Cassandra can be used for different type of applications. Following is a list of use cases where Cassandra should be preferred:

Messaging

Cassandra is a great database which can handle a big amount of data. So it is preferred for the companies that provide Mobile phones and messaging services. These companies have a huge amount of data, so Cassandra is best for them.

Handle high speed Applications

Cassandra can handle the high speed data so it is a great database for the applications where data is coming at very high speed from different devices or sensors.

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Product Catalogs and retail apps

Cassandra is used by many retailers for durable shopping cart protection and fast product catalog input and output.

Social Media Analytics and recommendation engine

Cassandra is a great database for many online companies and social media providers for analysis and recommendation to their customers.