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Databases · head to head

Instaclustr vs VerneMQ

Instaclustr logo

Instaclustr

Databases

NetApp-owned managed service for Cassandra, Kafka, OpenSearch, PostgreSQL and Cadence with a bring-your-own-cloud model

From
On request
Rated
-
Full reviewWebsite
VerneMQ logo

VerneMQ

Databases

Erlang MQTT broker whose source is Apache 2.0 but whose official binaries need a paid subscription

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only VerneMQ has a free tier, so it costs nothing to try first.
  • Each has a real cost: Instaclustr pricing is only obtainable through a configurator or sales conversation, so comparing against AWS MSK or Confluent list prices requires several rounds of quotes rather than a spreadsheet.; VerneMQ the official binaries and Docker images are not Apache 2.0 but sit under a EULA requiring a yearly commercial subscription, a distinction easy to miss and awkward to discover during a licence audit.
  • They diverge on capability: Instaclustr covers Unmodified open source, VerneMQ covers Erlang/OTP clustering.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Instaclustr and VerneMQ actually diverge.

Attributes where Instaclustr and VerneMQ differ
AttributeInstaclustrVerneMQ
Starting priceOn requestFree
Free tierNoYes
PlatformsCloud, LinuxLinux, Docker, macOS, Kubernetes

Identical on both: pricing model (quote), 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 Instaclustr

  • Unmodified open source
  • Bring your own cloud
  • Multi technology platform
  • 24/7 operations
  • Managed backups
  • Terraform provider
  • SOC 2 and compliance
  • Consulting and support

Only in VerneMQ

  • Erlang/OTP clustering
  • MQTT 5.0 support
  • Plugin system
  • Backpressure handling
  • Bridge support
  • Metrics export
  • MQTT over WebSockets
  • Pluggable auth backends

What people use each for

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

Instaclustr

  • An enterprise running Cassandra and Kafka that cannot hire and retain specialists for bothnot VerneMQ
  • A company with cloud committed spend that wants managed data infrastructure to draw down that commitment through the bring-your-own-cloud modelnot VerneMQ
  • A team that left Elastic over the licence change and wants OpenSearch operated by someone else without another proprietary forknot VerneMQ
  • An organisation migrating off Amazon MSK or Keyspaces that wants the same open source software with vendor operations but portability intactnot VerneMQ

VerneMQ

  • An industrial operator that wants an MQTT broker with predictable memory behaviour and no data integration features it will not usenot Instaclustr
  • A team building from source to stay strictly under Apache 2.0 terms with no vendor licence entanglementnot Instaclustr
  • A deployment needing custom authentication logic implemented as a plugin in Lua or over a webhooknot Instaclustr
  • An organisation that wants a broker maintained by a small European company rather than by a vendor that keeps changing licencesnot Instaclustr

Where each one falls short

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

Instaclustr

  • Pricing is only obtainable through a configurator or sales conversation, so comparing against AWS MSK or Confluent list prices requires several rounds of quotes rather than a spreadsheet.
  • It manages infrastructure, not data modelling, so a poor Cassandra partition key or a mis-sized Kafka topic still causes outages that the managed service will not prevent.
  • NetApp ownership since 2022 has put the roadmap inside a large storage vendor, and the product is now one line in a portfolio rather than the whole company.
  • The catalogue is broad but each technology is served at a general level, so teams needing deep, vendor-specific tuning often find a specialist provider goes further on their one technology.
  • Bring your own cloud reduces lock-in but shifts networking, IAM and VPC peering complexity onto the customer, which needs cloud engineering capacity the managed service was meant to save.

VerneMQ

  • The official binaries and Docker images are not Apache 2.0 but sit under a EULA requiring a yearly commercial subscription, a distinction easy to miss and awkward to discover during a licence audit.
  • Octavo Labs is a very small company, so support depth, response times and the bus factor on the codebase are materially thinner than at HiveMQ or EMQ.
  • There is no data integration or rule engine layer, so routing messages into a database means writing and operating your own consumer service.
  • Operating an Erlang cluster requires runtime knowledge that most teams do not have and will use for nothing else in their stack.
  • There is no vendor-managed cloud offering, so every deployment is self-operated with the infrastructure and on-call cost that implies.

Pricing, plan by plan

Instaclustr

On request
  • Instaclustr Managed Platform$undefined/month
    • Priced per node size, technology, cloud provider and region
    • Interactive calculator requires configuration before a figure appears
    • Discounts on 12 month commitment

VerneMQ

Free
  • Source buildFree
    • Apache 2.0 licensed source from GitHub
    • Full clustering and plugin capability
    • You compile and package it yourself
  • Binary packages and Docker images$undefined/year
    • Covered by the VerneMQ EULA, not Apache 2.0
    • Yearly usage subscription expected for commercial use
    • Official builds and Docker images
  • Commercial support$undefined/year
    • Evaluation, customisation and operations assistance
    • Custom development
    • Long-term maintenance agreements

Which should you pick?

Choose Instaclustr if

  • You need unmodified open source.
  • You work on Cloud, Linux.
  • You also want bring your own cloud.
Instaclustr review

Choose VerneMQ if

  • You need erlang/otp clustering.
  • You want to start without paying.
  • You work on Linux, Docker, macOS, Kubernetes.
  • You also want mqtt 5.0 support.
VerneMQ review

Questions people ask

Is Instaclustr or VerneMQ better?
Neither clearly leads. Instaclustr starts at On request and VerneMQ at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Instaclustr or VerneMQ?
VerneMQ has a free tier; the other does not. Paid plans start at On request for Instaclustr and Free for VerneMQ.
Does Instaclustr or VerneMQ run on more platforms?
Instaclustr runs on Cloud, Linux. VerneMQ runs on Linux, Docker, macOS, Kubernetes.
Can I use VerneMQ for free?
Yes. VerneMQ has a free tier, so you can try it without paying. Instaclustr starts at On request.
What is Instaclustr best used for?
Instaclustr is most often used for an enterprise running cassandra and kafka that cannot hire and retain specialists for both, a company with cloud committed spend that wants managed data infrastructure to draw down that commitment through the bring-your-own-cloud model, a team that left elastic over the licence change and wants opensearch operated by someone else without another proprietary fork, an organisation migrating off amazon msk or keyspaces that wants the same open source software with vendor operations but portability intact. Of those, an enterprise running cassandra and kafka that cannot hire and retain specialists for both and a company with cloud committed spend that wants managed data infrastructure to draw down that commitment through the bring-your-own-cloud model are not what VerneMQ is typically brought in for.
What can Instaclustr do that VerneMQ cannot?
Instaclustr covers Unmodified open source, Bring your own cloud, Multi technology platform, 24/7 operations. VerneMQ covers Erlang/OTP clustering, MQTT 5.0 support, Plugin system, Backpressure handling.

Answered from the vendors’ own pages

Instaclustr: Does Instaclustr modify the open source software?

No. Its stated commitment is one hundred per cent open source with no proprietary extensions, which is the main reason licence-averse buyers choose it.

VerneMQ: Is VerneMQ free?

The source is Apache 2.0 and free. The official binary packages and Docker images are covered by a separate EULA that expects a yearly fee for commercial use.

Instaclustr: Who owns Instaclustr?

NetApp, which acquired the company in 2022. It is now branded NetApp Instaclustr.

VerneMQ: Is the project still maintained?

Yes. Octavo Labs AG in Zurich continues to publish 2.x releases, most recently in 2026.

Instaclustr: Is pricing published?

No. There is an interactive calculator, but figures depend on technology, node size, cloud and region, and commitments are negotiated.

VerneMQ: Does it have a managed cloud?

No. Every deployment is self-hosted, with commercial support available from Octavo Labs.

Instaclustr: Can clusters run in my own cloud account?

Yes, through the bring-your-own-cloud model, so the infrastructure spend also counts toward your cloud commitment.

VerneMQ: How does it compare to EMQX?

Narrower in features and without a rule engine, but with a simpler licence story for source builds after EMQX moved to BSL.

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