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.
What is Azure Cosmos DB?
What is Cloud Firestore?
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All main application data is stored here. Most data is loaded through queries, but some collections are also indexed with Algolia for searching.