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ObjectBox for Dart/Flutter

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ObjectBox Dart & Flutter

ObjectBox is a super-fast database storing Dart objects locally.

  • 🏁 High performance - improving response rates and enabling real-time applications.
  • 🪂 ACID compliance - Atomic, Consistent, Isolated, Durable.
  • 🔗 Relations - object links / relationships are built-in.
  • 🌱 Scalable - grows with your app, handling millions of objects with ease.
  • 💐 Queries - filter data as needed, even across relations.
  • 🦮 Statically typed - compile time checks & optimizations.
  • 💻 Multiplatform - Android, iOS, macOS, Linux, Windows.
  • 📃 Schema migration - change your model with confidence.
  • 👥 ObjectBox Sync - keeps data in sync offline or online, between devices and servers.

Getting started

To start using ObjectBox in your Dart/Flutter app, head over to * ObjectBox on or * the Getting started guide or * the main ObjectBox package

If you'd like to contribute to the package as a developer, hack around, or just have a look at the code, you can instead clone/check out this repository and run

to regenerate code and get you started. Make sure to have a look at the contribution guidelines - all contributions are very welcome.


This repository holds all ObjectBox Dart/Flutter packages as separate directories:

There's also a separate repository benchmarking objectbox (and other databases) in Flutter: objectbox-dart-performance. And another one testing and comparing the performance of our FlatBuffers fork vs the upstream version: flatbuffers-benchmark.


Copyright 2019-2021 ObjectBox Ltd. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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