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Overview: Semrush vs Ahrefs
Semrush and Ahrefs are two of the best-known SEO tools. Both offer features for keyword research, backlink analysis, competitor research, and more. In this in-depth comparison, we’ll break down their key features, pricing, use cases, and support to help you choose the best tool for your goals.
Key Differences at a Glance
Semrush
- All-in-one digital marketing platform
- Includes PPC and advertising research
- Broad keyword research toolkit
- Content marketing and site audit tools
- Good fit for all-in-one workflows
ahrefs
- Strong focus on backlink analysis
- Detailed backlink and referring-domain data
- Simple and user-friendly interface
- Competitor research tools
- Popular with SEO professionals and agencies
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Feature Comparison
Both cover keyword research, backlink analysis, competitor research, site audits and rank tracking, so those rows are left out. Prices are in the table below, checked on each vendor’s pricing page on October 23, 2026.
| Semrush | Ahrefs | |
|---|---|---|
| Free option | Free account: 1 demo project, 10 reports a day, no credit card | Ahrefs Free: data on your own site |
| Cheapest paid plan | SEO: $139 a month ($117.33 a month billed yearly) | Starter: $29 a month |
| Next plans | Starter $199, Pro+ $299 a month; Advanced on request | Lite $129, Standard $249, Advanced $449, Enterprise $1,499 a month (annual commitment) |
| Paying yearly | SEO plan $117.33 a month instead of $139 | “Save up to 17%”; yearly prices not listed |
| Free trial | “Try for free” buttons; trial length not stated on the pricing page | Not stated on the pricing page |
| Feature | Semrush | Ahrefs |
|---|---|---|
| Main strength | All-in-one: SEO, content marketing and advertising research | Backlink and referring-domain data |
| Content tools | Content Marketing toolkit | Content Explorer |
| PPC / advertising data | Yes (Advertising toolkit) | Less focus on PPC data |
| Interface | Broad, can feel cluttered | Simple and clean |
| Best for | All-in-one SEO & competitor research | Backlink analysis & SEO professionals |
