Cadence Allegro VS LTspice
As of 30 October 2026, LTspice is named by 310 companies and Cadence Allegro by 168; Cadence Allegro skews to companies under 200 people (36% vs 41%), LTspice to companies over 1,000 (36% vs 46%).
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: Cadence Allegro's script and mail records show on hundreds of thousands of small sites, LTspice rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Cadence Allegro: 2–200 employees
- 36%
- LTspice: 2–200 employees
- 41%
- Cadence Allegro: 1,000+ employees
- 46%
- LTspice: 1,000+ employees
- 36%
- Postings per company, 90 days
- 4.2 · 2.8
- 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 | Cadence Allegro | share | LTspice | share | Leans |
|---|---|---|---|---|---|
| 2-10 employees | 16 | 10% | 27 | 9% | even |
| 11-50 employees | 12 | 7% | 39 | 13% | LTspice |
| 51-200 employees | 33 | 20% | 60 | 19% | even |
| 201-500 employees | 19 | 11% | 44 | 14% | LTspice |
| 501-1000 employees | 10 | 6% | 25 | 8% | LTspice |
| 1001-5000 employees | 28 | 17% | 40 | 13% | Cadence Allegro |
| 5001-10000 employees | 9 | 5% | 15 | 5% | even |
| 10,001+ employees | 41 | 24% | 57 | 18% | Cadence Allegro |
| Self-employed | – | – | 3 | 1% | outside top 12 |
| Segment | Cadence Allegro | share | LTspice | share | Leans |
|---|---|---|---|---|---|
| Manufacturing & industry | 114 | 68% | 207 | 67% | even |
| Technology & software | 25 | 15% | 21 | 7% | Cadence Allegro |
| Business & finance services | 12 | 7% | 19 | 6% | even |
| Utilities & infrastructure | 5 | 3% | 13 | 4% | even |
| Automotive | 4 | 2% | 19 | 6% | LTspice |
| Consumer services & leisure | 3 | 2% | 4 | 1% | even |
| Commerce & trade | 2 | 1% | 3 | 1% | even |
| Media & content | 2 | 1% | 5 | 2% | even |
| Public, community & associations | 1 | 1% | 6 | 2% | even |
| Property & construction | – | – | 6 | 2% | outside top 12 |
| Health care | – | – | 4 | 1% | outside top 12 |
| Transport, logistics & rental | – | – | 3 | 1% | outside top 12 |
| Segment | Cadence Allegro | share | LTspice | share | Leans |
|---|---|---|---|---|---|
| United States | 123 | 73% | 184 | 59% | Cadence Allegro |
| United Kingdom | 8 | 5% | 16 | 5% | even |
| India | 8 | 5% | 9 | 3% | even |
| Germany | 5 | 3% | 31 | 10% | LTspice |
| France | 4 | 2% | 21 | 7% | LTspice |
| Austria | 3 | 2% | 3 | 1% | even |
| Canada | 2 | 1% | 11 | 4% | LTspice |
| Netherlands | 2 | 1% | 4 | 1% | even |
| Sweden | 2 | 1% | – | – | outside top 12 |
| Singapore | 2 | 1% | – | – | outside top 12 |
| Belgium | 1 | 1% | – | – | outside top 12 |
| Czechia | 1 | 1% | 2 | 1% | even |
| Spain | – | – | 4 | 1% | outside top 12 |
| Italy | – | – | 4 | 1% | outside top 12 |
| Australia | – | – | 2 | 1% | outside top 12 |
| Segment | Cadence Allegro | share | LTspice | share | Leans |
|---|---|---|---|---|---|
| Engineering (non-software) | 730 | 85% | 987 | 89% | LTspice |
| Software engineering | 13 | 2% | 19 | 2% | even |
| Quality, safety & environment | 9 | 1% | 5 | 0% | even |
| Sales | 8 | 1% | 8 | 1% | even |
| IT operations & business systems | 7 | 1% | 2 | 0% | even |
| Arts media and entertainment | 5 | 1% | – | – | outside top 12 |
| Design & UX | 5 | 1% | 5 | 0% | even |
| Product, program & project management | 4 | 0% | – | – | outside top 12 |
| Business development & strategy | 1 | 0% | – | – | outside top 12 |
| Research and science | – | – | 5 | 0% | outside top 12 |
| Skilled trades and field service | – | – | 5 | 0% | outside top 12 |
| Data & AI | – | – | 4 | 0% | outside top 12 |
| Unclassified | – | – | 3 | 0% | outside top 12 |
The companies behind each column
Companies using Cadence Allegro →
Companies using LTspice →
electrical pcb design ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
LTspice is named by 310 companies in job postings and Cadence Allegro by 168; 32 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/cadence-allegro-vs-ltspice)
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.
Cadence Allegro vs LTspice: questions
Which is more used, Cadence Allegro or LTspice?
By companies naming it in their own job postings, LTspice (310) over Cadence Allegro (168). By website-and-DNS footprint, LTspice (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Cadence Allegro?
36% of Cadence Allegro companies have 2 to 200 employees, against 41% for LTspice. 46% of Cadence Allegro companies have over 1,000 employees, against 36% for LTspice.
Do companies run both?
32 companies name both in their postings, usually Cadence Allegro in marketing and LTspice 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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