ObjectBox

ObjectBox Flutter database is a great option for storing Dart objects in your cross-platform apps. Minimal CPU, memory and battery use make it an ideal choice for mobile and IoT devices. Made for efficient data access, the ObjectBox Flutter database is 10x faster than any alternative. See the performance benchmarks below. No need to learn SQL, as our NoSQL database uses a pure Dart API that is easy to work with and can be integrated in minutes. Plus: We built a data synchronization solution that allows you to choose which objects to sync when and keep data easily and efficiently in sync across devices. Improving response rates and enabling real-time applications. Atomic, Consistent, Isolated, Durable. Grows with your app, handling millions of objects with ease. Object links/relationships are built-in. Filter data as needed, even across relations. Compile time checks & optimizations.