Compare · Programming languages

C# VS Swift_

As of 30 October 2026, Swift is named by 2,088 companies and C# by 8,869; C# skews to companies under 200 people (50% vs 55%), Swift to companies over 1,000 (24% vs 25%).

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

C#: 2–200 employees
50%
Swift: 2–200 employees
55%
C#: 1,000+ employees
25%
Swift: 1,000+ employees
24%
Postings per company, 90 days
4.0 · 2.8
Website or DNS footprint
0 · 0
8,869companies name C#
2,088companies name Swift
0name both
35,301 · 5,945postings in 90 days, C# · Swift
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
SegmentC#shareSwiftshareLeans
Self-employed531%362%even
2-10 employees5716%21710%Swift
11-50 employees1,93822%48723%even
51-200 employees1,96622%44922%even
201-500 employees1,30115%23811%C#
501-1000 employees8109%1648%even
1001-5000 employees1,22614%27213%even
5001-10000 employees3244%713%even
10,001+ employees6808%1547%even
By industry
SegmentC#shareSwiftshareLeans
Technology & software4,11446%1,09452%Swift
Business & finance services1,63318%49324%Swift
Manufacturing & industry1,26314%1045%C#
Media & content3604%1045%even
Utilities & infrastructure2283%201%even
Consumer services & leisure2253%563%even
Commerce & trade2002%533%even
Property & construction1952%352%even
Public, community & associations1942%502%even
Transport, logistics & rental1402%231%even
Automotive1281%151%even
Health care1271%271%even
By country
SegmentC#shareSwiftshareLeans
United States4,51151%1,09152%even
Germany84710%965%C#
United Kingdom6417%1678%even
India3033%1236%Swift
Netherlands2643%––outside top 12
Canada2633%462%even
France2313%673%even
Australia1562%311%even
Italy1522%322%even
Sweden1482%251%even
Poland1261%311%even
Austria1081%––outside top 12
United Arab Emirates––311%outside top 12
Singapore––281%outside top 12
Postings by team (share of each tool's postings)
SegmentC#shareSwiftshareLeans
Software engineering32,91766%5,76962%C#
IT operations & business systems3,3697%8729%Swift
Engineering (non-software)2,8686%1141%C#
Data & AI2,4115%1552%C#
Product, program & project management4171%2543%even
Sales4091%611%even
Finance & accounting2791%3173%Swift
Design & UX2561%––outside top 12
Unclassified2470%380%even
Customer service & success2400%861%even
Quality, safety & environment1570%––outside top 12
Education & training1120%290%even
Legal, compliance & risk––661%outside top 12
construction and civil––320%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.

Swift is named by 2,088 companies in job postings and C# by 8,869; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/c-sharp-vs-swift)
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

C# vs Swift: questions

Which is more used, C# or Swift?

By companies naming it in their own job postings, C# (8,869) over Swift (2,088). By website-and-DNS footprint, Swift (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses C#?

50% of C# companies have 2 to 200 employees, against 55% for Swift. 25% of C# companies have over 1,000 employees, against 24% for Swift.

Do companies run both?

0 companies name both in their postings, usually C# in marketing and Swift 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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