Auth0 vs Clerk:Which is more popular by branded search?
In August 2026, Auth0 had more branded searches than Clerk among authentication APIs worldwide. Auth0 was estimated to have 75.3K branded searches compared to Clerk’s 24.9K, and held a 3.8% Share of Search versus Clerk’s 1.3%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Auth0 or Clerk?
Compare the services developers add sign in with. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Auth0, Clerk. The figures are in the table below the chart.
View monthly share of search table
| Month | Supabase | Auth0 | Stytch | Clerk | Firebase Authentication |
|---|---|---|---|---|---|
| Oct 2025 | 81.8% | 10.9% | 2.7% | 2.5% | 2.2% |
| Nov 2025 | 85.9% | 7.8% | 2.3% | 2.1% | 1.9% |
| Dec 2025 | 87.8% | 6.5% | 2% | 2.2% | 1.6% |
| Jan 2026 | 88% | 6.5% | 2% | 2.2% | 1.3% |
| Feb 2026 | 88.2% | 6.5% | 2% | 2.2% | 1.1% |
| Mar 2026 | 91.5% | 4.5% | 1.4% | 1.8% | 0.73% |
| Apr 2026 | 91.7% | 4.5% | 1.4% | 1.5% | 0.9% |
| May 2026 | 92.8% | 3.8% | 1.1% | 1.5% | 0.74% |
| Jun 2026 | 92.6% | 3.8% | 1.4% | 1.5% | 0.74% |
| Jul 2026 | 93% | 3.8% | 1.4% | 1.3% | 0.61% |
| Aug 2026 | 93.1% | 3.8% | 1.4% | 1.3% | 0.5% |
| Sep 2026 | — | — | — | — | — |
How has the Auth0 and Clerk comparison changed over the last 12 months?
3 findings
- Auth0 was ahead of Clerk in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Auth0’s estimated Share of Search among authentication APIs worldwide moved from 10.9% to 3.8%, and its estimated monthly branded searches moved from 111K to 75.3K.
- Across the 11 months ending August 2026, Clerk’s estimated Share of Search among authentication APIs worldwide moved from 2.5% to 1.3%, and its estimated monthly branded searches moved from 25K to 24.9K.
How did search popularity change for authentication APIs worldwide in August 2026?
1 change
Estimated monthly branded searches for Auth0 worldwide fell 32.2% over 11 measured months, from 111K to 75.3K in August 2026.
How each brand is measured
Brandwave collects information about searches that people make online using Auth0’s and Clerk’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
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