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Apache CouchDB vs MongoDB: catalog facts
Apache CouchDB	MongoDB
Free Free and open source Apache project.	Freemium Community Server is free to download; the managed Atlas service is paid.
Windows, macOS, Linux, Self-hosted	Windows, Self-hosted
Multi-primary replication between many nodes and devices Plain HTTP/JSON API	Flexible document model without a fixed schema Aggregation, transactions, text, vector and geospatial queries
Document model is not a fit for relational workloads Running a cluster takes server administration	Server Side Public License is source-available, not open source Homepage and newer features focus on the paid Atlas service
Downloadable app, Self-hosted	Downloadable app, Self-hosted, Hosted service
Open source	Closed source
License: Apache-2.0	License: SSPL-1.0
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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