| App | Installs | Publisher | Publisher Email | Publisher Social | Publisher Website |
| 18B | Google LLC | *****@google.com |  | http://www.google.com/accessibility | |
| 4B | Microsoft Corporation | *****@microsoft.com | | https://docs.microsoft.com/en-us/intune/ | |
| 2B | Mi Music | *****@xiaomi.com | - | https://global-e.mi.com/ | |
| 1B | Samsung Electronics Co., Ltd. | *****@samsung.com |   | http://www.samsung.com/sec | |
| 1B | Truecaller | *****@truecaller.com |  | http://truecaller.com/support | |
| 1B | Microsoft Corporation | *****@microsoft.com | | https://docs.microsoft.com/en-us/intune/ | |
| 1B | Research at Google | *****@google.com | | https://g.co/euphonia/ | |
| 1B | Fingersoft | *****@fingersoft.com | | https://www.fingersoft.com/ | |
| 995M | Imangi Studios | *****@imangistudios.com | | https://www.imangistudios.com/ | |
| 971M | Gametion Global | *****@gametion.com | | https://gametion.com/ |
Full list contains 998K apps using Firebase Authentication in the U.S, of which 637K are currently active and 212K have been updated over the past year, with publisher contacts included.
List updated on 4th May 2024
The Firebase Authentication SDK is a Development Tools SDK provided by Google LLC. By integrated this SDK, apps have the capabilities of Identity Verification.
A breakdown of countries and app categories used by Firebase Authentication apps.
Most popular Firebase Authentication alternatives in 2024.
| SDK | Apps Integrated | Provider |
| 135K | Connect2id Ltd. | |
| 59K | Amazon Web Services, Inc. | |
| 57K | OpenID Foundation | |
| 24K | Amazon Web Services, Inc. | |
| 15K | Auth0 Inc. | |
| 14K | Microsoft Corporation | |
| 2K | Google LLC | |
| 2K | Spotify AB | |
| 2K | Microblink Ltd. | |
| 2K | TransUnion LLC. |
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