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Databases · head to head

Dragonfly vs Privacera

Dragonfly logo

Dragonfly

Databases

High-performance Redis-compatible in-memory datastore with 25x better throughput

From
Free
Rated
-
Full reviewWebsite
Privacera logo

Privacera

Databases

Centralised data access governance from the creators of Apache Ranger, now rebranding as Trust3 AI

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Dragonfly has a free tier, so it costs nothing to try first.
  • Each has a real cost: Dragonfly flex tier starting at $36/month may be underpriced, requiring careful usage monitoring; Privacera the company is mid-rebrand to Trust3 AI as of March 2026, so documentation, contracts and support channels are in transition and buyers should confirm which entity and which product name their agreement actually names.
  • They diverge on capability: Dragonfly covers Redis API compatibility, Privacera covers Centralised policy authoring.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Dragonfly and Privacera actually diverge.

Attributes where Dragonfly and Privacera differ
AttributeDragonflyPrivacera
Starting priceFreeOn request
Pricing modelUsage-based cloud pricing with flexible tiersquote
Free tierYesNo
PlatformsCloud, AWS, GCP, AzureWeb, Linux

Identical on both: 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 Dragonfly

  • Redis API compatibility
  • Thread-per-core architecture
  • High-performance caching
  • Memory efficiency
  • Real-time leaderboards
  • Message queue support
  • ML feature serving
  • Cloud deployment

Only in Privacera

  • Centralised policy authoring
  • Native enforcement
  • Attribute-based access control
  • Dynamic masking and row filtering
  • Sensitive data discovery
  • Encryption and de-identification
  • Audit reporting
  • AI governance agent

What people use each for

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

Dragonfly

  • High-throughput caching for web applicationsnot Privacera
  • Real-time leaderboards and rankingsnot Privacera
  • Message queue and event processingnot Privacera
  • ML model feature serving at millisecond latenciesnot Privacera
  • Gaming session state and player data storagenot Privacera

Privacera

  • An enterprise running both Databricks and Snowflake that needs one masking policy honoured identically in both rather than two sets of grants to reconcilenot Dragonfly
  • A bank that must produce a single access audit across its analytics estate for a regulator without stitching together per-engine logsnot Dragonfly
  • A Hadoop shop with years of Apache Ranger policies migrating to cloud analytics and wanting to carry the policy model across rather than rewrite itnot Dragonfly
  • A team exposing governed data to LLM applications that needs the same row and column restrictions to apply when an agent queries on a user behalfnot Dragonfly

Where each one falls short

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

Dragonfly

  • Flex tier starting at $36/month may be underpriced, requiring careful usage monitoring
  • Business tier $2,000/month represents significant jump in cost
  • Limited to in-memory storage, not suitable for cold data or archival
  • Bring-your-own-cloud requirement on Business tier adds operational complexity
  • Cloud availability dependent on AWS/GCP/Azure uptime

Privacera

  • The company is mid-rebrand to Trust3 AI as of March 2026, so documentation, contracts and support channels are in transition and buyers should confirm which entity and which product name their agreement actually names.
  • Investment is visibly shifting towards agentic AI governance, which raises a fair question about how much engineering continues to go into the classic data access governance modules that most existing customers actually bought.
  • Native enforcement depends on each engine supporting the policy constructs you need, so what you can express on Databricks may not be enforceable identically on a less capable source, and coverage must be verified source by source.
  • It sits between the data platforms and their own governance features, and as Databricks Unity Catalog and Snowflake native governance mature, single-platform customers find the case for a separate layer weakening.
  • Pricing is unpublished and scales with connected sources, so an organisation that keeps adding data platforms discovers the governance layer cost grows alongside the platform costs it was meant to rationalise.

Pricing, plan by plan

Dragonfly

Free
  • Free TierFree
    • 100 cloud credits for new signups
    • Equivalent to free trial
  • Business$2000/month
    • Starting price for enterprise offering
    • Bring-your-own-cloud deployment
    • Auto-scaling with custom SLAs
  • Enterprise$undefined/custom
    • Custom pricing
    • Any-cloud deployment
    • Custom instances and sizing

Privacera

On request
  • Privacera Platform$undefined/year
    • Quoted by connected data sources, users and deployment model
    • Self-managed and Privacera Cloud SaaS options
    • Free trial available for Privacera Cloud and Trust3 AI

Which should you pick?

Choose Dragonfly if

  • You need redis api compatibility.
  • You want to start without paying.
  • You work on Cloud, AWS, GCP, Azure.
  • You also want thread-per-core architecture.
Dragonfly review

Choose Privacera if

  • You need centralised policy authoring.
  • You work on Web, Linux.
  • You also want native enforcement.
Privacera review

Questions people ask

Is Dragonfly or Privacera better?
Neither clearly leads. Dragonfly starts at Free and Privacera at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Dragonfly or Privacera?
Dragonfly has a free tier; the other does not. Paid plans start at Free for Dragonfly and On request for Privacera.
Does Dragonfly or Privacera run on more platforms?
Dragonfly runs on Cloud, AWS, GCP, Azure. Privacera runs on Web, Linux.
Can I use Dragonfly for free?
Yes. Dragonfly has a free tier, so you can try it without paying. Privacera starts at On request.
What is Dragonfly best used for?
Dragonfly is most often used for high-throughput caching for web applications, real-time leaderboards and rankings, message queue and event processing, ml model feature serving at millisecond latencies. Of those, high-throughput caching for web applications and real-time leaderboards and rankings are not what Privacera is typically brought in for.
What can Dragonfly do that Privacera cannot?
Dragonfly covers Redis API compatibility, Thread-per-core architecture, High-performance caching, Memory efficiency. Privacera covers Centralised policy authoring, Native enforcement, Attribute-based access control, Dynamic masking and row filtering.

Answered from the vendors’ own pages

Dragonfly: How much faster is Dragonfly than Redis?

Dragonfly achieves 3.97M queries per second compared to Redis's 718K QPS, representing a 25x improvement. Memory efficiency is also 30% better.

Source
Privacera: Did Privacera merge with Immuta?

No. They remain independent competitors, and Privacera still publishes comparison material against Immuta. What did happen is a rebrand to Trust3 AI announced in March 2026.

Dragonfly: Can I migrate from Redis to Dragonfly without code changes?

Yes. Dragonfly maintains full API compatibility with Redis and Memcached, allowing drop-in replacement with minimal to no code modifications.

Source
Privacera: Is it the same as Apache Ranger?

It is built on Ranger by Ranger creators, but it adds multi-engine enforcement, discovery, a managed cloud option and support. Ranger alone does not cover Snowflake or cloud storage in the same way.

Privacera: Does it slow down queries?

It pushes policy into the underlying engine rather than proxying, so query execution stays native. Policy synchronisation, not query latency, is the usual operational concern.

Privacera: What does it cost?

Not published. Quoted by connected sources, user count and whether you self-manage or use Privacera Cloud. A free trial of the cloud product is available.

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