Apache ZooKeeper VS Azure Kubernetes Service
As of 30 October 2026, Azure Kubernetes Service is named by 1,232 companies and Apache ZooKeeper by 105; Apache ZooKeeper skews to companies under 200 people (48% vs 34%), Azure Kubernetes Service to companies over 1,000 (41% vs 31%).
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: Apache ZooKeeper's script and mail records show on hundreds of thousands of small sites, Azure Kubernetes Service rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Apache ZooKeeper: 2–200 employees
- 48%
- Azure Kubernetes Service: 2–200 employees
- 34%
- Apache ZooKeeper: 1,000+ employees
- 31%
- Azure Kubernetes Service: 1,000+ employees
- 41%
- Postings per company, 90 days
- 1.7 · 3.1
- 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 | Apache ZooKeeper | share | Azure Kubernetes Service | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 4 | 4% | 10 | 1% | Apache ZooKeeper |
| 2-10 employees | 4 | 4% | 73 | 6% | Azure Kubernetes Service |
| 11-50 employees | 24 | 23% | 135 | 11% | Apache ZooKeeper |
| 51-200 employees | 22 | 21% | 207 | 17% | Apache ZooKeeper |
| 201-500 employees | 12 | 11% | 170 | 14% | Azure Kubernetes Service |
| 501-1000 employees | 6 | 6% | 130 | 11% | Azure Kubernetes Service |
| 1001-5000 employees | 12 | 11% | 220 | 18% | Azure Kubernetes Service |
| 5001-10000 employees | 4 | 4% | 83 | 7% | Azure Kubernetes Service |
| 10,001+ employees | 17 | 16% | 204 | 17% | even |
| Segment | Apache ZooKeeper | share | Azure Kubernetes Service | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 66 | 63% | 626 | 51% | Apache ZooKeeper |
| Business & finance services | 15 | 14% | 272 | 22% | Azure Kubernetes Service |
| Commerce & trade | 6 | 6% | 26 | 2% | Apache ZooKeeper |
| Consumer services & leisure | 6 | 6% | 33 | 3% | Apache ZooKeeper |
| Manufacturing & industry | 6 | 6% | 108 | 9% | Azure Kubernetes Service |
| Media & content | 4 | 4% | 23 | 2% | even |
| Public, community & associations | 1 | 1% | 24 | 2% | even |
| Utilities & infrastructure | 1 | 1% | 28 | 2% | even |
| Health care | – | – | 23 | 2% | outside top 12 |
| Property & construction | – | – | 22 | 2% | outside top 12 |
| Transport, logistics & rental | – | – | 19 | 2% | outside top 12 |
| Automotive | – | – | 16 | 1% | outside top 12 |
| Segment | Apache ZooKeeper | share | Azure Kubernetes Service | share | Leans |
|---|---|---|---|---|---|
| United States | 83 | 79% | 694 | 56% | Apache ZooKeeper |
| Germany | 4 | 4% | 69 | 6% | even |
| India | 4 | 4% | 39 | 3% | even |
| Canada | 3 | 3% | 38 | 3% | even |
| United Kingdom | 3 | 3% | 110 | 9% | Azure Kubernetes Service |
| France | 2 | 2% | 33 | 3% | even |
| United Arab Emirates | 1 | 1% | – | – | outside top 12 |
| BD | 1 | 1% | – | – | outside top 12 |
| Finland | 1 | 1% | – | – | outside top 12 |
| Ireland | 1 | 1% | – | – | outside top 12 |
| PK | 1 | 1% | – | – | outside top 12 |
| Portugal | 1 | 1% | – | – | outside top 12 |
| Netherlands | – | – | 29 | 2% | outside top 12 |
| Australia | – | – | 25 | 2% | outside top 12 |
| Switzerland | – | – | 22 | 2% | outside top 12 |
| Sweden | – | – | 15 | 1% | outside top 12 |
| Poland | – | – | 14 | 1% | outside top 12 |
| Spain | – | – | 13 | 1% | outside top 12 |
| Segment | Apache ZooKeeper | share | Azure Kubernetes Service | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 209 | 60% | 2,436 | 52% | Apache ZooKeeper |
| Data & AI | 51 | 15% | 496 | 11% | Apache ZooKeeper |
| IT operations & business systems | 35 | 10% | 1,059 | 22% | Azure Kubernetes Service |
| Engineering (non-software) | 5 | 1% | 29 | 1% | even |
| Customer service & success | 3 | 1% | 9 | 0% | even |
| General management & consulting | 2 | 1% | 11 | 0% | even |
| Product, program & project management | 2 | 1% | 37 | 1% | even |
| Sales | 1 | 0% | 40 | 1% | even |
| Unclassified | 1 | 0% | – | – | outside top 12 |
| Legal, compliance & risk | – | – | 15 | 0% | outside top 12 |
| Construction and civil | – | – | 11 | 0% | outside top 12 |
| Finance & accounting | – | – | 5 | 0% | outside top 12 |
| Marketing & communications | – | – | 5 | 0% | outside top 12 |
The companies behind each column
Companies using Apache ZooKeeper →
Companies using Azure Kubernetes Service →
container orchestration ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Azure Kubernetes Service is named by 1,232 companies in job postings and Apache ZooKeeper by 105; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/apache-zookeeper-vs-azure-kubernetes-service)
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.
Apache ZooKeeper vs Azure Kubernetes Service: questions
Which is more used, Apache ZooKeeper or Azure Kubernetes Service?
By companies naming it in their own job postings, Azure Kubernetes Service (1,232) over Apache ZooKeeper (105). By website-and-DNS footprint, Azure Kubernetes Service (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Apache ZooKeeper?
48% of Apache ZooKeeper companies have 2 to 200 employees, against 34% for Azure Kubernetes Service. 31% of Apache ZooKeeper companies have over 1,000 employees, against 41% for Azure Kubernetes Service.
Do companies run both?
0 companies name both in their postings, usually Apache ZooKeeper in marketing and Azure Kubernetes Service 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 Apache ZooKeeper or Azure Kubernetes Service. Start free, no card.