool? You're right, because it's not a great tool. YOu only get 100 results and the search volume is mostly coming from estimations.

Pros

• 100 keywords for free

Cons

• Not reliable search volume and competition data

Keyword Tool Dominator

Keyword Tool Dominator is designed mostly for long-tail keywords that are often overlooked but can be highly valuable. Its unique algorithm predicts keywords that Amazon shoppers are likely to use, providing a strategic edge in optimizing your product listings.

Pros

• Focus on long-tail keyword discovery
• Predictive keyword suggestions
• The only free tool that includes some filters, yay!

Cons

• Limited in broader keyword scope

Sonar Amazon Keyword Tool

And last but not least, here comes Sonar Tool, our oldest best friend when it comes to Amazon keyword research for free. This used to be the only tool for keyword research with no cost back in the day. And it used to be offered by Sellics so it's now been acquired by Perpetua.io.

This is a specific tool for Amazon keyword research, offering a large database of keywords used by shoppers. It’s particularly helpful for identifying the exact phrases customers use, thus enabling more targeted and effective keyword optimization.

I'm sad to inform you that, and I quote: “Please note that Sonar Amazon Keyword Research Tool is a legacy feature of the Sellics platform and will be discontinued in the next few months. While we're working to provide the best possible experience, you may encounter older data and occasional performance issues.”

As usual, don't expect search volume by numbers. You'll just get some lines: 5 lines = lots of searches/month. 1 line = just a few searches per month.

Pros

• Extensive keyword database
• Focus on shopper-specific phrases

Cons

• Will be discontinued in a few months

Conclusions

After analyzing these free Amazon keyword research tools, it's clear that each has its strengths and weaknesses (more weaknesses than strenghts, if you ask me). Let's break down the conclusions:

Best Overall Free Tool: KeywordTool.io

• Strengths: extensive keyword generation and insightful search frequency data. It's a great starting point for those new to Amazon selling, providing a broad range of keywords.
• Weaknesses: The tool shows limited results unless you upgrade to the PRO version, and it lacks specific data for niche markets.

Most User-Friendly: Unicorn Smasher

• Strengths: Unicorn Smasher is ideal for sellers with zero budget for keyword research. Its real-time data analysis, user-friendly interface, and market insights make it an excellent choice for beginners.
• Weaknesses: The tool has limited depth in keyword analysis, which might not satisfy advanced users. But, hey, it's free

Best for Long-Tail Keywords: Keyword Tool Dominator

• Strengths: specializes in long-tail keywords and offers predictive keyword suggestions. It's the only free tool in this list that includes some filters.
• Weaknesses: It has limitations in broader keyword scope and might not be as effective for high-competition keywords.

Most Limited Free Version: Ahrefs Amazon Keyword Tool

• Strengths: offers 100 keywords for free, just for basic research.
• Weaknesses: The tool's free version provides unreliable search volume and competition data, making it less useful for detailed analysis.

The Most Reliable Free Tool: Amazon's Own Search Bar

As a personal note, if you're running on a tight budget, the best free tool is Amazon's own search bar with its autocomplete function. While it provides limited results, it's directly sourced from Amazon's A9 algorithm, ensuring relevance and accuracy.

So, in conclusion, while these free tools have limitations compared to paid options like Jungle Scout or Helium 10, they still offer valuable insights, especially for those just starting out or operating with limited budgets.

The choice of tool largely depends on your specific needs, whether it's broad keyword discovery, long-tail keyword focus, or user-friendly interfaces for beginners. And, hey, expect no miracles coming from this tools.

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