Ahrefs at $129/mo is the best backlink tool on earth. Here is the uncomfortable question: do you do backlink analysis, or do you do keyword research? For most bloggers, niche site owners and small businesses, keyword research is 80% of the job — which means 80% of the Ahrefs subscription is shelfware.

This guide is for people whose main question is "what should I write about next, and can I rank for it?" — and who would rather keep $120/mo. Prices verified October 2026.

What "keyword research" actually requires

A tool covers keyword research properly if it gives you five things: search volume, keyword difficulty, live SERP data (who actually ranks today), related/long-tail ideas, and zero-volume opportunities the big tools ignore. Ahrefs nails all five — so does everything below, for a fraction of the price.

Quick verdict

• Best cheap Ahrefs alternative for keyword research: AutoRank Enterprise — bulk keyword research, zero-volume finder, easy-win finder and live SERP data from $9/mo.
• Best free start: Ubersuggest free tier — 3 searches/day, genuinely useful for validating a handful of ideas.
• Keep Ahrefs if: backlinks are your actual job (outreach, digital PR, competitor link stealing).

1. AutoRank Enterprise (from $9/mo) — the keyword research pick

AutoRank Enterprise is an 18-in-1 AI SEO suite whose keyword toolkit was built for exactly this job: bulk keyword research with difficulty scores, a zero-volume keyword finder that surfaces queries the big databases list as "0 searches" (these are often the easiest wins on the internet), an easy-win finder for low-competition terms, and live SERP data so you see who ranks today, not last quarter.

The maths: Ahrefs Starter is $129/mo. AutoRank Starter is $9/mo — a $120/mo saving — and the free plan (5 credits free, no card) lets you run real keyword research before paying anything. Start free here.

Honest limitation: AutoRank's backlink index is not Ahrefs'. If your workflow is "find who links to competitors and steal those links," keep Ahrefs. If your workflow is "find keywords I can rank for and write," you are overpaying.

2. Ubersuggest (from $29/mo) — the budget classic

Ubersuggest's keyword overview is still one of the clearest in the business, and $29/mo is less than a quarter of Ahrefs. Its free tier (3 searches/day) is enough to validate a week's worth of content ideas. Weakness vs AutoRank: no zero-volume finder, no AI content generator to turn the keywords into articles, and 3x the starting price.

3. The $0 stack — Google itself

Before paying anyone: Google autocomplete, "People Also Ask," related searches at the bottom of page one, and Google Search Console (your own impressions data) are a legitimate keyword research workflow. It is slow and manual, which is precisely what the $9/mo tools automate. Use the free stack to learn what keyword research feels like, then buy the automation.

When you should just pay for Ahrefs

Three cases: you do link building as a service, you need historical backlink data for due diligence (buying sites), or your content strategy depends on competitor content-gap analysis at scale. In those cases $129/mo is cheap for what it returns. Everyone else is buying a Ferrari for grocery runs.

FAQ

Can a $9/mo tool really replace Ahrefs for keywords?

For the keyword research workflow — volume, difficulty, SERP check, ideas — yes. What it cannot replace is Ahrefs' backlink index, which is a different job. Match the tool to the job you actually do.

What are zero-volume keywords and why do they matter?

Keywords that databases report as having ~0 monthly searches. They are often ultra-specific, low-competition, and high-intent — and a page can rank for dozens of related variations at once. They are the easiest traffic a new site can win.

Is there a free Ahrefs alternative?

No free tool matches Ahrefs fully. The closest $0 workflows are Ubersuggest's free tier, Google's own SERP features, and AutoRank's free plan (5 credits). All three are honest starting points, not replacements.

Sources

• Ahrefs Starter pricing ($129/mo): Ahrefs official pricing page
• Ubersuggest pricing and free tier: Neil Patel's official Ubersuggest pages
• AutoRank Enterprise pricing and features: https://www.autorankenterprise.com/pricing