Ansys HFSS VS Ansys STK
As of 30 October 2026, Ansys STK is named by 135 companies and Ansys HFSS by 331; Ansys HFSS skews to companies under 200 people (46% vs 45%), Ansys STK to companies over 1,000 (28% vs 35%).
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: Ansys HFSS's script and mail records show on hundreds of thousands of small sites, Ansys STK rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Ansys HFSS: 2–200 employees
- 46%
- Ansys STK: 2–200 employees
- 45%
- Ansys HFSS: 1,000+ employees
- 35%
- Ansys STK: 1,000+ employees
- 28%
- Postings per company, 90 days
- 4.7 · 4.8
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Ansys HFSS | share | Ansys STK | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 4 | 1% | 1 | 1% | even |
| 2-10 employees | 44 | 13% | 15 | 11% | Ansys HFSS |
| 11-50 employees | 42 | 13% | 15 | 11% | even |
| 51-200 employees | 65 | 20% | 31 | 23% | Ansys STK |
| 201-500 employees | 36 | 11% | 27 | 20% | Ansys STK |
| 501-1000 employees | 23 | 7% | 8 | 6% | even |
| 1001-5000 employees | 48 | 15% | 20 | 15% | even |
| 5001-10000 employees | 19 | 6% | 5 | 4% | Ansys HFSS |
| 10,001+ employees | 50 | 15% | 13 | 10% | Ansys HFSS |
| Segment | Ansys HFSS | share | Ansys STK | share | Leans |
|---|---|---|---|---|---|
| Manufacturing & industry | 206 | 62% | 82 | 61% | even |
| Technology & software | 54 | 16% | 24 | 18% | even |
| Business & finance services | 21 | 6% | 15 | 11% | Ansys STK |
| Utilities & infrastructure | 12 | 4% | 7 | 5% | even |
| Public, community & associations | 11 | 3% | 2 | 1% | even |
| Automotive | 8 | 2% | – | – | outside top 12 |
| Consumer services & leisure | 6 | 2% | 2 | 1% | even |
| Transport, logistics & rental | 5 | 2% | 1 | 1% | even |
| Media & content | 4 | 1% | – | – | outside top 12 |
| Commerce & trade | 2 | 1% | – | – | outside top 12 |
| Property & construction | 2 | 1% | 2 | 1% | even |
| Segment | Ansys HFSS | share | Ansys STK | share | Leans |
|---|---|---|---|---|---|
| United States | 238 | 72% | 113 | 84% | Ansys STK |
| United Kingdom | 16 | 5% | 3 | 2% | Ansys HFSS |
| Germany | 15 | 5% | 1 | 1% | Ansys HFSS |
| France | 10 | 3% | 2 | 1% | even |
| India | 7 | 2% | – | – | outside top 12 |
| Canada | 5 | 2% | 1 | 1% | even |
| Netherlands | 4 | 1% | – | – | outside top 12 |
| Spain | 3 | 1% | – | – | outside top 12 |
| Poland | 3 | 1% | – | – | outside top 12 |
| Singapore | 3 | 1% | – | – | outside top 12 |
| Austria | 2 | 1% | – | – | outside top 12 |
| Belgium | 2 | 1% | – | – | outside top 12 |
| Italy | – | – | 2 | 1% | outside top 12 |
| Australia | – | – | 1 | 1% | outside top 12 |
| Cyprus | – | – | 1 | 1% | outside top 12 |
| Czechia | – | – | 1 | 1% | outside top 12 |
| Denmark | – | – | 1 | 1% | outside top 12 |
| Japan | – | – | 1 | 1% | outside top 12 |
| Norway | – | – | 1 | 1% | outside top 12 |
| Segment | Ansys HFSS | share | Ansys STK | share | Leans |
|---|---|---|---|---|---|
| Engineering (non-software) | 1,766 | 90% | 557 | 68% | Ansys HFSS |
| Research and science | 28 | 1% | – | – | outside top 12 |
| Sales | 13 | 1% | 4 | 0% | even |
| Software engineering | 12 | 1% | 31 | 4% | Ansys STK |
| Customer service & success | 4 | 0% | – | – | outside top 12 |
| Design & UX | 4 | 0% | – | – | outside top 12 |
| Unclassified | 3 | 0% | – | – | outside top 12 |
| Marketing & communications | 2 | 0% | – | – | outside top 12 |
| Product, program & project management | 2 | 0% | 2 | 0% | even |
| Arts media and entertainment | 1 | 0% | – | – | outside top 12 |
| Data & AI | 1 | 0% | 15 | 2% | even |
| IT operations & business systems | 1 | 0% | 14 | 2% | even |
| Public safety and protective services | – | – | 12 | 1% | outside top 12 |
| Education & training | – | – | 6 | 1% | outside top 12 |
| Business development & strategy | – | – | 2 | 0% | outside top 12 |
| Logistics warehouse and transport | – | – | 2 | 0% | outside top 12 |
| General management & consulting | – | – | 1 | 0% | outside top 12 |
| Legal, compliance & risk | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Ansys HFSS →
Companies using Ansys STK →
cae simulation ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Ansys STK is named by 135 companies in job postings and Ansys HFSS by 331; 19 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/ansys-hfss-vs-ansys-stk)
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.
Ansys HFSS vs Ansys STK: questions
Which is more used, Ansys HFSS or Ansys STK?
By companies naming it in their own job postings, Ansys HFSS (331) over Ansys STK (135). By website-and-DNS footprint, Ansys STK (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Ansys HFSS?
46% of Ansys HFSS companies have 2 to 200 employees, against 45% for Ansys STK. 35% of Ansys HFSS companies have over 1,000 employees, against 28% for Ansys STK.
Do companies run both?
19 companies name both in their postings, usually Ansys HFSS in marketing and Ansys STK 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.
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