Databases · MongoDB-compatible document DB

Amazon DocumentDB vs Azure Cosmos DB for MongoDB vs Firestore with MongoDB compatibility

MongoDB-compatible document DB, side by side on AWS, Azure and Google Cloud. They do the same job, but differ in features, limits or pricing, so check the notes below before migrating.

Databases

MongoDB-compatible document DB

Close match

AWS

Amazon DocumentDB

Azure

Azure Cosmos DB for MongoDB

Google Cloud

Firestore with MongoDB compatibility

What's different

All three implement the MongoDB wire protocol, with varying feature coverage. MongoDB Atlas also runs on all three.

Quick answers

What is the Azure equivalent of Amazon DocumentDB?
The Azure equivalent of Amazon DocumentDB is Azure Cosmos DB for MongoDB. They do the same job, but differ in features, limits or pricing, so check the notes below before migrating.
What is the Google Cloud equivalent of Amazon DocumentDB?
The Google Cloud equivalent of Amazon DocumentDB is Firestore with MongoDB compatibility. They do the same job, but differ in features, limits or pricing, so check the notes below before migrating.
What is the AWS equivalent of Azure Cosmos DB for MongoDB?
The AWS equivalent of Azure Cosmos DB for MongoDB is Amazon DocumentDB. They do the same job, but differ in features, limits or pricing, so check the notes below before migrating.
What is the Google Cloud equivalent of Azure Cosmos DB for MongoDB?
The Google Cloud equivalent of Azure Cosmos DB for MongoDB is Firestore with MongoDB compatibility. They do the same job, but differ in features, limits or pricing, so check the notes below before migrating.
What is the AWS equivalent of Firestore with MongoDB compatibility?
The AWS equivalent of Firestore with MongoDB compatibility is Amazon DocumentDB. They do the same job, but differ in features, limits or pricing, so check the notes below before migrating.
What is the Azure equivalent of Firestore with MongoDB compatibility?
The Azure equivalent of Firestore with MongoDB compatibility is Azure Cosmos DB for MongoDB. They do the same job, but differ in features, limits or pricing, so check the notes below before migrating.