IBM Rhapsody VS UML
As of 30 October 2026, UML is named by 614 companies and IBM Rhapsody by 155; IBM Rhapsody skews to companies under 200 people (39% vs 44%), UML to companies over 1,000 (32% vs 39%).
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: IBM Rhapsody's script and mail records show on hundreds of thousands of small sites, UML rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- IBM Rhapsody: 2–200 employees
- 39%
- UML: 2–200 employees
- 44%
- IBM Rhapsody: 1,000+ employees
- 39%
- UML: 1,000+ employees
- 32%
- Postings per company, 90 days
- 5.1 · 4.2
- 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 | IBM Rhapsody | share | UML | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 1% | 8 | 1% | even |
| 2-10 employees | 3 | 2% | 36 | 6% | UML |
| 11-50 employees | 21 | 14% | 114 | 19% | UML |
| 51-200 employees | 36 | 23% | 119 | 19% | IBM Rhapsody |
| 201-500 employees | 25 | 16% | 80 | 13% | IBM Rhapsody |
| 501-1000 employees | 7 | 5% | 59 | 10% | UML |
| 1001-5000 employees | 30 | 19% | 91 | 15% | IBM Rhapsody |
| 5001-10000 employees | 8 | 5% | 22 | 4% | even |
| 10,001+ employees | 23 | 15% | 85 | 14% | even |
| Segment | IBM Rhapsody | share | UML | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 60 | 39% | 290 | 47% | UML |
| Manufacturing & industry | 45 | 29% | 111 | 18% | IBM Rhapsody |
| Business & finance services | 17 | 11% | 117 | 19% | UML |
| Health care | 14 | 9% | 6 | 1% | IBM Rhapsody |
| Automotive | 7 | 5% | 10 | 2% | IBM Rhapsody |
| Public, community & associations | 5 | 3% | 17 | 3% | even |
| Transport, logistics & rental | 3 | 2% | 10 | 2% | even |
| Commerce & trade | 1 | 1% | 8 | 1% | even |
| Consumer services & leisure | 1 | 1% | 12 | 2% | even |
| Media & content | 1 | 1% | 7 | 1% | even |
| Utilities & infrastructure | 1 | 1% | 12 | 2% | even |
| Property & construction | – | – | 12 | 2% | outside top 12 |
| Segment | IBM Rhapsody | share | UML | share | Leans |
|---|---|---|---|---|---|
| United States | 117 | 75% | 228 | 37% | IBM Rhapsody |
| Germany | 12 | 8% | 80 | 13% | UML |
| United Kingdom | 7 | 5% | 39 | 6% | even |
| Austria | 3 | 2% | – | – | outside top 12 |
| Australia | 3 | 2% | – | – | outside top 12 |
| Canada | 3 | 2% | 24 | 4% | even |
| France | 2 | 1% | 56 | 9% | UML |
| BD | 1 | 1% | – | – | outside top 12 |
| Czechia | 1 | 1% | 11 | 2% | even |
| Spain | 1 | 1% | 8 | 1% | even |
| India | 1 | 1% | 10 | 2% | even |
| Netherlands | 1 | 1% | 20 | 3% | UML |
| Poland | – | – | 24 | 4% | outside top 12 |
| Belgium | – | – | 17 | 3% | outside top 12 |
| Switzerland | – | – | 8 | 1% | outside top 12 |
| Segment | IBM Rhapsody | share | UML | share | Leans |
|---|---|---|---|---|---|
| Engineering (non-software) | 652 | 62% | 296 | 8% | IBM Rhapsody |
| Software engineering | 183 | 17% | 2,189 | 60% | UML |
| IT operations & business systems | 45 | 4% | 664 | 18% | UML |
| Product, program & project management | 16 | 2% | 34 | 1% | even |
| Data & AI | 11 | 1% | 91 | 2% | even |
| Quality, safety & environment | 7 | 1% | 10 | 0% | even |
| Sales | 5 | 0% | 9 | 0% | even |
| Research and science | 3 | 0% | 3 | 0% | even |
| Business development & strategy | 2 | 0% | – | – | outside top 12 |
| Customer service & success | 2 | 0% | – | – | outside top 12 |
| Hospitality and food service | 2 | 0% | – | – | outside top 12 |
| General management & consulting | 1 | 0% | 15 | 0% | even |
| Arts media and entertainment | – | – | 5 | 0% | outside top 12 |
| Construction and civil | – | – | 5 | 0% | outside top 12 |
| Education & training | – | – | 3 | 0% | outside top 12 |
The companies behind each column
Companies using IBM Rhapsody →
Companies using UML →
requirements mbse ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
UML is named by 614 companies in job postings and IBM Rhapsody by 155; 53 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/ibm-rhapsody-vs-uml)
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.
IBM Rhapsody vs UML: questions
Which is more used, IBM Rhapsody or UML?
By companies naming it in their own job postings, UML (614) over IBM Rhapsody (155). By website-and-DNS footprint, UML (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses IBM Rhapsody?
39% of IBM Rhapsody companies have 2 to 200 employees, against 44% for UML. 39% of IBM Rhapsody companies have over 1,000 employees, against 32% for UML.
Do companies run both?
53 companies name both in their postings, usually IBM Rhapsody in marketing and UML 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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