Authentication SDKs in Top 200 Free Android Apps

Google Identity 181 Apps (91% of Top 200)

Google Auth 129 Apps (65% of Top 200)

Firebase Auth 19 Apps (10% of Top 200)

Firebase gives you functionality like analytics, databases, messaging and crash reporting so you can move quickly and focus on your users. Firebase is tested and trusted by major companies due to it being run by google.

Mitek 12 Apps (6% of Top 200)

Kount 8 Apps (4% of Top 200)

Facebook Conceal 8 Apps (4% of Top 200)

Conceal provides a set of Java APIs to perform cryptography on Android. Conceal was designed to be able to encrypt large files on disk in a fast and memory efficient manner. The major target for this project is typical Android devices which run old Android versions, have low memory and slower processors.

Login With Amazon 8 Apps (4% of Top 200)

login-with-amazon-sdk lets customers log in to your site or app in just a few clicks using their Amazon accounts. With login-with-amazon-sdk, you can leverage a brand customers trust while getting data like name, email address, and zip code to build a more personalized experience.

Iovation 5 Apps (3% of Top 200)

Iovation FraudForce 5 Apps (3% of Top 200)

Trusteer 1 Apps (1% of Top 200)

Sinch Verification 1 Apps (1% of Top 200)

Sinch offers a platform for phone number verification. Sinch consists of different software development kits – the Sinch SDKs – that you integrate with your smartphone or web application and cloud based back-end services. Together, they enable SMS and Flash Call verification in your application.

Facebook AccountKit 1 Apps (1% of Top 200)

Account Kit lets people quickly register for and login to your app by using just their phone number or email address — no password needed. Account Kit is reliable, easy to use and gives you a choice about how you sign up for apps.