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Databases · head to head

RavenDB vs TimescaleDB

RavenDB logo

RavenDB

Databases

The fully transactional NoSQL document database

From
Free
Rated
-
Full reviewWebsite
TimescaleDB logo

TimescaleDB

Databases

Time-series database built on PostgreSQL for real-time analytics

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: RavenDB the free Developer licence bars commercial use and expires every 6 months, requiring renewal; TimescaleDB inherits PostgreSQL write path limitations, creating a ceiling on ingestion throughput
  • They diverge on capability: RavenDB covers ACID Transactions, TimescaleDB covers Time-series Optimization.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which RavenDB and TimescaleDB actually diverge.

Attributes where RavenDB and TimescaleDB differ
AttributeRavenDBTimescaleDB
Pricing modelfreemiumUnknown
PlatformsLinux, Windows, Mac, Docker, WebLinux, macOS, Windows, Docker, Kubernetes, Cloud (AWS, GCP, Azure)
Founded20102012

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

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 RavenDB

  • ACID Transactions
  • Auto-indexing
  • Full-text Search
  • Graph Queries
  • Distributed Counters
  • Time Series
  • Document Compression
  • .NET

Only in TimescaleDB

  • Time-series Optimization
  • PostgreSQL Extension
  • Automatic Partitioning
  • Continuous Aggregates
  • Native Compression
  • Full SQL Support
  • Real-time Analytics
  • PostgreSQL

Both cover

  • Linux support
  • Windows support
  • Mac support
  • Docker support
  • Web support

What people use each for

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

RavenDB

  • Running a distributed document database with ACID transactionsnot TimescaleDB
  • Self hosting a multi node database cluster on your own hardwarenot TimescaleDB
  • Replicating operational data out to analytics systems through ETLnot TimescaleDB

TimescaleDB

  • Monitoringnot RavenDB
  • IoT datanot RavenDB
  • Financial datanot RavenDB
  • Log analyticsnot RavenDB
  • Observabilitynot RavenDB

Where each one falls short

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

RavenDB

  • The free Developer licence bars commercial use and expires every 6 months, requiring renewal
  • The free Community licence caps a customer at 60 cores and forces you to stay on the latest major version
  • The Professional licence is limited to a single database, a 5 node cluster, 40 cores and 240 GB RAM
  • Sharding across nodes, ETL to OLAP, Elasticsearch and Kafka, and data archival are Enterprise only
  • Enterprise and AI licence pricing is contact us only with no published rate

TimescaleDB

  • Inherits PostgreSQL write path limitations, creating a ceiling on ingestion throughput
  • Operational complexity increases significantly at scale, requiring expertise in chunk tuning and autovacuum management
  • Bloom filter indexes on compressed columns can return incorrect query results before upgrade
  • PostgreSQL 15 support ending June 2026, forcing mandatory upgrades to PostgreSQL 16 or later

Pricing, plan by plan

RavenDB

Free
  • CommunityFree
    • 3 cores
    • 6GB RAM
    • Community support
  • Professional$499/year
    • Production use
    • Professional support
    • Advanced features

TimescaleDB

Free
  • Open SourceFree
    • Self-hosted TimescaleDB
    • MIT-licensed core
    • Full PostgreSQL compatibility
  • Scale Plan (Cloud)$36/month
    • Compute and storage charges
    • Multi-node HA
    • Unlimited VPCs

Which should you pick?

Choose RavenDB if

  • You need acid transactions.
  • You want to start without paying.
  • You work on Linux, Windows, Mac, Docker, Web.
  • You also want auto-indexing.
RavenDB review

Choose TimescaleDB if

  • You need time-series optimization.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, Docker, Kubernetes, Cloud (AWS, GCP, Azure).
  • You also want postgresql extension.
TimescaleDB review

Questions people ask

Is RavenDB or TimescaleDB better?
Neither clearly leads. RavenDB starts at Free and TimescaleDB at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, RavenDB or TimescaleDB?
RavenDB starts at Free and TimescaleDB at Free.
Does RavenDB or TimescaleDB run on more platforms?
RavenDB runs on Linux, Windows, Mac, Docker, Web. TimescaleDB runs on Linux, macOS, Windows, Docker, Kubernetes, Cloud (AWS, GCP, Azure).
Can I use RavenDB for free?
Both have a free tier, so you can try either at no cost before committing.
What is RavenDB best used for?
RavenDB is most often used for running a distributed document database with acid transactions, self hosting a multi node database cluster on your own hardware, replicating operational data out to analytics systems through etl. Of those, running a distributed document database with acid transactions and self hosting a multi node database cluster on your own hardware are not what TimescaleDB is typically brought in for.
What can RavenDB do that TimescaleDB cannot?
RavenDB covers ACID Transactions, Auto-indexing, Full-text Search, Graph Queries. TimescaleDB covers Time-series Optimization, PostgreSQL Extension, Automatic Partitioning, Continuous Aggregates. Both handle Linux support, Windows support, Mac support, Docker support.

Answered from the vendors’ own pages

RavenDB: Is RavenDB free or open source?

RavenDB is open source under the AGPLv3 license and available on GitHub. It also offers a free developer license with enterprise-level features limited to 9 cores, 36GB max RAM, 3 nodes, and non-commercial use.

Source
TimescaleDB: Is TimescaleDB free?

Yes. TimescaleDB is free and open source under the Timescale License. The managed cloud service offers a free trial with $1,000 in credits expiring in 30 days.

Source
RavenDB: Can I use RavenDB commercially for free?

RavenDB offers a free Community License that permits commercial deployment with unlimited databases and sizes, subject to a 60-core maximum per customer and requirement to run the latest major version.

Source
TimescaleDB: What database does TimescaleDB run on top of?

TimescaleDB is a PostgreSQL extension that runs on top of PostgreSQL. You retain full PostgreSQL compatibility including SQL queries, transactions, and ecosystem tools.

Source
RavenDB: What commercial licensing options does RavenDB offer?

RavenDB offers Professional, Enterprise, and AI tiers for commercial use. Pricing for these tiers requires contacting their sales team at [email protected].

Source
TimescaleDB: How much can TimescaleDB compress data?

TimescaleDB offers transparent columnar compression that can reduce storage by up to 95%. Newer data remains in row-oriented format for fast writes, while older data is automatically compressed to the column store.

Source
RavenDB: Does RavenDB offer a cloud hosting option?

RavenDB Cloud provides a fully managed cloud database with maintenance, failover, and backups included. Pricing is available at cloud.ravendb.net/pricing.

Source
TimescaleDB: Does TimescaleDB require manual partitioning?

No. TimescaleDB handles automatic time-based partitioning through hypertables. Data is automatically chunked based on time intervals, requiring no manual partition management.

Source
RavenDB: Is there a refund window if I purchase RavenDB?

RavenDB offers a 30-day refund window for purchased licenses.

Source
TimescaleDB: What PostgreSQL versions does TimescaleDB support?

As of October 2025, TimescaleDB requires PostgreSQL 16 or greater. PostgreSQL 15 support will end with the June 2026 release, after which all instances must upgrade to PostgreSQL 16.

Source
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