How is data stored in mobile apps?

Where do phone apps store data?

All apps (root or not) have a default data directory, which is /data/data/<package_name> . By default, the apps databases, settings, and all other data go here. This directory is "private" to the app – which means no other app and not even the user can access data in it (without root permissions).

How do mobile apps store and retrieve data?

Android provides several ways to store and share data, including access to the filesystem, a local relational database through SQLite, and a preferences system that allows you to store simple key/value pairs within applications.

Do apps store your data?

Researchers have discovered that more than 1,000 Android apps harvest your data, even when you tell them no. This is an eye-opening thought at a time when companies such as Facebook, Google and Amazon are under the microscope for their privacy and security policies.