Semrush

SEO · www.semrush.com

Semrush is an SEO and AI search visibility platform offering keyword research, competitor analysis, rank tracking, site audits, content optimization, and AI brand visibility monitoring.

seo suiteFree plan availablePaid plans from $139/mo (SEO)Prices verified 2026-08-31
Visit Semrush
Honest answer
Semrush Free covers this scenario
downgrading saves $1668 / year

Switching to Ahrefs saves $1668 / year and covers 100% of the compared capabilities.

Find my alternative
Same job.
Way less money.

Top Semrush alternatives

We compared 9 products and found 9 cheaper alternatives · vs Semrush SEO at $139/mo · scenario: single user, monthly billing, USD.

Honest note: you might not need to switch.

Semrush’s own free plan covers this scenario. If you’re paying for features you don’t use, downgrading beats switching. The paid comparison below is for when you’ve outgrown free tiers — the “Free plans” view shows alternatives if you want free with different limits.

The short version

Semrush costs $139/mo on the SEO plan at single user, monthly billing. We found 9 assessed alternatives that are cheaper in this scenario; 5 of them cover at least 75% of the 6 compared capabilities. The cheapest option that covers everything we compared is Ahrefs at $0/mo (Ahrefs Free plan), 100% less. Semrush's own free plan covers this scenario, so downgrading may beat switching.

ProductMatchPriceAnnual savings
Screaming Frog SEO Spider
Paid Version (licence) plan · missing: Keyword research, Rank tracking, Competitor analysis, API access
technical seo — adjacent
33%$16.58/mo
how? ⓘ
$1469 / year
88% cheaper
TOP PICK
Mangools
Basic plan · missing: Site audit
83%$18.85/mo
how? ⓘ
$1441.80 / year
86% cheaper
Ahrefs
Starter plan
100%$29/mo
how? ⓘ
$1320 / year
79% cheaper
LowFruits
Standard plan · missing: Site audit, Backlink analysis, API access
keyword research — adjacent
50%$29.90/mo
how? ⓘ
$1309.20 / year
78% cheaper
Surfer
Discovery plan · missing: Backlink analysis
content optimization — adjacent
83%$49/mo
how? ⓘ
$1080 / year
65% cheaper
Frase
Starter plan · missing: Keyword research, Rank tracking, Competitor analysis
content optimization — adjacent
50%$49/mo
how? ⓘ
$1080 / year
65% cheaper
Writesonic
Starter plan · missing: Keyword research, Rank tracking, Backlink analysis, Competitor analysis, API access
ai search visibility — adjacent
17%$79/mo
how? ⓘ
$720 / year
43% cheaper
SE Ranking
Core plan · missing: API access
83%$129/mo
how? ⓘ
$120 / year
7% cheaper

Which Semrush alternative for which situation

Picked by the numbers in this scenario — same subtype unless stated, assessed products only.

Best full coverage
Ahrefs $0/mo (Ahrefs Free plan) · covers 100%
Best free plan
Ahrefs $0/mo (Ahrefs Free plan) · covers 100%
Best open source or self-hosted
Screaming Frog SEO Spider $0/mo (Free Version plan) · covers 33%
Best paid drop-in
Mangools $18.85/mo (Basic plan) · covers 83%
Need keyword research, rank tracking, site audit, backlink analysis, competitor analysis or API access?
Ahrefs from $0/mo (Ahrefs Free plan)

What you give up

Capabilities Semrush has that the top alternatives lack.

  • Keyword researchResearch keywords and their search volume.
    Missing from Screaming Frog SEO Spider.
  • Rank trackingTrack keyword rankings over time.
    Missing from Screaming Frog SEO Spider.
  • Site auditScan a site for technical SEO issues.
    Missing from Mangools.
  • Competitor analysisCompare your site's SEO performance against competitors.
    Missing from Screaming Frog SEO Spider.
  • API accessPull SEO data programmatically via an API.
    Missing from SEO PowerSuite, Screaming Frog SEO Spider.

Feature comparison

Semrush vs the top alternatives, on the 6 compared capabilities.

CapabilitySemrushAhrefsSEO PowerSuiteScreaming Frog SEO SpiderMangools
Keyword research
Rank tracking
Site audit
Backlink analysis
Competitor analysis
API access
Scenario price
cheapest qualifying plan
$139/mo
SEO
$0/mo
Ahrefs Free
$0/mo
Free
$0/mo
Free Version
$18.85/mo
Basic

✓ means the product offers the capability — possibly only on a higher tier than the plan priced below it. The price row shows the cheapest plan that qualifies for our comparison scenario, with its plan name; a $0 free plan may not include every checked capability.

What Semrush covers

The capability set used for comparison. Grey entries are not available on self-serve plans.

  • Keyword research
  • Rank tracking
  • Site audit
  • Backlink analysis
  • Competitor analysis
  • API access

Price ladder

Observed prices from the official pricing page.

Free
$0/mo
Free
SEO
$139/mo
$117.33/mo billed yearly
Starter SEO + AI Search
$199/mo
$165.17/mo billed yearly
Pro+ SEO + AI Search
$299/mo
$248.17/mo billed yearly
Advanced SEO + AI Search
$549/mo
$455.67/mo billed yearly
Enterprise
Contact sales / custom pricing

Sources

Every claim traces to an official source and a check date.

Frequently asked

How much does Semrush cost?

Semrush's SEO plan costs $139/mo in our scenario (single user, monthly billing). A free plan exists.

Is there a free Semrush alternative?

Yes. Ahrefs has a free plan that covers 100% of the 6 capabilities we compared against Semrush.

What is the cheapest Semrush alternative?

In our scenario (single user, monthly billing), Ahrefs is the cheapest assessed alternative at $0/mo (Ahrefs Free plan).

What is the cheapest Semrush alternative with API access?

Ahrefs covers API access and costs $0/mo (Ahrefs Free plan) in our scenario.

Does Semrush have a free plan?

Yes. Semrush's free plan exists; its limits are not stated on the pricing page.

When were these prices checked?

Between 2026-08-26 and 2026-09-12, on the vendors' official pricing pages.

Ready to stop overpaying for Semrush?
Free · Takes 2 minutes · No signup required
Find my alternative now