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FaunaDB vs Apache Druid

FaunaDB logo

FaunaDB

Software

The distributed serverless database for modern applications

From
Free
Rated
-
Full reviewWebsite
Apache Druid logo

Apache Druid

Software

Real-time analytics database for sub-second OLAP queries

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: FaunaDB the Internet Archive's capture of FaunaDB's homepage on 5 January 2019 confirmed a free 'Try Cloud' tier alongside a self-hosted download, with a separate Pricing page linked but not itself retrievable from the archive within two attempts.; Apache Druid open-source offering lacks high-availability, distributed architecture, and enterprise security features
  • They diverge on capability: FaunaDB covers ACID Transactions, Apache Druid covers Real-time Ingestion.

Where they differ

Only the attributes on which FaunaDB and Apache Druid actually diverge.

Attributes where FaunaDB and Apache Druid differ
AttributeFaunaDBApache Druid
Pricing modelfreemiumopen-source
PlatformsWebDocker, Kubernetes, Native deployment (Java-based)
Founded20121999

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in FaunaDB

  • ACID Transactions
  • Document-relational Model
  • GraphQL API
  • Global Distribution
  • Temporal Queries
  • Multi-tenancy
  • Serverless
  • GraphQL

Only in Apache Druid

  • Real-time Ingestion
  • Sub-second Queries
  • Column-oriented Storage
  • Streaming Integration
  • Approximate Algorithms
  • Flexible Schemas
  • Time-based Partitioning
  • Kafka

What people use each for

The jobs each tool is most often brought in to do.

FaunaDB

  • Serverless applicationsnot Apache Druid
  • Rapid prototypingnot Apache Druid
  • Mobile backendsnot Apache Druid
  • JAMstacknot Apache Druid
  • Microservicesnot Apache Druid

Apache Druid

  • Real-time analytics platforms ingesting millions of events per second from streaming sourcesnot FaunaDB
  • Applications requiring sub-second queries over high-cardinality datasets (billions to trillions of rows)not FaunaDB
  • Time-series and event analysis at massive scale with columnar storage efficiencynot FaunaDB

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

FaunaDB

  • The Internet Archive's capture of FaunaDB's homepage on 5 January 2019 confirmed a free 'Try Cloud' tier alongside a self-hosted download, with a separate Pricing page linked but not itself retrievable from the archive within two attempts.

Apache Druid

  • Open-source offering lacks high-availability, distributed architecture, and enterprise security features
  • Requires native integration with Apache Kafka or Amazon Kinesis for real-time ingestion; custom integrations need development
  • High-concurrency query support (hundreds of thousands QPS) requires significant cluster infrastructure investment

Pricing, plan by plan

FaunaDB

Free
  • FreeFree
    • 100K read ops
    • 50K write ops
    • 1GB storage
  • Pro$25/month
    • Pay per use
    • Priority support
    • Advanced features

Apache Druid

Free

No published plan breakdown. See the Apache Druid review.

Which should you pick?

Choose FaunaDB if

  • You need acid transactions.
  • You want to start without paying.
  • You also want document-relational model.
FaunaDB review

Choose Apache Druid if

  • You need real-time ingestion.
  • You want to start without paying.
  • You work on Docker, Kubernetes, Native deployment (Java-based).
  • You also want sub-second queries.
Apache Druid review

Questions people ask

Is FaunaDB or Apache Druid better?
Neither clearly leads. FaunaDB starts at Free and Apache Druid at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, FaunaDB or Apache Druid?
FaunaDB starts at Free and Apache Druid at Free.
Does FaunaDB or Apache Druid run on more platforms?
FaunaDB runs on Web. Apache Druid runs on Docker, Kubernetes, Native deployment (Java-based).
Can I use FaunaDB for free?
Both have a free tier, so you can try either at no cost before committing.
What is FaunaDB best used for?
FaunaDB is most often used for serverless applications, rapid prototyping, mobile backends, jamstack. Of those, serverless applications and rapid prototyping are not what Apache Druid is typically brought in for.
What can FaunaDB do that Apache Druid cannot?
FaunaDB covers ACID Transactions, Document-relational Model, GraphQL API, Global Distribution. Apache Druid covers Real-time Ingestion, Sub-second Queries, Column-oriented Storage, Streaming Integration.
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