CircleCI vs Sentry: who uses which
Customers, public proof and the companies that use both.
On usedby, 87 companies use CircleCI and 61 use Sentry. 2 companies use both, including Eventbrite and Nextdoor. CircleCI leads among the HR & Recruiting companies on usedby that use either tool, Sentry among the Artificial Intelligence companies.Latest check Nov 13, 2026: 148 of 148 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 CircleCI, Sentry, or both
Every company with a public proof for at least one of the two tools.
85
listed for CircleCI only
2
companies use both
59
listed for Sentry only
On usedby, 85 companies are listed for CircleCI only, 59 are listed for Sentry only and 2 use both, out of the 146 companies listed for at least one. An absent listing does not prove non-use.
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 |
|---|
 Eventbrite |
 Nextdoor |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use CircleCI, Sentry or both: a share of the companies on usedby, not of the market.
Listed for CircleCI onlyBothListed for Sentry only
More common with CircleCI
- HR & Recruiting3 of the 5 HR & Recruiting companies on usedby that use either tool use CircleCI.
More common with Sentry
- Artificial Intelligence10 of the 14 Artificial Intelligence companies on usedby that use either tool use Sentry.
- Marketing Tech4 of the 6 Marketing Tech companies on usedby that use either tool use Sentry, 1 of them alongside CircleCI.
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: CircleCI, 4 of 6; Sentry, 5 of 6. Missing facts remain unverified, not absent features.
CircleCISentryWhat customers report
Results as the vendor or the customer published them, with the source and the date.
CircleCI
They now spend less than 10 minutes per week on DevOps management.
Tunaiku
Vendor case study, circleci.com, published Nov 13, 2026
Since using CircleCI, Travelex has been able to save roughly £300,000 in the last five years.
Travelex
Vendor case study, circleci.com, published Nov 13, 2026
Sentry
Bitnami reduced monthly costs by 50% after moving to Sentry’s Team plan.
Bitnami
Vendor case study, sentry.io, captured Nov 13, 2026
it took about a month to finish a hardened, production-quality app
Calixa
Vendor case study, sentry.io, captured Nov 13, 2026
Questions about CircleCI and Sentry
Which is used more, CircleCI or Sentry?
CircleCI has more customers on usedby: 87 against 61 for Sentry. CircleCI leads among the HR & Recruiting companies on usedby that use either tool, Sentry among the Artificial Intelligence companies.
Do companies use both CircleCI and Sentry?
Yes. 2 companies use both on usedby, including Eventbrite and Nextdoor.
Who uses CircleCI?
87 companies on usedby, each with the public page that shows it. See who uses CircleCI.
Who uses Sentry?
61 companies on usedby, each with the public page that shows it. See who uses Sentry.
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.