Cloud · head to head
Heroku vs Rook
Rook
Cloud
Kubernetes operator that deploys and manages Ceph storage clusters
- From
- Free
- Rated
- -
The short version
- Only Rook has a free tier, so it costs nothing to try first.
- Each has a real cost: Heroku there is no free dyno tier; the cheapest Eco dyno is $5 per month; Rook rook automates Ceph but does not abstract it, so an incident still demands Ceph expertise, and organisations without it end up hiring consultants at exactly the wrong moment.
- They diverge on capability: Heroku covers Git-based deployment, Rook covers Ceph operator.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Heroku and Rook actually diverge.
Identical on both: 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 Heroku
- Git-based deployment
- Buildpacks
- Dynos (containers)
- Add-ons marketplace
- Postgres database
- Environment variables
- Logging
- API
Only in Rook
- Ceph operator
- Block, file and object
- Erasure coding
- CSI driver
- Automated upgrades
- Multi-cluster mirroring
What people use each for
The jobs each tool is most often brought in to do.
Heroku
- Application hostingnot Rook
- Database as a servicenot Rook
- CI/CD pipelinesnot Rook
- API deploymentnot Rook
Rook
- An on-premises Kubernetes platform needing block, shared filesystem and S3 storage without buying three productsnot Heroku
- A team that already runs Ceph and wants its lifecycle managed declaratively inside Kubernetesnot Heroku
- A large cluster where three-way replication overhead is unaffordable and erasure coding is requirednot Heroku
- An organisation building a private cloud that cannot use managed cloud storage services for residency reasonsnot Heroku
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Heroku
- There is no free dyno tier; the cheapest Eco dyno is $5 per month
- Eco dynos sleep after 30 minutes of inactivity, are restricted to personal accounts and allow only 2 process types
- Free SSL and 10 process types start at the Basic dyno at $7 per month
- Private and Shield dyno types require a Private Space, which is billed on top of the dynos
- Private Space dynos start at $250 per month for Private-M and $500 per month for Private-L
- Dyno prices are per dyno per month, so an app with several process types multiplies the bill
Rook
- Rook automates Ceph but does not abstract it, so an incident still demands Ceph expertise, and organisations without it end up hiring consultants at exactly the wrong moment.
- There is no vendor and no SLA; the realistic commercial support routes are IBM Red Hat OpenShift Data Foundation or an independent Ceph consultancy, both of which change the cost picture entirely.
- Ceph is resource hungry, needing substantial memory and dedicated disks per OSD, so the hardware cost of a properly sized cluster is often underestimated.
- Recovery and rebalancing after a disk or node failure generates heavy background input and output that can degrade application performance for hours, which surprises teams sizing for steady state.
- Minimum viable clusters require several nodes with several disks each, so it is impractical at small scale and the entry hardware cost exceeds simpler alternatives.
Pricing, plan by plan
Heroku
$5/month- Eco Dyno$5/month
- 0.5 GB RAM
- Git/Docker deploy
- Custom domains
- Basic Dyno$7/month
- 0.5 GB RAM
- Always-on
- Free SSL
- Standard-1X Dyno$25/month
- 0.5 GB RAM
- Horizontal scaling
- App metrics
- Standard-2X Dyno$50/month
- 1 GB RAM
- Horizontal scaling
- App metrics
Rook
Free- RookFree
- Apache 2.0 licensed, no licence fee
- Graduated CNCF project
- Community support via GitHub and Slack only
Which should you pick?
Choose Heroku if
- You need git-based deployment.
- You work on Web, Api, Workers.
- You also want buildpacks.
Choose Rook if
- You need ceph operator.
- You want to start without paying.
- You work on Linux, Kubernetes.
- You also want block, file and object.
Questions people ask
- Is Heroku or Rook better?
- Neither clearly leads. Heroku starts at $5/month and Rook at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Heroku or Rook?
- Rook has a free tier; the other does not. Paid plans start at $5/month for Heroku and Free for Rook.
- Does Heroku or Rook run on more platforms?
- Heroku runs on Web, Api, Workers. Rook runs on Linux, Kubernetes.
- Can I use Rook for free?
- Yes. Rook has a free tier, so you can try it without paying. Heroku starts at $5/month.
- What is Heroku best used for?
- Heroku is most often used for application hosting, database as a service, ci/cd pipelines, api deployment. Of those, application hosting and database as a service are not what Rook is typically brought in for.
- What can Heroku do that Rook cannot?
- Heroku covers Git-based deployment, Buildpacks, Dynos (containers), Add-ons marketplace. Rook covers Ceph operator, Block, file and object, Erasure coding, CSI driver.
Answered from the vendors’ own pages
Heroku: How much does Heroku cost?
Heroku dyno pricing starts at $5 per month USD for the Eco tier (with 30-minute inactivity sleep), $7 per month for Basic (always-on), and scales up to $1,500 per month for Performance-2XL with 126 GB RAM.
SourceRook: Who supports it in production?
Nobody by default. IBM sells Red Hat OpenShift Data Foundation, which is supported Rook and Ceph, and independent consultancies sell Ceph support. Decide this before deployment.
Heroku: What is the cheapest always-on Heroku plan?
The Basic Dyno at $7 per month USD is Heroku's cheapest always-on container option. It provides 0.5 GB RAM, free SSL, and support for 10 process types.
SourceRook: Does it need Ceph knowledge?
Yes. Rook handles deployment and routine operations, but troubleshooting a degraded cluster is a Ceph skill and there is no way around it.
Heroku: How is Heroku Postgres priced?
Heroku Postgres Essential tier (shared resources) starts at $5-$20 per month for 1-32 GB disk. Standard tier (dedicated) ranges $50-$12,000 per month. Premium, Private, Shield, and Advanced tiers offer higher performance at corresponding prices.
SourceRook: Can it replace an object storage appliance?
Functionally yes, through the RADOS gateway, but you take on the operations that an appliance vendor would otherwise carry.
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