PagerDuty VS Prometheus Alertmanager
As of 4 November 2026, Prometheus Alertmanager is named by 107 companies and PagerDuty by 395; PagerDuty skews to companies under 200 people (35% vs 36%), Prometheus Alertmanager to companies over 1,000 (25% vs 36%).
As of 4 November 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: PagerDuty's script and mail records show on hundreds of thousands of small sites, Prometheus Alertmanager rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- PagerDuty: 2–200 employees
- 35%
- Prometheus Alertmanager: 2–200 employees
- 36%
- PagerDuty: 1,000+ employees
- 36%
- Prometheus Alertmanager: 1,000+ employees
- 25%
- Postings per company, 90 days
- 2.4 · 1.7
- Website or DNS footprint
- 149 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | PagerDuty | share | Prometheus Alertmanager | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 14 | 4% | 4 | 4% | even |
| 2-10 employees | 23 | 6% | 5 | 5% | even |
| 11-50 employees | 38 | 10% | 15 | 14% | Prometheus Alertmanager |
| 51-200 employees | 77 | 19% | 19 | 18% | even |
| 201-500 employees | 52 | 13% | 20 | 19% | Prometheus Alertmanager |
| 501-1000 employees | 49 | 12% | 17 | 16% | Prometheus Alertmanager |
| 1001-5000 employees | 86 | 22% | 14 | 13% | PagerDuty |
| 5001-10000 employees | 16 | 4% | 8 | 7% | Prometheus Alertmanager |
| 10,001+ employees | 40 | 10% | 5 | 5% | PagerDuty |
| Segment | PagerDuty | share | Prometheus Alertmanager | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 216 | 55% | 57 | 53% | even |
| Business & finance services | 81 | 21% | 24 | 22% | even |
| Media & content | 27 | 7% | 3 | 3% | PagerDuty |
| Manufacturing & industry | 18 | 5% | 4 | 4% | even |
| Commerce & trade | 16 | 4% | 1 | 1% | PagerDuty |
| Utilities & infrastructure | 9 | 2% | 3 | 3% | even |
| Consumer services & leisure | 6 | 2% | 4 | 4% | Prometheus Alertmanager |
| Hospitality & travel | 6 | 2% | 4 | 4% | Prometheus Alertmanager |
| Transport, logistics & rental | 5 | 1% | – | – | outside top 12 |
| Automotive | 4 | 1% | – | – | outside top 12 |
| Health care | 4 | 1% | 1 | 1% | even |
| Public, community & associations | 2 | 1% | 4 | 4% | Prometheus Alertmanager |
| Property & construction | – | – | 2 | 2% | outside top 12 |
| Segment | PagerDuty | share | Prometheus Alertmanager | share | Leans |
|---|---|---|---|---|---|
| United States | 283 | 72% | 58 | 54% | PagerDuty |
| United Kingdom | 32 | 8% | 8 | 7% | even |
| Canada | 9 | 2% | – | – | outside top 12 |
| India | 9 | 2% | 2 | 2% | even |
| Japan | 7 | 2% | – | – | outside top 12 |
| Singapore | 7 | 2% | – | – | outside top 12 |
| Australia | 6 | 2% | 2 | 2% | even |
| France | 6 | 2% | 6 | 6% | Prometheus Alertmanager |
| Germany | 5 | 1% | 5 | 5% | Prometheus Alertmanager |
| Switzerland | 2 | 1% | 1 | 1% | even |
| Poland | 2 | 1% | 2 | 2% | even |
| United Arab Emirates | 1 | 0% | – | – | outside top 12 |
| Brazil | – | – | 4 | 4% | outside top 12 |
| Austria | – | – | 2 | 2% | outside top 12 |
| Spain | – | – | 2 | 2% | outside top 12 |
| Belgium | – | – | 1 | 1% | outside top 12 |
| Segment | PagerDuty | share | Prometheus Alertmanager | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 567 | 47% | 155 | 63% | Prometheus Alertmanager |
| IT operations & business systems | 172 | 14% | 36 | 15% | even |
| Sales | 60 | 5% | – | – | outside top 12 |
| Engineering (non-software) | 51 | 4% | 7 | 3% | even |
| Data & AI | 47 | 4% | 3 | 1% | PagerDuty |
| Customer service & success | 39 | 3% | 1 | 0% | PagerDuty |
| Product, program & project management | 13 | 1% | – | – | outside top 12 |
| Marketing & communications | 7 | 1% | – | – | outside top 12 |
| General management & consulting | 6 | 1% | – | – | outside top 12 |
| Procurement and purchasing | 5 | 0% | – | – | outside top 12 |
| Unclassified | 5 | 0% | – | – | outside top 12 |
| Business development & strategy | 4 | 0% | – | – | outside top 12 |
| Legal, compliance & risk | 4 | 0% | – | – | outside top 12 |
| Facilities cleaning and security | 3 | 0% | – | – | outside top 12 |
| Human resources | 3 | 0% | – | – | outside top 12 |
| Quality, safety & environment | 3 | 0% | – | – | outside top 12 |
| Skilled trades and field service | 3 | 0% | – | – | outside top 12 |
| Public safety and protective services | 2 | 0% | – | – | outside top 12 |
| Agriculture and environment | 1 | 0% | – | – | outside top 12 |
| Design & UX | 1 | 0% | – | – | outside top 12 |
The companies behind each column
Companies using PagerDuty →
Companies using Prometheus Alertmanager →
incident on call ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Prometheus Alertmanager is named by 107 companies in job postings and PagerDuty by 395; 0 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/pagerduty-vs-prometheus-alertmanager)
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.
PagerDuty vs Prometheus Alertmanager: questions
Which is more used, PagerDuty or Prometheus Alertmanager?
By companies naming it in their own job postings, PagerDuty (395) over Prometheus Alertmanager (107). By website-and-DNS footprint, PagerDuty (149 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses PagerDuty?
35% of PagerDuty companies have 2 to 200 employees, against 36% for Prometheus Alertmanager. 36% of PagerDuty companies have over 1,000 employees, against 25% for Prometheus Alertmanager.
Do companies run both?
0 companies name both in their postings, usually PagerDuty in marketing and Prometheus Alertmanager 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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