Azure Functions VS Heroku
As of 30 October 2026, Heroku is named by 148 companies and Azure Functions by 985; Azure Functions skews to companies under 200 people (34% vs 66%), Heroku to companies over 1,000 (16% vs 40%).
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: Azure Functions's script and mail records show on hundreds of thousands of small sites, Heroku rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Azure Functions: 2–200 employees
- 34%
- Heroku: 2–200 employees
- 66%
- Azure Functions: 1,000+ employees
- 40%
- Heroku: 1,000+ employees
- 16%
- Postings per company, 90 days
- 2.9 · 2.0
- Website or DNS footprint
- 0 · 8,751
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Azure Functions | share | Heroku | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 5 | 1% | 1 | 1% | even |
| 2-10 employees | 47 | 5% | 21 | 14% | Heroku |
| 11-50 employees | 116 | 12% | 38 | 26% | Heroku |
| 51-200 employees | 170 | 17% | 39 | 26% | Heroku |
| 201-500 employees | 150 | 15% | 17 | 11% | Azure Functions |
| 501-1000 employees | 100 | 10% | 8 | 5% | Azure Functions |
| 1001-5000 employees | 166 | 17% | 15 | 10% | Azure Functions |
| 5001-10000 employees | 58 | 6% | 5 | 3% | Azure Functions |
| 10,001+ employees | 173 | 18% | 4 | 3% | Azure Functions |
| Segment | Azure Functions | share | Heroku | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 447 | 45% | 96 | 65% | Heroku |
| Business & finance services | 219 | 22% | 20 | 14% | Azure Functions |
| Manufacturing & industry | 96 | 10% | 4 | 3% | Azure Functions |
| Utilities & infrastructure | 31 | 3% | 1 | 1% | Azure Functions |
| Property & construction | 29 | 3% | 1 | 1% | Azure Functions |
| Commerce & trade | 28 | 3% | 3 | 2% | even |
| Health care | 27 | 3% | 1 | 1% | Azure Functions |
| Public, community & associations | 25 | 3% | 3 | 2% | even |
| Consumer services & leisure | 24 | 2% | 10 | 7% | Heroku |
| Media & content | 20 | 2% | 6 | 4% | Heroku |
| Transport, logistics & rental | 20 | 2% | 2 | 1% | even |
| Automotive | 9 | 1% | 1 | 1% | even |
| Segment | Azure Functions | share | Heroku | share | Leans |
|---|---|---|---|---|---|
| United States | 540 | 55% | 83 | 56% | even |
| United Kingdom | 91 | 9% | 13 | 9% | even |
| Germany | 52 | 5% | 8 | 5% | even |
| Canada | 37 | 4% | 5 | 3% | even |
| India | 33 | 3% | 13 | 9% | Heroku |
| Netherlands | 29 | 3% | 3 | 2% | even |
| Australia | 27 | 3% | 1 | 1% | Azure Functions |
| France | 24 | 2% | 7 | 5% | Heroku |
| Sweden | 19 | 2% | – | – | outside top 12 |
| Belgium | 17 | 2% | 1 | 1% | even |
| Finland | 9 | 1% | – | – | outside top 12 |
| Norway | 8 | 1% | – | – | outside top 12 |
| Brazil | – | – | 2 | 1% | outside top 12 |
| PH | – | – | 2 | 1% | outside top 12 |
| Czechia | – | – | 1 | 1% | outside top 12 |
| Segment | Azure Functions | share | Heroku | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 1,936 | 52% | 358 | 73% | Heroku |
| Data & AI | 626 | 17% | 9 | 2% | Azure Functions |
| IT operations & business systems | 589 | 16% | 33 | 7% | Azure Functions |
| Engineering (non-software) | 84 | 2% | 1 | 0% | Azure Functions |
| Product, program & project management | 16 | 0% | 12 | 2% | Heroku |
| General management & consulting | 14 | 0% | – | – | outside top 12 |
| Sales | 11 | 0% | 17 | 3% | Heroku |
| Finance & accounting | 6 | 0% | 1 | 0% | even |
| Customer service & success | 5 | 0% | 4 | 1% | even |
| Marketing & communications | 4 | 0% | 4 | 1% | even |
| Construction and civil | 3 | 0% | – | – | outside top 12 |
| Hospitality and food service | 3 | 0% | – | – | outside top 12 |
| Education & training | – | – | 5 | 1% | outside top 12 |
| Unclassified | – | – | 2 | 0% | outside top 12 |
The companies behind each column
Companies using Azure Functions →
Companies using Heroku →
paas serverless ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Heroku is named by 148 companies in job postings and Azure Functions by 985; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/azure-functions-vs-heroku)
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.
Azure Functions vs Heroku: questions
Which is more used, Azure Functions or Heroku?
By companies naming it in their own job postings, Azure Functions (985) over Heroku (148). By website-and-DNS footprint, Heroku (8,751 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Azure Functions?
34% of Azure Functions companies have 2 to 200 employees, against 66% for Heroku. 40% of Azure Functions companies have over 1,000 employees, against 16% for Heroku.
Do companies run both?
0 companies name both in their postings, usually Azure Functions in marketing and Heroku 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.
Get either list your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
Every company on either tool,
with the person who owns it
Filter on Azure Functions or Heroku. Start free, no card.