Ahrefs vs Sitebulb Comparison 2026
Both cover seo & discovery. Here is what separates them on price, billing, what you can take with you, and coverage.
At a glance
- Sitebulb starts cheaper, at $18.
- Only Ahrefs has a free tier.
Side by side
Ahrefs | Sitebulb | |
|---|---|---|
| Starting price (they differ) | From $129 | From $18 |
| Pricing model (they differ) | Free plan, paid tiers | Paid subscription |
| Free tier (they differ) | Yes | No |
| Billing | Monthly or annual | Monthly or annual |
| Free trial | Not stated | Not stated |
| API | Yes | Not stated |
| Data export | Not stated | Not stated |
| Their cut | None | None |
| Runs on (they differ) |
Shaded rows are where the two answers disagree and both listings have answered. A row where one side has not stated a fact is left plain, because silence is not a difference.
Ahrefs
Backlink and keyword data at full depth
Ahrefs runs its own crawler, which is why its backlink index is the one other tools get compared against, and why the keyword data goes deeper than the free alternatives. Site Explorer and Content Gap are what most people open it for. It is priced for businesses rather than for individuals, and the company states outright that it never discounts.
Our note
Between this and Semrush the split is old but holds: Ahrefs for backlinks and content research, Semrush for advertising data and rank tracking breadth. Pick on which half of the job is yours, because paying for both is rarely worth it.
Only on this side
- Covers research & trends
Sitebulb
A crawler that explains what it found
Sitebulb crawls a site and returns prioritised issues with an explanation of why each one matters, which is the difference between this and a spreadsheet of URLs. Crawl maps draw the structure of a site as a picture. JavaScript rendering is on every plan rather than reserved for the dearest. The desktop product audits ten thousand URLs at the entry tier, so anybody auditing a large site is looking at the cloud version instead.
Ratings are the average of reviews readers left. The facts are stated by each tool’s own listing and are not verified by CloutStack. How we make money.