Alternatives · SEO
OmniSEO alternatives
OmniSEO compared with 4 alternatives: Semrush, Ahrefs, SE Ranking and Similarweb.
OmniSEO is a paid product with a free trial, starting at $89 per month, billed monthly. 3 of the 4 alternatives are free or have a free plan. One more offers a free trial.
4 tools · Listings checked up to Oct 18, 2026 · Where the facts come from
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| OmniSEOThis tool | Free trial · from $89/mo | Trial only | Web |
| Semrush | Free plan · from $117.33/mo | Yes | Web |
| Ahrefs | Free plan · from $29/mo | Yes | Web, Browser extension |
| SE Ranking | Free trial · from $103.20/mo | Trial only | Web |
| Similarweb | Free plan · from $125/mo | Yes | Web, Browser extension |
Price against what you get
OmniSEO starts at $89 a month and scores 2.0 out of 4 on features, ease of use and platforms. 1 of the 4 alternatives on this chart scores higher and starts lower: Ahrefs.
Semrush, SE Ranking and Similarweb score higher without starting lower.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from OmniSEO
- Free plan · from $117.33/mo
Semrush
SEO suite for keyword research, rank tracking and AI search visibility
- Semrush starts at $117.33 per month, billed annually ($139 billed monthly). OmniSEO starts at $89 per month, billed monthly.
- Semrush has a free plan. OmniSEO does not, though it has a free trial.
- Semrush also covers keyword research, rank tracking, site audit and backlink analysis.
Suits: Freelancers and in-house marketers who want research, tracking and audits in one account
- Free plan · from $29/mo
Ahrefs
SEO toolset for backlinks, keyword research, audits and rank tracking
- Ahrefs starts at $29 per month, billed monthly. OmniSEO starts at $89 per month, billed monthly.
- Ahrefs has a free plan. OmniSEO does not, though it has a free trial.
- Only Ahrefs lists a browser extension.
- Ahrefs also covers keyword research, rank tracking, site audit and backlink analysis.
- OmniSEO also covers reports.
Suits: SEOs who spend most of their time on backlinks and competitor research
- Free trial · from $103.20/mo
SE Ranking
SEO platform for rank tracking, audits, research and AI visibility
- SE Ranking starts at $103.20 per month, billed annually ($129 billed monthly). OmniSEO starts at $89 per month, billed monthly.
- SE Ranking also covers keyword research, rank tracking, site audit and backlink analysis.
Suits: Agencies and consultants tracking rankings for many client sites
- Free plan · from $125/mo
Similarweb
Traffic estimates, keyword research and competitor data for any site
- Similarweb starts at $125 per month, billed annually ($199 billed monthly). OmniSEO starts at $89 per month, billed monthly.
- Similarweb has a free plan. OmniSEO does not, though it has a free trial.
- Only Similarweb lists a browser extension.
- Similarweb also covers keyword research, rank tracking, site audit and backlink analysis.
- OmniSEO also covers reports.
Suits: Sizing up a competitor's traffic and where it comes from
Limits worth knowing in OmniSEO
- Essentials covers 4 AI engines; Gemini, Copilot, Claude, Meta AI, Grok and DeepSeek need Professional at $349 a month.
- Saved prompts are capped at 50 a month on Essentials and 100 on Professional, with 5 tracked competitors on both.
- Essentials has no CSV or PDF exports; Professional exports up to 5,000 rows a month.
- It covers AI answer engines only; the plans list no Google rank tracking, site audit or backlink tools.
Common questions
What are the alternatives to OmniSEO?
The alternatives to OmniSEO in this directory are Semrush, Ahrefs, SE Ranking and Similarweb. Each one has a side-by-side comparison with OmniSEO.
Is there a free alternative to OmniSEO?
Yes. Semrush, Ahrefs and Similarweb have a free plan alongside paid ones.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 17, 2026 to Oct 18, 2026. Vendors change prices without notice, so confirm on their site before you buy.