Harness vs incident.io: who uses which
Customers, public proof and the companies that use both.
On usedby, 44 companies use Harness and 48 use incident.io. No company is listed with both yet. Harness leads among the Banking & Mortgages companies on usedby that use either tool, incident.io among the Fintech & Payments companies.Latest check Nov 4, 2026: 92 of 92 public lines checked. Counts include every proof level, job-post signals included. A company on both tools counts at any proof level, and a job post on one side is marked as such.
Who uses Harness, incident.io, or both
Every company with a public proof for at least one of the two tools.
44
listed for Harness only
0
companies use both
48
listed for incident.io only
On usedby, 44 companies are listed for Harness only, 48 are listed for incident.io only and 0 use both, out of the 92 companies listed for at least one. An absent listing does not prove non-use.
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Harness, incident.io or both: a share of the companies on usedby, not of the market.
Listed for Harness onlyBothListed for incident.io only
More common with Harness
- Banking & Mortgages4 of the 5 Banking & Mortgages companies on usedby that use either tool use Harness.
More common with incident.io
- Fintech & Payments7 of the 12 Fintech & Payments companies on usedby that use either tool use incident.io.
- DevTools & Infrastructure7 of the 9 DevTools & Infrastructure companies on usedby that use either tool use incident.io.
- Artificial Intelligence4 of the 6 Artificial Intelligence companies on usedby that use either tool use incident.io.
Source: every usedby line, from confirmed proofs to job-post signals (the weakest proof level).
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Vendor facts checked: Harness, 2 of 3; incident.io, 3 of 3. Missing facts remain unverified, not absent features.
Harness
incident.ioWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Harness

Raisin increased deployment frequency by approximately 400x compared with its Jenkins-based process.
Raisin
Vendor case study, harness.io, published Oct 14, 2026

drastically increasing deployment frequency by 35X
SheerID
Vendor case study, harness.io, published Sep 17, 2026
incident.io

3.5 hours saved per P1/P2 post-mortem
Trainline
Vendor case study, incident.io, published Jun 25, 2024

I’d estimate that we save at least 3 hours onboarding each new oncaller
Giant Swarm
Vendor case study, incident.io, published Feb 1, 2021
Evidence for your decision: incident.io
Source observations. Check the required plan and conditions before choosing.
Documented tasks
BuiltAutomate internal business workflows
Timeline generation now happens automatically from Slack history and call transcripts.
VantaAutomate internal business workflows
With incident.io, Vanta is able to alert the right people within minutes.
Choice criteria
Free trial or free plan: YesSourced observation
Plan: Unknown
Basic Free Forever Everything you need to get started with incident management
Integration: JiraSourced observation
Plan: Unknown
Export and automatically sync your incident actions with tickets in Jira.
Pricing: $25Sourced observation
Plan: Pro
Scope: Per user / month
Pro $25 Per user / month
Integration: SlackSourced observation
Plan: Basic
Conditions: Basic plan only; native incident response scope.
Product: incident.io
Setup and limits: Named plan, contract entitlement, connector scopes, permissions, volume limits and regional eligibility remain unknown.; Documented only; not_tested. No authenticated vendor operation executed.
Slack or Microsoft Teams native incident response
Questions about Harness and incident.io
Which is used more, Harness or incident.io?
incident.io has more customers on usedby: 48 against 44 for Harness. Harness leads among the Banking & Mortgages companies on usedby that use either tool, incident.io among the Fintech & Payments companies.
Do companies use both Harness and incident.io?
usedby has not found a company with a public line on both Harness and incident.io yet.
Who uses Harness?
44 companies on usedby, each with the public page that shows it. See who uses Harness.
Who uses incident.io?
48 companies on usedby, each with the public page that shows it. See who uses incident.io.
How does usedby count customers?
A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of four proof levels: confirmed, declared by the company itself, observed or signal (a job post, the weakest). A company counts as using both tools when it has a line on each, at any level; the list shows the strongest proofs first and marks job posts.