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Sign in with Google alternatives
The 36 most used alternatives to Sign in with Google, ranked by how many websites run them. Google reCAPTCHA leads with 3,022,685 sites; Sign in with Google itself is on 100,909.
| # | Tool | Websites | Also run Sign in with Google | ||
|---|---|---|---|---|---|
| 1 | Google reCAPTCHA | 3,022,685 | 12,139 | Compare | |
| 2 | Akismet | 261,350 | 1,257 | Compare | |
| 3 | Cloudflare Turnstile | 179,597 | 1,434 | Compare | |
| 4 | Wordfence | 167,669 | 527 | Compare | |
| 5 | CleanTalk | 138,386 | 768 | Compare | |
| 6 | TrustedSite | 106,398 | 366 | Compare | |
| 7 | hCaptcha | 60,804 | 412 | Compare | |
| 8 | Imperva Incapsula | 25,436 | 15 | Compare | |
| 9 | ALTCHA | 14,952 | 14 | Compare | |
| 10 | Sift | 14,510 | 1 | Compare | |
| 11 | Friendly Captcha | 12,799 | 19 | Compare | |
| 12 | HUMAN (PerimeterX) | 12,350 | 2 | Compare | |
| 13 | Fingerprint | 10,239 | 46 | Compare | |
| 14 | Clerk | 8,695 | 10 | Compare | |
| 15 | Firebase Authentication | 7,333 | 203 | Compare | |
| 16 | Sign in with Apple | 6,514 | 1,691 | Compare | |
| 17 | DataDome | 4,794 | 19 | Compare | |
| 18 | SiteLock | 4,332 | 20 | Compare | |
| 19 | DigiCert Site Seal | 2,810 | 17 | Compare | |
| 20 | Azure AD B2C | 2,530 | 2 | Compare | |
| 21 | GeeTest | 2,421 | 3 | Compare | |
| 22 | Amazon Cognito | 2,019 | 4 | Compare | |
| 23 | Kasada | 1,113 | 1 | Compare | |
| 24 | ThreatMetrix | 683 | 0 | Compare | |
| 25 | Forter | 585 | 19 | Compare | |
| 26 | iovation | 495 | 3 | Compare | |
| 27 | Okta | 468 | 6 | Compare | |
| 28 | MTCaptcha | 387 | 25 | Compare | |
| 29 | Magic | 376 | 0 | Compare | |
| 30 | AWS WAF | 363 | 0 | Compare | |
| 31 | Kount | 169 | 1 | Compare | |
| 32 | SEON | 169 | 1 | Compare | |
| 33 | Descope | 32 | 0 | Compare | |
| 34 | Arkose Labs | 19 | 1 | Compare | |
| 35 | Stytch | 9 | 0 | Compare | |
| 36 | Cloudflare Access | 7 | 0 | Compare |
Counts are websites whose homepage code loads the tool, in StackGrep's latest crawl.
Questions
What is the most popular Sign in with Google alternative?
Google reCAPTCHA, on 3,022,685 websites in our index. The table ranks every alternative we track by sites using it.
Do sites switch from Sign in with Google?
Some do. The "also run Sign in with Google" column counts sites that load both: often a switch in progress. Each tool's page lists its sites, and with an account you can download them.
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