Isar Plus is a NoSQL database designed specifically for use with Flutter applications. It is built to offer performance, simplicity, and scalability for developers working across multiple platforms, including iOS, Android, desktop, and web. The tool aims to minimize setup and configuration, allowing developers to integrate database functionality into their projects with just a few lines of code.
The platform supports storing hundreds of thousands of records within a single database and enables efficient, asynchronous querying. Isar Plus includes a variety of features to assist with data management, such as composite and multi-entry indexes, query modifiers, and support for JSON data. Built-in full-text search capabilities allow users to create multi-entry indexes and perform searches across stored records with ease.
Isar Plus adheres to ACID semantics, automatically handling transactions and rolling back changes when errors occur to ensure data integrity. The database uses statically typed queries that are checked at compile time, reducing the risk of runtime errors. It also supports asynchronous operations and parallel query execution, with multi-isolate support available out of the box for improved performance in concurrent environments.
The tool is open source and available free of charge. Persistent storage for Flutter web applications is supported via OPFS and IndexedDB. Isar Plus is developed and maintained by Ahmet Aydın.
Isar Plus sits in PulseGate's Databases (SQL, NoSQL, vector, graph) category. It focuses on enabling Flutter developers to efficiently store, query, and manage large-scale data in their applications without complex setup. It is built as an open-source project for flutter developers. Isar Plus is open source under the Apache-2.0 license. Isar Plus is available on the web, the command line, and API, and it can be self-hosted.
Behind Isar Plus is Ahmet Aydın, and the product first shipped in 2025. Development happens publicly on GitHub with 65 stars and 111 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — Isar Plus occupies a relatively distinct niche. Key capabilities include full-text search, composite indexes, and multi-platform support. The interface is available in English and Turkish.
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