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Developer Tools · head to head

Spacelift vs Supabase

Spacelift logo

Spacelift

Developer Tools

Infrastructure-as-code orchestration for Terraform, OpenTofu, Pulumi and Kubernetes

From
Free
Free plan
Yes
Full reviewWebsite
Supabase logo

Supabase

Technology

The open source Firebase alternative

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Spacelift users are unlimited and private workers are metered, so deployment concurrency rather than headcount drives the bill, which inverts how most engineering budgets are built and is easy to under-forecast.; Supabase free tier projects auto-pause after 1 week of inactivity
  • They diverge on capability: Spacelift covers Multi-tool orchestration, Supabase covers PostgreSQL database.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Spacelift and Supabase actually diverge.

Attributes where Spacelift and Supabase differ
AttributeSpaceliftSupabase
Pricing modelBy private worker and tier, not by userUnknown
PlatformsWeb, Self-hosted, CloudWeb, iOS, Android
CategoryDeveloper ToolsTechnology
FoundedUnknown2020

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

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 Spacelift

  • Multi-tool orchestration
  • Policy as code
  • Private workers
  • Spaces
  • Blueprints
  • Drift detection

Only in Supabase

  • PostgreSQL database
  • Auto-generated APIs
  • Authentication & authorization
  • Real-time subscriptions
  • Storage
  • Edge functions
  • Vector embeddings
  • Database migrations

What people use each for

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

Spacelift

  • Platform teams running infrastructure changes through approval gates rather than through application CInot Supabase
  • Organisations standardising Terraform and OpenTofu across many teams with policy enforcementnot Supabase
  • Estates needing private runners so cloud credentials never leave the networknot Supabase
  • Teams wanting drift detection and reconciliation rather than plan-time checks alonenot Supabase

Supabase

  • Web application backends using Postgres plus auto-generated REST/GraphQL APIsnot Spacelift
  • Mobile app backends via Flutter/Swift/Kotlin client librariesnot Spacelift
  • AI applications using vector/embeddings storagenot Spacelift
  • Authentication with 20+ social providers plus email/passwordnot Spacelift
  • File and media storage (S3-compatible with CDN) and realtime sync over WebSocketsnot Spacelift

Where each one falls short

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

Spacelift

  • Users are unlimited and private workers are metered, so deployment concurrency rather than headcount drives the bill, which inverts how most engineering budgets are built and is easy to under-forecast.
  • There is no affordable paid entry point. The free tier stops at two users and the next tier is a five-figure commitment with nothing in between.
  • Three of the five tiers are quote-only, so a shortlist cannot be costed without entering a sales process with each vendor on it.
  • The self-hosted build lags the hosted one, has no public worker pool and lacks the Azure and Google Cloud integrations available in the SaaS product, with OIDC federation offered as the workaround.
  • Stacks, Rego policies, Blueprints, Spaces and Spacelift-managed state are proprietary constructs, so leaving means rebuilding the orchestration layer rather than pointing it at a different runner.

Supabase

  • Free tier projects auto-pause after 1 week of inactivity
  • Free tier hard caps: 500 MB database, 1 GB file storage, 5 GB egress/month, 50,000 monthly active users, max 2 active free projects per organization
  • Pro plan charges usage overages beyond included quotas, e.g. $0.00325 per MAU above 100,000 and $0.125/GB disk above 8 GB
  • SOC2/ISO 27001 certification and HIPAA (add-on) compliance require the $599/month Team plan; not available on the $25/month Pro plan

Pricing, plan by plan

Spacelift

Free
  • FreeFree
    • Two users
    • Public workers only
    • No private workers
  • Starter Plus$undefined/year
    • Unlimited users
    • Two public workers
    • One to two private workers
  • Business$undefined/year
    • Unlimited users
    • Three private workers
    • Quoted
  • Enterprise$undefined/year
    • Unlimited users
    • Five to thirty private workers
    • Self-hosted option

Supabase

Free
  • FreeFree
    • 50,000 MAU
    • 500MB database
    • 5GB egress
  • Pro$25/month
    • 100,000 MAU
    • 8GB disk
    • 250GB egress
  • Team$599/month
    • SOC2 and ISO 27001
    • HIPAA add-on
    • 28-day log / 14-day backup retention
  • Enterprise$undefined/month
    • Custom limits
    • Dedicated support manager
    • 24/7/365 support

Which should you pick?

Choose Spacelift if

  • You need multi-tool orchestration.
  • You want to start without paying.
  • You work on Web, Self-hosted, Cloud.
  • You also want policy as code.
Spacelift review

Choose Supabase if

  • You need postgresql database.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want auto-generated apis.
Supabase review

Questions people ask

Is Spacelift or Supabase better?
Neither clearly leads. Spacelift starts at Free and Supabase at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Spacelift or Supabase?
Spacelift starts at Free and Supabase at Free.
Does Spacelift or Supabase run on more platforms?
Spacelift runs on Web, Self-hosted, Cloud. Supabase runs on Web, iOS, Android.
Can I use Spacelift for free?
Both have a free tier, so you can try either at no cost before committing.
What is Spacelift best used for?
Spacelift is most often used for platform teams running infrastructure changes through approval gates rather than through application ci, organisations standardising terraform and opentofu across many teams with policy enforcement, estates needing private runners so cloud credentials never leave the network, teams wanting drift detection and reconciliation rather than plan-time checks alone. Of those, platform teams running infrastructure changes through approval gates rather than through application ci and organisations standardising terraform and opentofu across many teams with policy enforcement are not what Supabase is typically brought in for.
What can Spacelift do that Supabase cannot?
Spacelift covers Multi-tool orchestration, Policy as code, Private workers, Spaces. Supabase covers PostgreSQL database, Auto-generated APIs, Authentication & authorization, Real-time subscriptions.

Answered from the vendors’ own pages

Spacelift: How is Spacelift priced?

By tier and by private worker count rather than per user. Users are unlimited on every paid plan. The published figure on the pricing page carries no period label, and the FAQ describes the tier as an annual subscription, so confirm the period in writing.

Supabase: How much does Supabase cost?

Supabase offers a free tier and three paid plans. Pro starts at $25 per month, Team at $599 per month, and Enterprise requires a custom quote. All pricing is in USD charged monthly.

Source
Spacelift: Does it support OpenTofu?

Yes, and Spacelift sponsors the OpenTofu project, which is a substantive hedge for anyone avoiding Terraform under the Business Source Licence.

Supabase: What are Supabase's usage overage fees?

Pro plan users pay $0.00325 per monthly active user over the 100,000 included, and $0.125 per GB for database storage exceeding 8 GB per project. Compute instances cost $10 to $3,730+ per month.

Source
Spacelift: Is there a self-hosted version?

Yes, described as carrying Enterprise functionality, but it is priced on request and lags the hosted product on cloud integrations.

Spacelift: Why not just use the CI system we already have?

That is the real comparison. General purpose CI handles state, drift, approval gates and concurrency control for infrastructure poorly, and whether that is worth a five-figure floor depends on how much infrastructure change your organisation actually ships.

Spacelift: What happens to our pipelines if we leave?

They do not port. Rego policies, Blueprints, Spaces and managed state are Spacelift constructs and the orchestration has to be rebuilt elsewhere.

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