Is Longhorn or Vault better?

Neither clearly leads. Longhorn starts at Free and Vault at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, Longhorn or Vault?

Longhorn starts at Free and Vault at Free.

Does Longhorn or Vault run on more platforms?

Longhorn runs on Linux, Kubernetes. Vault runs on Linux, Windows, Mac, Cloud.

Can I use Longhorn for free?

Both have a free tier, so you can try either at no cost before committing.

What is Longhorn best used for?

Longhorn is most often used for an on-premises kubernetes cluster with local disks and no san that needs replicated persistent volumes, edge sites where shipping a storage array is impractical and three nodes is the whole cluster, a k3s deployment where the storage layer must be light enough to run alongside the workloads, a team that wants snapshots and s3 backups of persistent volumes without paying per-node storage licences. Of those, an on-premises kubernetes cluster with local disks and no san that needs replicated persistent volumes and edge sites where shipping a storage array is impractical and three nodes is the whole cluster are not what Vault is typically brought in for.

What can Longhorn do that Vault cannot?

Longhorn covers Per-volume controllers, Synchronous replication, Snapshots and backups, Volume expansion. Vault covers Secrets management, Encryption, Authentication, Authorization.

Cloud · head to head

Longhorn vs Vault

Longhorn

Cloud

Open source distributed block storage for Kubernetes, incubating at the CNCF

From: Free
Rated: -

Full review Website

Vault

Cloud

Manage Secrets and Protect Sensitive Data

From: Free
Rated: -

Full review Website

The short version

Each has a real cost: Longhorn there is no vendor and no SLA, so a production incident at three in the morning is your own problem unless you buy SUSE Rancher Prime support separately.; Vault vault 1.15.0 and later is licensed under the Business Source License 1.1, not an OSI open source licence, with IBM Corporation as licensor
They diverge on capability: Longhorn covers Per-volume controllers, Vault covers Secrets management.
Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Longhorn and Vault actually diverge.

Attributes where Longhorn and Vault differ
Attribute	Longhorn	Vault
Pricing model	Open source, no licence fee	open-source
Platforms	Linux, Kubernetes	Linux, Windows, Mac, Cloud
Founded	Unknown	2015

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

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 Longhorn

Per-volume controllers
Synchronous replication
Snapshots and backups
Volume expansion
Disaster recovery volumes
Web interface

Only in Vault

Secrets management
Encryption
Authentication
Authorization
Audit logging
API access
High availability
Replication

What people use each for

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

Longhorn

An on-premises Kubernetes cluster with local disks and no SAN that needs replicated persistent volumesnot Vault
Edge sites where shipping a storage array is impractical and three nodes is the whole clusternot Vault
A K3s deployment where the storage layer must be light enough to run alongside the workloadsnot Vault
A team that wants snapshots and S3 backups of persistent volumes without paying per-node storage licencesnot Vault

Vault

Centrally storing and rotating secrets, API keys and database credentialsnot Longhorn
Issuing short-lived dynamic credentials to applications instead of static passwordsnot Longhorn
Encryption as a service and PKI certificate issuancenot Longhorn

Where each one falls short

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

Longhorn

There is no vendor and no SLA, so a production incident at three in the morning is your own problem unless you buy SUSE Rancher Prime support separately.
Synchronous replication across nodes means write latency depends on the slowest replica and the network between nodes, which makes it a poor fit for latency-sensitive databases.
Every replica is a full copy, so three-way replication consumes three times the raw capacity, unlike erasure-coded systems that are far more space efficient.
It is designed for block storage on modest clusters and does not scale to the node counts or throughput that Ceph or a commercial array handles, so growth eventually forces a migration.
Recovery from certain degraded states, such as a volume stuck detaching or replicas failing to rebuild, requires manual intervention and knowledge of Longhorn internals that is not widely held.

Vault

Vault 1.15.0 and later is licensed under the Business Source License 1.1, not an OSI open source licence, with IBM Corporation as licensor
The Additional Use Grant forbids offering Vault to third parties on a hosted or embedded basis in a paid product that competes with IBM's paid versions of Vault
Each version only converts to MPL 2.0 four years after that version is published, and the Change Date is tracked per version
Replication, HSM support, namespaces, performance standby nodes, FIPS builds, control group authorisation, multi-factor authentication, secrets sync and lease count quotas all require a Vault Enterprise licence
A Vault Enterprise licence must be applied to the cluster before any Enterprise feature can be used

Pricing, plan by plan

Longhorn

Free

LonghornFree
- Apache 2.0 licensed, no licence fee
- Community support via GitHub and Slack only
- No vendor SLA or escalation path

Vault

Free

Open SourceFree
- Secrets management
- Encryption as a service
- Identity management
EnterpriseFree
- Advanced features
- Premium support
- Dedicated updates

Which should you pick?

Choose Longhorn if

You need per-volume controllers.
You want to start without paying.
You work on Linux, Kubernetes.
You also want synchronous replication.

Longhorn review

Choose Vault if

You need secrets management.
You want to start without paying.
You work on Linux, Windows, Mac, Cloud.
You also want encryption.

Vault review

Questions people ask

Is Longhorn or Vault better?: Neither clearly leads. Longhorn starts at Free and Vault at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Longhorn or Vault?: Longhorn starts at Free and Vault at Free.
Does Longhorn or Vault run on more platforms?: Longhorn runs on Linux, Kubernetes. Vault runs on Linux, Windows, Mac, Cloud.
Can I use Longhorn for free?: Both have a free tier, so you can try either at no cost before committing.
What is Longhorn best used for?: Longhorn is most often used for an on-premises kubernetes cluster with local disks and no san that needs replicated persistent volumes, edge sites where shipping a storage array is impractical and three nodes is the whole cluster, a k3s deployment where the storage layer must be light enough to run alongside the workloads, a team that wants snapshots and s3 backups of persistent volumes without paying per-node storage licences. Of those, an on-premises kubernetes cluster with local disks and no san that needs replicated persistent volumes and edge sites where shipping a storage array is impractical and three nodes is the whole cluster are not what Vault is typically brought in for.
What can Longhorn do that Vault cannot?: Longhorn covers Per-volume controllers, Synchronous replication, Snapshots and backups, Volume expansion. Vault covers Secrets management, Encryption, Authentication, Authorization.

Answered from the vendors’ own pages

Longhorn: Who do we call when it breaks?

Nobody, unless you buy SUSE Rancher Prime, which includes commercial support for Longhorn. This is the decisive question for production use.

Vault: Is HashiCorp Vault free to use?

Yes, Vault is available as a free, open-source project. The community version includes secrets management, certificate generation and rotation, encryption services, and credential management. Vault Enterprise is a commercial offering with additional features.

Source

Longhorn: How much capacity does replication cost?

Full copies, so three replicas means three times the raw capacity. Budget accordingly rather than assuming erasure coding efficiency.

Vault: What are the differences between open-source Vault and Vault Enterprise?

Open-source Vault is free and self-hosted. Vault Enterprise includes additional features and commercial support. HashiCorp also offers Vault Dedicated on the HashiCorp Cloud Platform as a fully managed cloud option.

Source

Longhorn: Is it suitable for production databases?

For modest workloads yes, but synchronous replication adds write latency and high-transaction databases usually want something faster.

Vault: Can I try HashiCorp Cloud Platform Vault without payment?

Yes, HashiCorp offers a free trial option for HCP Vault Dedicated. New users also receive a $500 credit to use across HashiCorp Cloud Platform services.

Source

Vault: What does Vault manage and protect?

Vault provides identity-based secrets management for users, machines, services, and AI agents. It automates authentication and authorization for access to secrets, passwords, certificates, encryption keys, and other sensitive data across your infrastructure.

Source

Longhorn vs Vault

Longhorn

Vault

The short version

Where they differ

What each one covers

Only in Longhorn

Only in Vault

What people use each for

Longhorn

Vault

Where each one falls short

Longhorn

Vault

Pricing, plan by plan

Longhorn

Vault

Which should you pick?

Choose Longhorn if

Choose Vault if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Longhorn

More on Vault

Keep looking

Other head to heads