How do most apps store data?
The most common way to store data is using relational databases such as MYSQL, SQL Server, Oracle… etc. but is definitely possible to use NoSQL databases such as MangoDB, Google Firebase, Casandra…etc.
How is data collected in apps?
When you use an app on your smartphone, advertisers may use a unique advertising identifier to track you. Companies also may track your activity on different internet-connected devices, like your laptop and your smartphone. When a website you visit tracks you, that's first-party tracking.
Where do app store data?
You can find the app data in the /data/data/
How does a mobile app get data?
Why is my phone storage still full after deleting apps?
How do Iphone apps store data?
Why is space not freed after deleting files?
Why is app data so high?