Compare · unit testing frameworks

PHPUnit VS React Testing Library_

As of 30 October 2026, React Testing Library is named by 335 companies and PHPUnit by 181; PHPUnit skews to companies under 200 people (70% vs 57%), React Testing Library to companies over 1,000 (20% vs 9%).

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: PHPUnit's script and mail records show on hundreds of thousands of small sites, React Testing Library rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

PHPUnit: 2–200 employees
70%
React Testing Library: 2–200 employees
57%
PHPUnit: 1,000+ employees
9%
React Testing Library: 1,000+ employees
20%
Postings per company, 90 days
1.4 · 2.1
Website or DNS footprint
0 · 0
181companies name PHPUnit
335companies name React Testing Library
0name both
255 · 716postings in 90 days, PHPUnit · React Testing Library
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
SegmentPHPUnitshareReact Testing LibraryshareLeans
Self-employed42%51%even
2-10 employees137%4112%React Testing Library
11-50 employees6636%7522%PHPUnit
51-200 employees4726%7522%PHPUnit
201-500 employees2313%4814%even
501-1000 employees116%237%even
1001-5000 employees158%4112%React Testing Library
5001-10000 employees21%72%even
10,001+ employees––206%outside top 12
By industry
SegmentPHPUnitshareReact Testing LibraryshareLeans
Technology & software10055%20461%React Testing Library
Business & finance services3419%6519%even
Commerce & trade127%154%PHPUnit
Consumer services & leisure127%72%PHPUnit
Media & content74%103%even
Public, community & associations42%21%even
Manufacturing & industry42%185%React Testing Library
Utilities & infrastructure32%31%even
Transport, logistics & rental21%41%even
Automotive11%21%even
Health care11%41%even
Hospitality & travel11%10%even
By country
SegmentPHPUnitshareReact Testing LibraryshareLeans
United States6033%19257%React Testing Library
Germany2313%103%PHPUnit
France179%82%PHPUnit
United Kingdom169%3510%even
Poland127%51%PHPUnit
India84%227%React Testing Library
Austria53%––outside top 12
Netherlands42%––outside top 12
Australia32%51%even
Canada32%93%even
Lithuania32%41%even
Belgium21%––outside top 12
Singapore––51%outside top 12
United Arab Emirates––31%outside top 12
Brazil––31%outside top 12
Postings by team (share of each tool's postings)
SegmentPHPUnitshareReact Testing LibraryshareLeans
Software engineering57394%89194%even
Product, program & project management71%––outside top 12
Education & training20%––outside top 12
IT operations & business systems20%81%even
Marketing & communications20%––outside top 12
Data & AI10%40%even
Engineering (non-software)10%91%even
Quality, safety & environment10%10%even
Customer service & success––20%outside top 12
Design & UX––10%outside top 12
Sales––10%outside top 12
Unclassified––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.

React Testing Library is named by 335 companies in job postings and PHPUnit by 181; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/phpunit-vs-react-testing-library)
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

PHPUnit vs React Testing Library: questions

Which is more used, PHPUnit or React Testing Library?

By companies naming it in their own job postings, React Testing Library (335) over PHPUnit (181). By website-and-DNS footprint, React Testing Library (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses PHPUnit?

70% of PHPUnit companies have 2 to 200 employees, against 57% for React Testing Library. 9% of PHPUnit companies have over 1,000 employees, against 20% for React Testing Library.

Do companies run both?

0 companies name both in their postings, usually PHPUnit in marketing and React Testing Library 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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with the person who owns it

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