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ObjectBox

Lightning-fast mobile database for persistent object storage with SDKs for Java/Kotlin, Flutter, Dart, and Python.

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Field note

What it does

ObjectBox is a high-performance embedded database for mobile and desktop apps, offering object persistence with minimal boilerplate. It supports Java/Kotlin (Android and JVM), Flutter, Dart, and Python, with features like transactions, async operations, and Kotlin Coroutines support.

Capabilities

Available capabilities

Unique ConstraintsRxJava IntegrationPerformance OptimizationEntity AnnotationsTransaction ObserversMulti-language SupportBox OperationsQueryingData ObserversTransactionsAsynchronous OperationsTo-Many RelationsKotlin CoroutinesQuery ObserversObject IDsRelationsCachingProperty IndexesLazy LoadingObject PersistenceTo-One RelationsEntity ClassesProperty TypesReactive Extensions

Tags

Tags

ReactiveDatabaseObserversEmbeddedObject Persistence

Ways to use it

Ways to use it

sdk

Java/Kotlin / io.objectbox:objectbox-java

sdk

Dart / objectbox

sdk

Dart / objectbox

other

Java / https://docs.objectbox.io/getting-started

other

Kotlin / https://docs.objectbox.io/getting-started

other

Dart / https://docs.objectbox.io/getting-started

sdk

Java / io.objectbox:objectbox

sdk

Dart / objectbox

other

Java / io.reactivex.rxjava3:rxjava

sdk

Java / io.objectbox:objectbox-java

sdk

Kotlin / io.objectbox:objectbox-kotlin

sdk

Dart / objectbox

Product features

Product features

Add ObjectBox to your project

Asynchronous operations

Basic Box operations

Create a Store

Define Entity Classes

Generate ObjectBox code

Getting Started

Have an app with greenDAO? DaoCompat is for you!

Kotlin Coroutines

Object IDs

Reserved Object IDs

Transactions