Compare · unit testing frameworks

Jest VS SpecFlow_

As of 30 October 2026, SpecFlow is named by 100 companies and Jest by 1,294; Jest skews to companies under 200 people (56% vs 39%), SpecFlow to companies over 1,000 (34% vs 23%).

As of 30 October 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, SpecFlow rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

Jest: 2–200 employees
56%
SpecFlow: 2–200 employees
39%
Jest: 1,000+ employees
23%
SpecFlow: 1,000+ employees
34%
Postings per company, 90 days
2.1 · 2.1
Website or DNS footprint
0 · 0
1,294companies name Jest
100companies name SpecFlow
0name both
2,713 · 215postings in 90 days, Jest · SpecFlow
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
SegmentJestshareSpecFlowshareLeans
Self-employed141%––outside top 12
2-10 employees13110%77%Jest
11-50 employees31024%1212%Jest
51-200 employees28322%2020%even
201-500 employees15612%1717%SpecFlow
501-1000 employees998%1010%SpecFlow
1001-5000 employees14912%1919%SpecFlow
5001-10000 employees494%55%even
10,001+ employees1038%1010%SpecFlow
By industry
SegmentJestshareSpecFlowshareLeans
Technology & software81363%5757%Jest
Business & finance services23018%2929%SpecFlow
Manufacturing & industry756%66%even
Media & content343%11%even
Commerce & trade333%––outside top 12
Consumer services & leisure322%––outside top 12
Public, community & associations181%––outside top 12
Health care141%––outside top 12
Property & construction131%11%even
Transport, logistics & rental91%55%SpecFlow
Utilities & infrastructure81%11%even
Hospitality & travel71%––outside top 12
By country
SegmentJestshareSpecFlowshareLeans
United States74057%6464%SpecFlow
United Kingdom998%1313%SpecFlow
India736%33%Jest
Germany655%11%Jest
France464%––outside top 12
Canada282%––outside top 12
Poland202%22%even
Australia191%22%even
Singapore181%––outside top 12
Brazil171%––outside top 12
Italy151%––outside top 12
Spain141%––outside top 12
Netherlands––55%outside top 12
Switzerland––22%outside top 12
Sweden––22%outside top 12
United Arab Emirates––11%outside top 12
Argentina––11%outside top 12
Bulgaria––11%outside top 12
Postings by team (share of each tool's postings)
SegmentJestshareSpecFlowshareLeans
Software engineering3,55090%26982%Jest
Engineering (non-software)471%206%SpecFlow
Data & AI431%21%even
IT operations & business systems351%10%even
Quality, safety & environment291%82%even
Unclassified110%10%even
Design & UX60%––outside top 12
Finance & accounting40%––outside top 12
Business development & strategy30%––outside top 12
Education & training30%––outside top 12
Sales30%––outside top 12
Customer service & success20%––outside top 12
Product, program & project management––41%outside top 12
Marketing & communications––31%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.

SpecFlow is named by 100 companies in job postings and Jest by 1,294; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/jest-vs-specflow)
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 SpecFlow: questions

Which is more used, Jest or SpecFlow?

By companies naming it in their own job postings, Jest (1,294) over SpecFlow (100). By website-and-DNS footprint, SpecFlow (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses Jest?

56% of Jest companies have 2 to 200 employees, against 39% for SpecFlow. 23% of Jest companies have over 1,000 employees, against 34% for SpecFlow.

Do companies run both?

0 companies name both in their postings, usually Jest in marketing and SpecFlow 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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The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.

Every company on either tool,
with the person who owns it

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