QA Wolf vs Sonar: who uses which
Customers, public proof and the companies that use both.
On usedby, 39 companies use QA Wolf and 53 use Sonar. No company is listed with both yet. Sonar leads among the IT Services & System Integration companies on usedby that use either tool.Latest check Oct 7, 2026: 92 of 92 public lines checked. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side.
Who uses QA Wolf, Sonar, or both
Every company with a public proof for at least one of the two tools.
39
use only QA Wolf
0
companies use both
53
use only Sonar
39 companies use only QA Wolf, 53 use only Sonar and 0 use both, out of the 92 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 7, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 7, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use QA Wolf, Sonar or both: a share of the companies on usedby, not of the market.
QA Wolf onlyBothSonar only
More common with Sonar
- IT Services & System Integration7 of the 7 IT Services & System Integration companies on usedby that use either tool use Sonar.
- Banking & Mortgages5 of the 5 Banking & Mortgages companies on usedby that use either tool use Sonar.
Source: confirmed and observed usedby lines. Job-post signals, the weakest proof level, are left out of these shares.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
QA WolfSonarWhat customers report
Results as the vendor or the customer published them, with the source and the date.
QA Wolf
Padlet's PMs get 15% more time each week
Padlet
Vendor case study, qawolf.com, captured Oct 7, 2026
the team reached nearly 100% test coverage in four months
Bubble
Vendor case study, qawolf.com, captured Oct 7, 2026
Sonar
issues are identified 60% faster
DEPT®
Vendor case study, sonarsource.com, published Dec 31, 2025
onboard 3,500 repositories
Xero
Vendor case study, sonarsource.com, published Apr 10, 2026
Questions about QA Wolf and Sonar
Which is used more, QA Wolf or Sonar?
Sonar has more customers on usedby: 53 against 39 for QA Wolf.
Do companies use both QA Wolf and Sonar?
usedby has not found a company with a confirmed or observed line on both QA Wolf and Sonar yet.
Who uses QA Wolf?
39 companies on usedby, each with the public page that shows it. See who uses QA Wolf.
Who uses Sonar?
53 companies on usedby, each with the public page that shows it. See who uses Sonar.
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 three proof levels: confirmed, observed or signal (a job post, the weakest). A company is named as using both tools when its lines on both are confirmed or observed.