| App | Installs | Publisher | Publisher Email | Publisher Social | Publisher Website |
| 3M | Quidd Inc. | *****@myquidd.com |  | https://quidd.co/ | |
| 2M | Bondex Platform Inc | *****@bondex.app | - | https://www.bondex.app/ | |
| 2M | GAMEE | *****@gamee.com |   | https://prizes.gamee.com/ | |
| 2M | BitcoinLegend | *****@gmail.com | - | https://bitcoinlegend.org/ | |
| 628K | ZEBEDEE | *****@zebedee.io | | https://zebedee.io/ | |
| 430K | Hitchhiker Inc | *****@hitchhiker.io | | https://hitchhiker.io/ | |
| 326K | Fantastec Sports Technology Ltd | *****@fantastec.io | - | https://fantastec-swap.io/ | |
| 274K | Double Good Technologies, LLC | *****@doublegood.com | | https://www.doublegood.com/popup/ | |
| 272K | Argent Labs | *****@argent.xyz | | https://www.argent.xyz/ | |
| 213K | Greenely | *****@greenely.se |  | https://greenely.com/ |
Full list contains 65 apps using Passbase in the U.S, of which 54 are currently active and 23 have been updated over the past year, with publisher contacts included.
List updated on 4th May 2024
The Passbase SDK is a Development Tools SDK provided by Passbase, Inc.. By integrated this SDK, apps have the capabilities of Identity Verification.
A breakdown of countries and app categories used by Passbase apps.
Most popular Passbase alternatives in 2024.
| SDK | Apps Integrated | Provider |
| 998K | Google LLC | |
| 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. |
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