Best Cheap SEMrush Alternatives in 2026 (Starting Free)

SEMrush is one of the most comprehensive SEO suites on the market. It's also one of the most expensive: $119/month for the basic plan, $229/month for Guru, and $449/month for Business.

Unless you're running a large agency managing dozens of clients, that's a hard bill to justify.

The good news: most SEOs use only a fraction of SEMrush's features — mainly keyword research, SERP analysis and basic competitor tracking. These exact features are available at a fraction of the price, or completely free.

Here are the best cheap SEMrush alternatives in 2026.

What do people actually use SEMrush for?

SEMrush does a lot. But survey any SEO and they'll tell you the most-used features are:

1. •Keyword research — volume, KD, intent, suggestions
2. •Competitor analysis — what keywords is a competitor ranking for?
3. •SERP analysis — who's on page 1 and how strong are they?
4. •Position tracking — is my site moving up or down?
5. •Technical audit — crawl errors, missing tags, slow pages

For features 1–3, multiple free and cheap tools compete directly with SEMrush. For 4–5, you need a paid tool — but not necessarily SEMrush.

The best SEMrush alternatives by use case

Best for keyword research: Serpvox

Serpvox is purpose-built for the core SEMrush use case: finding keywords with real search volume, understanding difficulty, and analysing the SERP.

| Feature | SEMrush | Serpvox | |---|---|---| | Search volume | ✅ Exact | ✅ Estimated | | Keyword Difficulty | ✅ | ✅ | | SERP Top 10 | ✅ | ✅ | | 12-month trend | ✅ | ✅ | | Search intent | ✅ | ✅ | | Related + question keywords | ✅ | ✅ | | Domain overview | ✅ | ❌ | | Backlink audit | ✅ | ❌ | | Price | $119/month | Free / €19/month |

If keyword research is your primary SEMrush use case, Serpvox replaces it at 16% of the cost.

Try Serpvox free →

Best for competitor analysis: SEMrush Free / Ahrefs Free Tier

SEMrush offers a free plan with 10 keyword/domain searches per day. It's enough for quick competitor checks (what keywords is this site ranking for?) without paying.

Ahrefs Webmaster Tools is free for your own sites and shows organic traffic, top keywords and backlinks. For competitor analysis you need a paid plan.

Best for SERP analysis: Serpvox

SEMrush's SERP analysis shows the top 10 results for any keyword with domain authority scores. Serpvox does the same with PageRank data — and highlights "attackable" positions where competitors have weak domain authority.

Analyse any SERP for free →

Best for rank tracking: SERPWatcher / Google Search Console

Google Search Console (free) tracks your site's keyword rankings with actual Google data. Not as visual as SEMrush, but 100% accurate.

SERPWatcher by Mangools starts at $29/month — much cheaper than SEMrush for dedicated rank tracking.

Best for technical audits: Screaming Frog (free up to 500 pages)

Screaming Frog SEO Spider is free for up to 500 pages and covers 90% of technical SEO audit needs: broken links, duplicate titles, missing metas, redirect chains.

The paid version is £199/year — far cheaper than SEMrush for this specific use case.

SEMrush vs Serpvox: direct comparison for keyword research

If your main job is finding and evaluating keywords, here's how the two compare:

SEMrush Keyword Magic Tool:

• •20+ billion keyword database
• •Very accurate volume data
• •Competitor keyword gap analysis
• •CPC and paid search data
• •$119/month

Serpvox:

• •Real-time Google Autocomplete + Trends data
• •PageRank-based KD score with SERP breakdown
• •Full SERP top 10 with attackable opportunity badges
• •12-month trend chart built in
• •Google Search Console integration
• •Free (3/day) · Pro €19/month

The bottom line: if you need deep competitor intelligence and a massive keyword database, SEMrush wins. If you need to find rankable keywords and understand the SERP, Serpvox does it at 16% of the price.

Build your own SEMrush replacement for free

Here's a zero-cost stack that covers the most common SEMrush use cases:

| Task | Free Tool | |---|---| | Keyword research | Serpvox (free plan) | | Volume validation | Google Keyword Planner | | Your site's rankings | Google Search Console | | Seasonality | Google Trends | | Technical audit | Screaming Frog (free up to 500 pages) | | Competitor monitoring | SEMrush free plan (10 searches/day) |

This stack handles 80% of what most SEOs need — and costs nothing. Upgrade to Serpvox Pro (€19/month) when you need unlimited searches.

Frequently asked questions

Is there a free version of SEMrush? Yes — SEMrush offers a free plan with 10 keyword/domain searches per day and limited features. Enough for occasional checks, but too restricted for regular keyword research.

What is the cheapest SEMrush alternative? Serpvox starts free (3 searches/day) and costs €19/month for the Pro plan — compared to SEMrush's $119/month base plan.

Does Serpvox have competitor analysis like SEMrush? Serpvox focuses on keyword research and SERP analysis rather than full competitor domain analysis. For domain-level competitor research, combine Serpvox with the free tiers of SEMrush or Ahrefs.

Conclusion

SEMrush is a powerful tool — but it's priced for enterprise teams managing multiple clients with large budgets. For the majority of SEOs focused on content and keyword strategy, you're paying for features you'll never use.

Serpvox gives you the core keyword research and SERP analysis at €19/month. Start free to see if it covers your needs.

Try Serpvox free — no credit card required →

Read also: Best free Ahrefs alternatives · Best free keyword research tools 2026 · Keyword research free guide