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Cloud · head to head

DigitalOcean vs K3s

DigitalOcean logo

DigitalOcean

Cloud

The developer cloud

From
Free
Rated
-
Full reviewWebsite
K3s logo

K3s

Cloud

Lightweight certified Kubernetes distribution in a single binary

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: DigitalOcean data transfer overage charged at $0.01 per GiB beyond included allowances; K3s the SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity
  • They diverge on capability: DigitalOcean covers Droplets (VPS), K3s covers Single binary.

Where they differ

Only the attributes on which DigitalOcean and K3s actually diverge.

Attributes where DigitalOcean and K3s differ
AttributeDigitalOceanK3s
Pricing modelusage-basedOpen source, no licence fee
PlatformsLinux, Cloud (AWS, GCP, Azure backend)Linux, ARM, Self-hosted
Founded2011Unknown

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 DigitalOcean

  • Droplets (VPS)
  • Managed Kubernetes
  • App Platform
  • Managed Databases
  • Spaces (Object Storage)
  • Floating IPs
  • Load Balancers
  • Firewalls

Only in K3s

  • Single binary
  • SQLite by default
  • Certified conformant
  • Batteries included
  • Low resource footprint
  • Simple install

What people use each for

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

DigitalOcean

  • Developers seeking affordable VPS starting at $4/month for small applicationsnot K3s
  • Teams deploying containerised workloads with Kubernetes starting at $12/month cluster costnot K3s
  • Data scientists and ML engineers requiring NVIDIA GPU access at $1.91/GPU/hour (committed)not K3s

K3s

  • Kubernetes on edge sites and IoT hardware where full clusters will not fitnot DigitalOcean
  • Development and CI clusters that must start fast and cost nothingnot DigitalOcean
  • Small production clusters where full Kubernetes is more operations than the workload justifiesnot DigitalOcean
  • Teaching and learning Kubernetes without cloud spendnot DigitalOcean

Where each one falls short

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

DigitalOcean

  • Data transfer overage charged at $0.01 per GiB beyond included allowances
  • Free tier includes only 3 static sites; additional static sites require paid upgrade
  • Container registry free tier capped at 500 MiB storage; exceeding requires paid tier
  • Functions free tier allows 90,000 GiB-seconds monthly; overages billed on usage basis
  • GPU Droplets require minimum monthly commitment for lower hourly rates; on-demand significantly more expensive

K3s

  • The SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity
  • Bundled components such as Traefik are opinionated defaults that larger teams often strip out and replace
  • Removed in-tree cloud provider integrations mean cloud-specific features need external controllers
  • Aimed at small and edge clusters, so very large deployments are better served by a standard distribution

Pricing, plan by plan

DigitalOcean

Free

No published plan breakdown. See the DigitalOcean review.

K3s

Free
  • K3sFree
    • Full functionality
    • No usage limits
    • Community support

Which should you pick?

Choose DigitalOcean if

  • You need droplets (vps).
  • You want to start without paying.
  • You work on Linux, Cloud (AWS, GCP, Azure backend).
  • You also want managed kubernetes.
DigitalOcean review

Choose K3s if

  • You need single binary.
  • You want to start without paying.
  • You work on Linux, ARM, Self-hosted.
  • You also want sqlite by default.
K3s review

Questions people ask

Is DigitalOcean or K3s better?
Neither clearly leads. DigitalOcean starts at Free and K3s at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, DigitalOcean or K3s?
DigitalOcean starts at Free and K3s at Free.
Does DigitalOcean or K3s run on more platforms?
DigitalOcean runs on Linux, Cloud (AWS, GCP, Azure backend). K3s runs on Linux, ARM, Self-hosted.
Can I use DigitalOcean for free?
Both have a free tier, so you can try either at no cost before committing.
What is DigitalOcean best used for?
DigitalOcean is most often used for developers seeking affordable vps starting at $4/month for small applications, teams deploying containerised workloads with kubernetes starting at $12/month cluster cost, data scientists and ml engineers requiring nvidia gpu access at $1.91/gpu/hour (committed). Of those, developers seeking affordable vps starting at $4/month for small applications and teams deploying containerised workloads with kubernetes starting at $12/month cluster cost are not what K3s is typically brought in for.
What can DigitalOcean do that K3s cannot?
DigitalOcean covers Droplets (VPS), Managed Kubernetes, App Platform, Managed Databases. K3s covers Single binary, SQLite by default, Certified conformant, Batteries included.

Answered from the vendors’ own pages

DigitalOcean: How much does a DigitalOcean Droplet cost?

The cheapest Basic Droplet is $4.00 per month, or $0.00595 per hour, and includes 1 vCPU, 512 MiB of memory, 10 GiB of SSD and 500 GiB of transfer. The next step up is $6.00 per month with 1 GiB of memory, 25 GiB of SSD and 1,000 GiB of transfer.

Source
K3s: Is K3s free?

Yes. K3s is open source with no licence fee. SUSE sells commercial support around Rancher separately.

DigitalOcean: How is DigitalOcean billed?

Droplets are billed hourly as well as monthly, and DigitalOcean states that Bundled Plan and v5 Droplets are billed on a per second basis with a 60 second minimum charge.

Source
K3s: Is K3s real Kubernetes?

Yes. It is CNCF-certified conformant, so standard manifests, kubectl and Helm charts work without modification.

DigitalOcean: What does the cheapest DigitalOcean plan include?

At $4.00 per month you get a single vCPU, 512 MiB of memory, 10 GiB of SSD storage and 500 GiB of outbound transfer. That is the smallest Basic Droplet DigitalOcean sells.

Source
K3s: Why is K3s smaller than Kubernetes?

It strips legacy, alpha and in-tree cloud provider code, packages everything as one binary, and defaults to SQLite instead of etcd.

K3s: Can K3s run in production?

Yes, and it does, particularly at the edge and for small clusters. For a highly available control plane you need to move off the SQLite default to etcd or an external datastore.

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