MozBar vs Ahrefs SEO Toolbar
MozBar and Ahrefs SEO Toolbar both compete in the same corner of the Chrome Web Store (seo), but they are built for different users. MozBar has roughly 900K users and a 3.3-star average; Ahrefs SEO Toolbar sits at about 400K users with 4.4 stars.
Side-by-side comparison
| MozBar | Ahrefs SEO Toolbar | |
|---|---|---|
| Rating | 3.3 / 5 | 4.4 / 5 |
| Reviews | 2,500 | 536 |
| Users | ~900K+ | ~400K+ |
| Pricing | Freemium · From $99/mo | Freemium · From $99/mo |
| Category | SEO | SEO |
| Developer | Moz | Ahrefs |
| Last updated | 2026-03-15 | 2026-06-30 |
| Best for | Sizing up competitor difficulty at a glance, especially for teams already invested in Moz Pro | SEO professionals who already pay for Ahrefs and want backlink and SERP context without leaving the search results |
Final recommendation
MozBar wins on adoption, but Ahrefs SEO Toolbar scores higher with reviewers — start there if ratings matter more.
Frequently asked questions
Can I install MozBar and Ahrefs SEO Toolbar at the same time?
Yes, Chrome runs them independently. Keep both only if they do different jobs; if they overlap, pick one, because each active extension adds memory use, page scripts and another set of permissions.
Where do the ratings and install numbers come from?
From each extension's public Chrome Web Store listing. They can lag the live store slightly, and a dash means the figures have not been synced yet.
Keep researching
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