Google Identity 184 Apps (92% of Top 200)

Google Auth 105 Apps (53% of Top 200)

Firebase Auth 22 Apps (11% 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.

Login With Amazon 5 Apps (3% 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 4 Apps (2% of Top 200)

Mitek 4 Apps (2% of Top 200)

Kount 3 Apps (2% of Top 200)

Facebook Conceal 3 Apps (2% 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.

Iovation FraudForce 3 Apps (2% of Top 200)

Digits 1 Apps (1% of Top 200)

Fabric gives everyone on your mobile team a complete, real-time understanding of your app's performance and health at every stage all the way from development up to launch, and beyond,.