Harness vs New Relic: who uses which
Customers, public proof and the companies that use both.
On usedby, 45 companies use Harness and 79 use New Relic. 1 company uses both, including Morningstar. Harness leads among the Fintech & Payments companies on usedby that use either tool, New Relic among the Media & Publishing companies.Latest check Nov 13, 2026: 124 of 124 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, New Relic, or both
Every company with a public proof for at least one of the two tools.
44
listed for Harness only
1
company uses both
78
listed for New Relic only
On usedby, 44 companies are listed for Harness only, 78 are listed for New Relic only and 1 uses both, out of the 123 companies listed for at least one. An absent listing does not prove non-use.
Where it lands
Recently publicly listed customers
No new public customer listing since tracking started on October 9, 2026.
Who uses both
Companies with a public line on both tools, at any proof level: the strongest proofs come first, and a job post is marked.
| Company | First public proof, Harness |
|---|---|
Morningstar | On or before Oct 2024 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Harness, New Relic or both: a share of the companies on usedby, not of the market.
Listed for Harness onlyBothListed for New Relic only
More common with Harness
- Fintech & Payments5 of the 8 Fintech & Payments companies on usedby that use either tool use Harness.
- Banking & Mortgages5 of the 5 Banking & Mortgages companies on usedby that use either tool use Harness.
More common with New Relic
- Media & Publishing8 of the 8 Media & Publishing companies on usedby that use either tool use New Relic.
- DevTools & Infrastructure3 of the 5 DevTools & Infrastructure companies on usedby that use either tool use New Relic.
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, 4 of 6; New Relic, 4 of 6. Missing facts remain unverified, not absent features.
Harness
New RelicWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Harness

We went from a release cadence of every two weeks to multiple times a day.
Speedway Motors
Vendor case study, harness.io, published Aug 5, 2026

getting up and running six months ahead of plan
Twilio
Vendor case study, harness.io, published Aug 5, 2026
New Relic

Response times improved by 40% on the backend.
Turo
Vendor case study, newrelic.com, captured Nov 13, 2026

New Relic alerts have enabled proactive technology operations at Swiggy, with a 10% rise in productivity
Swiggy
Vendor case study, newrelic.com, captured Nov 13, 2026
Questions about Harness and New Relic
Which is used more, Harness or New Relic?
New Relic has more customers on usedby: 79 against 45 for Harness. Harness leads among the Fintech & Payments companies on usedby that use either tool, New Relic among the Media & Publishing companies.
Do companies use both Harness and New Relic?
Yes. 1 company uses both on usedby, including Morningstar.
Who uses Harness?
45 companies on usedby, each with the public page that shows it. See who uses Harness.
Who uses New Relic?
79 companies on usedby, each with the public page that shows it. See who uses New Relic.
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.
