Side-by-side record

incident.io vs. Spacelift

A side-by-side view of the product records we have today. Use it to narrow the question, then confirm current pricing, limits, and security details with each vendor.

The short version

incident.io starts at Free per seat, versus Spacelift at Free. Spacelift carries the higher aggregate rating (4.9/5 vs 4.8/5). incident.io lists more integrations (70+ vs 28+).

Full comparison

	incident.iofrom Free	Spaceliftfrom Free
Audyense Score	79ASStrong	69ASFair
Positioning	Slack-native incident management and on-call	IaC orchestration and CI/CD for Terraform, OpenTofu & more
Free tier	Yes	Yes
Deployment	Cloud / SaaS	Cloud / SaaS, On-premise
Best fit	Startup, SMB, Mid-market, Enterprise	Mid-market, Enterprise
Pricing plans	BasicFree Team$19 Pro$25 EnterpriseCustom pricing	FreeFree Starter +$20,000 BusinessCustom pricing EnterpriseCustom pricing Enterprise +Custom pricing
Infrastructure monitoring	NoIntegrates with monitoring tools but does not monitor infrastructure itself	PartialContinuous drift detection on infrastructure state, not metrics-based infra monitoring
Application performance monitoring (APM)	NoNo native APM; ingests alerts from APM vendors	NoNot an APM tool; IaC orchestration focused
Log management	NoNo log storage; connects to log/observability tools	NoSurfaces run/plan/apply logs on PRs but is not a log-management platform
Distributed tracing	NoNot a tracing tool; consumes alerts from tracing platforms	NoNot offered
Alerting & on-call	YesDedicated On-call product with schedules, escalations, cover requests	NoSends notifications via Slack/Teams but is not an alerting/on-call tool
Incident management	YesCore product: declare, coordinate, resolve, postmortems	NoNot offered
CI/CD pipelines	NoNo native CI/CD; integrates with GitHub/GitLab for context	YesCore capability: IaC CI/CD orchestration with PR-native plan/apply workflows
Self-hosting / on-prem	NoCloud-only SaaS; no self-hosted or on-premise option	YesSelf-hosted/private workers plus on-prem and air-gapped deployment on Enterprise +
Public API	YesPublic REST API and webhooks available	YesGraphQL API, webhooks, and a Terraform provider to manage Spacelift as code
AI features	YesAI SRE / AI agents for incident summaries and assisted resolution	NoNot a core focus of the platform
Integrations verified	70+	28+
Aggregate rating	4.8 · 179 reviews	4.9 · 12 reviews
Integrations	SlackMicrosoft TeamsPagerDutyOpsgenieDatadogGrafana+9 more	TerraformOpenTofuTerragruntPulumiCloudFormationAnsible+14 more
Security & compliance	SOC 2 Type IIGDPR	SOC 2 Type IIFedRAMP
Pros	Deep Slack-native incident response that teams find intuitive Powerful automated workflows, timelines, and role assignment Fast onboarding and broad integration ecosystem Consistently high ease-of-use ratings versus competitors	Policy-as-code engine (OPA/Rego) gives fine-grained control over who can plan/approve/apply infrastructure changes Thorough documentation with working examples that reduce need for support tickets Solid automation surface: GraphQL API, webhooks, and a Terraform provider to manage Spacelift itself as code Terraform plan/apply logs are surfaced directly on the pull request
Cons	Per-seat/per-responder pricing becomes expensive at scale On-call is a separate paid add-on on top of base plans Heavy reliance on Slack; less value for non-Slack teams Status pages and some features are limited on lower tiers	Learning curve around core concepts like contexts and stacks during onboarding Writing OPA/Rego policies is not beginner-friendly and policy-failure error messages can be unclear Per-worker / concurrency-based pricing can become expensive as parallel run needs grow Entry paid tier (~$20k/year) is a steep step up from the limited free plan
	Visit incident.io ↗	Visit Spacelift ↗

Editorial read of this comparison

The table summarizes structured facts; this section explains what the differences mean for a real buying decision.

Where each tool fits, and where it may not

incident.io

incident.io is a cloud-based incident management and on-call platform built around Slack and Microsoft Teams. It helps engineering teams declare, coordinate, and resolve incidents with automated workflows, role assignment, status pages, alerting, and postmortems. Founded in 2021 by ex-Monzo engineers, it targets teams from startups to enterprises.

A particularly good fit for: Engineering teams that run operations in Slack Fast-growing companies formalizing incident response Teams wanting combined incident management + on-call

May be a poor fit if: Teams needing built-in infrastructure/APM monitoring Organizations requiring self-hosted deployment

Spacelift

Spacelift is an infrastructure-as-code management and CI/CD orchestration platform for Terraform, OpenTofu, Terragrunt, Pulumi, CloudFormation, Ansible, and Kubernetes. It adds policy-as-code governance (OPA/Rego), drift detection, self-hosted private workers, and pull-request-native plan/apply workflows on top of existing IaC. It targets teams that need governance, auditability, and scale beyond open-source PR automation tools.

A particularly good fit for: Platform/DevOps teams standardizing multi-tool IaC CI/CD across many repos and stacks Organizations needing policy-as-code governance, approval controls, and audit trails over Terraform/OpenTofu changes Regulated or enterprise environments requiring self-hosted/private workers, SSO/SAML, or FedRAMP/air-gapped deployment

May be a poor fit if: Small teams or individuals wanting a free or low-cost tool, given the ~$20k/year entry paid tier Teams wanting a general-purpose observability/monitoring or on-call stack (Spacelift is IaC-focused, not APM/logging)

Pricing and plan structure

incident.io: Published starting price Free

BasicFree
Team$19 per seat / month
Pro$25 per seat / month
EnterpriseCustom pricing

Spacelift: Published starting price Free

FreeFree
Starter +$20,000 per year (flat)
BusinessCustom pricing
EnterpriseCustom pricing
Enterprise +Custom pricing

Capabilities worth validating

incident.io: Alerting & on-call, Incident management, Public API, AI features Integrations include Slack, Microsoft Teams, PagerDuty, Opsgenie.
Spacelift: CI/CD pipelines, Infrastructure monitoring, Public API, Self-hosting / on-prem Integrations include Terraform, OpenTofu, Terragrunt, Pulumi.

Questions to answer before switching

Does incident.io's selected plan include the features and limits we need?
Does Spacelift's selected plan include the features and limits we need?
Does the exact integration path for Slack, Microsoft Teams, PagerDuty support the sync direction, permissions, and volume we need?
Will the deployment and data-residency model meet our security and procurement requirements?

How to evaluate this shortlist

A useful comparison turns the differences between DevOps tools into a concrete test. Use these steps to avoid choosing from a feature table or the lowest headline price alone.

Start with a representative DevOps workflow, not a feature checklist. Define who will use it, what data goes in, and what outcome the team needs.
Test the complete path through Slack, Microsoft Teams, PagerDuty: permissions, sync direction, failure handling, and volume limits often matter more than the integration name.
Compare the cost of the real scenario, including users, usage, storage, support, and contract requirements. The entry price alone does not measure adoption cost.
Before switching, list the evidence gaps, request a demo of the critical workflow, and confirm security, data residency, export, and support with each vendor.

Structured signals help narrow the shortlist, but a trial with a real workflow is still the best way to validate the decision.

Research basis

Last checked: 2026-07-21. Pricing, integrations, feature support, and review signals can change, so treat this as a research snapshot and verify the final decision with the vendor.

Sources consulted: incident.io product site, G2; Spacelift product site, G2, PeerSpot