KeywordSearch vs Semrush (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: KeywordSearch does not list a price
Free plan
Semrush
Only Semrush has one
Higher rating
Semrush
3.8 against 4.5
Same job?
Yes
Both are SEO tools

Side by side

Compared on	KeywordSearch	Semrush
Our rating	3.8	4.5Better
Starts at	Not listed	$139/mo
Free plan	No	YesBetter
Category	SEO	SEO
Plans	See pricing	Pro$139/mo Guru$249/mo Business$499/mo
Key features	Ad audience building for Google and YouTube Keyword research for channel growth Audiences derived from search and watch behaviour Covers paid and organic from the same data Trial available	Broader marketing suite extending beyond SEO into paid ads and social One of the largest, most recognized platforms in this category Free tier for limited use Operating since 2008 Competitive research spanning organic and paid channels together
Pros	Audiences built from real search signal rather than interest guesses Serves both paid targeting and organic channel growth Trial before committing budget	Broader marketing scope connects SEO to paid and social strategy directly Free tier available to start before a paid commitment Long operating history and strong industry recognition
Cons	Output still needs a media buyer's judgement before spend Limited to the Google and YouTube ecosystem Pricing tiers are not detailed on the homepage	Among the higher prices in this category for full access Broader marketing scope may include capability a pure-SEO buyer doesn't need Breadth of features adds a real learning curve for newcomers
Company	KeywordSearch	Semrush, founded 2008

Prices come from each vendor's pricing page, last checked 20260813. Check the vendor before you buy.

FAQ

Questions people ask

Is KeywordSearch better than Semrush?

In our reviews KeywordSearch scores 3.8 and Semrush scores 4.5. The better pick depends on the job. KeywordSearch: Builds Google and YouTube ad audiences from keyword research rather than guesswork. Semrush: One of the category's largest platforms, extending well beyond SEO into a full marketing suite.

Which is cheaper, KeywordSearch or Semrush?

KeywordSearch: see pricing. Semrush: from $139/mo.

Do KeywordSearch and Semrush have free plans?

Only Semrush has a free plan.

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