FlyTrap
SDK category

Authentication SDKs in the wild.

Sign-in, OAuth, and sessions. How apps verify who someone is. Right now the leaders are Google Sign-In, Google Identity Credentials, Firebase Auth and 9 more.

16 SDKs tracked
1169 Apps using
14 Vendors
82% Catalog reach

Last analyzed

By usage

16 Authentication SDKs

Every authentication SDK we've found, sorted by how many catalog apps ship it.

All SDKs

Google Sign-In

Google

Authentication 1163 apps

Google Identity Credentials

Google

Authentication 366 apps

Firebase Auth

Google

Authentication 228 apps

Amazon Cognito

Amazon

Authentication

Clerk

Clerk

Authentication

Microsoft Authentication Library (MSAL)

Microsoft

Authentication

Okta

Okta

Authentication

Stytch

Stytch

Authentication

Twilio Verify

Twilio

Authentication
Who makes them

14 vendors in Authentication

Publishers with at least one authentication SDK, ranked by how many catalog apps ship one of theirs.

All vendors
Google 3 SDKs · 1168 apps OpenID Foundation 1 SDK · 49 apps Okta (Auth0) 1 SDK · 31 apps Dynamic Labs 1 SDK · 1 app Amazon 1 SDK · 0 apps Clerk 1 SDK · 0 apps Magic Labs 1 SDK · 0 apps MetaMask 1 SDK · 0 apps Microsoft 1 SDK · 0 apps Okta 1 SDK · 0 apps
Adoption

Most-used Authentication SDKs

What share of catalog apps ship each one. Bars scale to the category leader.

Google Sign-In Google 82% of apps 1163 apps Google Identity Credentials Google 26% of apps 366 apps Firebase Auth Google 16% of apps 228 apps AppAuth OpenID Foundation 3% of apps 49 apps Auth0 Okta (Auth0) 2% of apps 31 apps Dynamic Labs Dynamic Labs 0% of apps 1 apps Amazon Cognito Amazon 0% of apps 0 apps Clerk Clerk 0% of apps 0 apps Magic Magic Labs 0% of apps 0 apps Microsoft Authentication Library (MSAL) Microsoft 0% of apps 0 apps Okta Okta 0% of apps 0 apps Ping Identity / ForgeRock Ping Identity 0% of apps 0 apps
More categories

Browse the rest

Other SDK types in the catalog.

All categories
Ads 59 Payments 30 Analytics 26 Engagement 22 Machine Learning 17 Push Notifications 16 Social 15 Anti-Abuse 14 maps 14 Attribution 13 Identity Verification 13 Voice & Video 12 Monitoring 11 Crash Reporting 10 Backend-as-a-Service 9 Experimentation 9

Frequently asked questions

Questions about Authentication SDKs.

What are Authentication SDKs?

Sign-in, OAuth, and sessions. How apps verify who someone is.

How many Authentication SDKs does FlyTrap track?

We track 16 authentication SDKs from 14 vendors.

Which Authentication SDKs show up most?

In our catalog, it's Google Sign-In, Google Identity Credentials and Firebase Auth. Counts are based on analyzed apps, not global market share.

How many apps use Authentication SDKs?

1169 apps (82% of the catalog) ship at least one. Those apps average 1.6 authentication SDKs each.