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Azure Cosmos DB
Azure Cosmos DB

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Cloud Firestore
Cloud Firestore

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Azure Cosmos DB vs Cloud Firestore: What are the differences?

What is Azure Cosmos DB? A fully-managed, globally distributed NoSQL database service. Azure DocumentDB is a fully managed NoSQL database service built for fast and predictable performance, high availability, elastic scaling, global distribution, and ease of development.

What is Cloud Firestore? A New Document Database for Apps. Cloud Firestore is a NoSQL document database that lets you easily store, sync, and query data for your mobile and web apps - at global scale.

Azure Cosmos DB and Cloud Firestore can be primarily classified as "NoSQL Database as a Service" tools.

Some of the features offered by Azure Cosmos DB are:

  • Fully managed with 99.99% Availability SLA
  • Elastically and highly scalable (both throughput and storage)
  • Predictable low latency: <10ms @ P99 reads and <15ms @ P99 fully-indexed writes

On the other hand, Cloud Firestore provides the following key features:

  • Documents and collections with powerful querying
  • iOS, Android, and Web SDKs with offline data access
  • Real-time data synchronization

"Best-of-breed NoSQL features" is the primary reason why developers consider Azure Cosmos DB over the competitors, whereas "Easy to use" was stated as the key factor in picking Cloud Firestore.

ReWrite, Whale 🐳, and FetchyFox are some of the popular companies that use Cloud Firestore, whereas Azure Cosmos DB is used by Microsoft, Rumble, and Property With Potential. Cloud Firestore has a broader approval, being mentioned in 34 company stacks & 32 developers stacks; compared to Azure Cosmos DB, which is listed in 24 company stacks and 23 developer stacks.

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What is Azure Cosmos DB?

Azure DocumentDB is a fully managed NoSQL database service built for fast and predictable performance, high availability, elastic scaling, global distribution, and ease of development.

What is Cloud Firestore?

Cloud Firestore is a NoSQL document database that lets you easily store, sync, and query data for your mobile and web apps - at global scale.
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    What are some alternatives to Azure Cosmos DB and Cloud Firestore?
    Azure SQL Database
    It is the intelligent, scalable, cloud database service that provides the broadest SQL Server engine compatibility and up to a 212% return on investment. It is a database service that can quickly and efficiently scale to meet demand, is automatically highly available, and supports a variety of third party software.
    MongoDB Atlas
    MongoDB Atlas is a global cloud database service built and run by the team behind MongoDB. Enjoy the flexibility and scalability of a document database, with the ease and automation of a fully managed service on your preferred cloud.
    MongoDB
    MongoDB stores data in JSON-like documents that can vary in structure, offering a dynamic, flexible schema. MongoDB was also designed for high availability and scalability, with built-in replication and auto-sharding.
    Amazon DynamoDB
    With it , you can offload the administrative burden of operating and scaling a highly available distributed database cluster, while paying a low price for only what you use.
    Google Cloud Datastore
    Use a managed, NoSQL, schemaless database for storing non-relational data. Cloud Datastore automatically scales as you need it and supports transactions as well as robust, SQL-like queries.
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    Decisions about Azure Cosmos DB and Cloud Firestore
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    How developers use Azure Cosmos DB and Cloud Firestore
    Avatar of Pruvit
    Pruvit uses Cloud FirestoreCloud Firestore

    All main application data is stored here. Most data is loaded through queries, but some collections are also indexed with Algolia for searching.

    Avatar of Daniel Kovacs
    Daniel Kovacs uses Azure Cosmos DBAzure Cosmos DB

    If you need a document-based database with geo-redundancy (imagine AU-HU distance), this is the way to go.

    How much does Azure Cosmos DB cost?
    How much does Cloud Firestore cost?
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