Keysight VS ZEISS CALYPSO
As of 30 October 2026, ZEISS CALYPSO is named by 234 companies and Keysight by 112; Keysight skews to companies under 200 people (36% vs 33%), ZEISS CALYPSO to companies over 1,000 (45% vs 41%).
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: Keysight's script and mail records show on hundreds of thousands of small sites, ZEISS CALYPSO rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Keysight: 2–200 employees
- 36%
- ZEISS CALYPSO: 2–200 employees
- 33%
- Keysight: 1,000+ employees
- 41%
- ZEISS CALYPSO: 1,000+ employees
- 45%
- Postings per company, 90 days
- 4.9 · 2.6
- 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 | Keysight | share | ZEISS CALYPSO | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 2% | – | – | outside top 12 |
| 2-10 employees | 8 | 7% | 14 | 6% | even |
| 11-50 employees | 12 | 11% | 20 | 9% | Keysight |
| 51-200 employees | 20 | 18% | 43 | 18% | even |
| 201-500 employees | 16 | 14% | 36 | 15% | even |
| 501-1000 employees | 8 | 7% | 16 | 7% | even |
| 1001-5000 employees | 18 | 16% | 55 | 24% | ZEISS CALYPSO |
| 5001-10000 employees | 6 | 5% | 13 | 6% | even |
| 10,001+ employees | 22 | 20% | 37 | 16% | Keysight |
| Segment | Keysight | share | ZEISS CALYPSO | share | Leans |
|---|---|---|---|---|---|
| Manufacturing & industry | 64 | 57% | 133 | 57% | even |
| Technology & software | 22 | 20% | 17 | 7% | Keysight |
| Utilities & infrastructure | 7 | 6% | 5 | 2% | Keysight |
| Business & finance services | 5 | 4% | 52 | 22% | ZEISS CALYPSO |
| Automotive | 4 | 4% | 14 | 6% | ZEISS CALYPSO |
| Public, community & associations | 3 | 3% | 4 | 2% | even |
| Transport, logistics & rental | 2 | 2% | 2 | 1% | even |
| Commerce & trade | 1 | 1% | 2 | 1% | even |
| Consumer services & leisure | 1 | 1% | – | – | outside top 12 |
| Health care | 1 | 1% | 1 | 0% | even |
| Media & content | 1 | 1% | 2 | 1% | even |
| Property & construction | 1 | 1% | 2 | 1% | even |
| Segment | Keysight | share | ZEISS CALYPSO | share | Leans |
|---|---|---|---|---|---|
| United States | 84 | 75% | 136 | 58% | Keysight |
| United Kingdom | 10 | 9% | 11 | 5% | Keysight |
| India | 3 | 3% | – | – | outside top 12 |
| Poland | 3 | 3% | 3 | 1% | even |
| Greece | 2 | 2% | – | – | outside top 12 |
| Singapore | 2 | 2% | – | – | outside top 12 |
| China | 1 | 1% | – | – | outside top 12 |
| Germany | 1 | 1% | 34 | 15% | ZEISS CALYPSO |
| Denmark | 1 | 1% | – | – | outside top 12 |
| Spain | 1 | 1% | 2 | 1% | even |
| France | 1 | 1% | 12 | 5% | ZEISS CALYPSO |
| Italy | 1 | 1% | – | – | outside top 12 |
| Canada | – | – | 7 | 3% | outside top 12 |
| Australia | – | – | 5 | 2% | outside top 12 |
| Switzerland | – | – | 4 | 2% | outside top 12 |
| Sweden | – | – | 3 | 1% | outside top 12 |
| Austria | – | – | 2 | 1% | outside top 12 |
| Belgium | – | – | 1 | 0% | outside top 12 |
| Segment | Keysight | share | ZEISS CALYPSO | share | Leans |
|---|---|---|---|---|---|
| Engineering (non-software) | 279 | 40% | 7 | 1% | Keysight |
| Software engineering | 122 | 18% | 88 | 11% | Keysight |
| Sales | 59 | 8% | 8 | 1% | Keysight |
| Customer service & success | 33 | 5% | – | – | outside top 12 |
| Skilled trades and field service | 23 | 3% | – | – | outside top 12 |
| Product, program & project management | 14 | 2% | 19 | 2% | even |
| Quality, safety & environment | 14 | 2% | 223 | 28% | ZEISS CALYPSO |
| IT operations & business systems | 13 | 2% | 105 | 13% | ZEISS CALYPSO |
| Data & AI | 10 | 1% | 9 | 1% | even |
| Business development & strategy | 8 | 1% | – | – | outside top 12 |
| Finance & accounting | 5 | 1% | 52 | 7% | ZEISS CALYPSO |
| Marketing & communications | 4 | 1% | – | – | outside top 12 |
| Legal, compliance & risk | – | – | 19 | 2% | outside top 12 |
| General management & consulting | – | – | 9 | 1% | outside top 12 |
| Healthcare clinical | – | – | 9 | 1% | outside top 12 |
| Manufacturing and production | – | – | 7 | 1% | outside top 12 |
The companies behind each column
Companies using Keysight →
Companies using ZEISS CALYPSO →
test measurement ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
ZEISS CALYPSO is named by 234 companies in job postings and Keysight by 112; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/keysight-vs-zeiss-calypso)
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.
Keysight vs ZEISS CALYPSO: questions
Which is more used, Keysight or ZEISS CALYPSO?
By companies naming it in their own job postings, ZEISS CALYPSO (234) over Keysight (112). By website-and-DNS footprint, ZEISS CALYPSO (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Keysight?
36% of Keysight companies have 2 to 200 employees, against 33% for ZEISS CALYPSO. 41% of Keysight companies have over 1,000 employees, against 45% for ZEISS CALYPSO.
Do companies run both?
0 companies name both in their postings, usually Keysight in marketing and ZEISS CALYPSO 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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