Compare · unit testing frameworks

Jest VS TestNG_

As of 4 November 2026, TestNG is named by 628 companies and Jest by 1,768; Jest skews to companies under 200 people (54% vs 44%), TestNG to companies over 1,000 (31% vs 24%).

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Jest's script and mail records show on hundreds of thousands of small sites, TestNG rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

Jest: 2–200 employees
54%
TestNG: 2–200 employees
44%
Jest: 1,000+ employees
24%
TestNG: 1,000+ employees
31%
Postings per company, 90 days
2.2 · 2.5
Website or DNS footprint
0 · 0
1,768companies name Jest
628companies name TestNG
0name both
3,922 · 1,553postings in 90 days, Jest · TestNG
02 — Side by side

Who chooses which

Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.

By company size
SegmentJestshareTestNGshareLeans
Self-employed664%163%even
2-10 employees20111%467%Jest
11-50 employees39022%9215%Jest
51-200 employees37221%13622%even
201-500 employees19411%9415%TestNG
501-1000 employees1297%518%even
1001-5000 employees19811%9014%TestNG
5001-10000 employees654%345%even
10,001+ employees1539%6911%TestNG
By industry
SegmentJestshareTestNGshareLeans
Technology & software1,04059%39363%TestNG
Business & finance services35420%14223%TestNG
Manufacturing & industry1026%254%even
Media & content593%81%Jest
Commerce & trade503%51%Jest
Consumer services & leisure503%173%even
Public, community & associations261%61%even
Property & construction171%51%even
Health care161%––outside top 12
Hospitality & travel141%41%even
Transport, logistics & rental131%61%even
Utilities & infrastructure131%102%even
Automotive––41%outside top 12
By country
SegmentJestshareTestNGshareLeans
United States98656%38561%TestNG
United Kingdom1257%406%even
India915%538%TestNG
Germany815%102%Jest
France593%91%even
Canada392%102%even
Brazil322%––outside top 12
Australia282%102%even
Poland251%102%even
Spain191%––outside top 12
Singapore181%61%even
Italy171%––outside top 12
United Arab Emirates––41%outside top 12
Austria––41%outside top 12
Belgium––41%outside top 12
Postings by team (share of each tool's postings)
SegmentJestshareTestNGshareLeans
Software engineering4,66088%1,85984%Jest
Engineering (non-software)1022%1055%TestNG
Data & AI962%80%even
Quality, safety & environment571%1175%TestNG
IT operations & business systems531%291%even
Unclassified281%50%even
Design & UX60%––outside top 12
Finance & accounting50%––outside top 12
Sales40%––outside top 12
Education & training30%20%even
Retail & store operations30%––outside top 12
Business development & strategy20%––outside top 12
Customer service & success20%20%even
Product, program & project management20%40%even
research and science20%––outside top 12
construction and civil10%––outside top 12
General management & consulting10%30%even
Human resources10%––outside top 12
Marketing & communications10%20%even
social care and community10%––outside top 12
hospitality and food service––10%outside top 12
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

TestNG is named by 628 companies in job postings and Jest by 1,768; 0 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/jest-vs-testng)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
  • Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
  • SegmentsCountry, size and industry from the company profile built from its website.
  • Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
FAQ

Jest vs TestNG: questions

Which is more used, Jest or TestNG?

By companies naming it in their own job postings, Jest (1,768) over TestNG (628). By website-and-DNS footprint, TestNG (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses Jest?

54% of Jest companies have 2 to 200 employees, against 44% for TestNG. 24% of Jest companies have over 1,000 employees, against 31% for TestNG.

Do companies run both?

0 companies name both in their postings, usually Jest in marketing and TestNG in sales, or during a migration.

Where do these numbers come from?

From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.

Companies and people

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