User Engagement SDKs in Top 200 Free Android Apps

Apptentive 5 Apps (3% of Top 200)

Conviva 4 Apps (2% of Top 200)

Nielsen 4 Apps (2% of Top 200)

Localytics 1 Apps (1% of Top 200)

Localytics is designed to measure apps, providing the greatest accuracy and lightest footprint thereby collecting rich data to aid in the development of more succesful applications. Localytics is rather simple to implement as little lines of code is required due to its quick integration feature which allows you to track all standard metrics such as platform, device type, sessions and unique users.

Foresee 1 Apps (1% of Top 200)

Usabilla 1 Apps (1% of Top 200)