Mobile apps rely on data synchronization to ensure consistency, security, and a good user experience. However, building a robust data sync solution in-house can be complex and time-consuming, diverting attention away from front-end development. Decentralized data storage solutions like Couchbase offer off-the-shelf options for mobile app developers, providing bi-directional syncing, streaming, polling, one-time, continuous, and push replication capabilities while detecting conditions for sync behavior such as connectivity and device power. Additionally, Couchbase's Peer-to-Peer sync feature allows devices to synchronize data directly without a central control point, enabling collaboration in isolation. By using Couchbase's comprehensive data storage and sync solution, developers can focus on building fast, available, and consistent applications while ensuring secure and efficient data synchronization.