Apache Cassandra VS Cloud Firestore
As of 4 November 2026, Cloud Firestore is named by 236 companies and Apache Cassandra by 1,007; Apache Cassandra skews to companies under 200 people (44% vs 62%), Cloud Firestore to companies over 1,000 (17% vs 33%).
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: Apache Cassandra's script and mail records show on hundreds of thousands of small sites, Cloud Firestore rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Apache Cassandra: 2–200 employees
- 44%
- Cloud Firestore: 2–200 employees
- 62%
- Apache Cassandra: 1,000+ employees
- 33%
- Cloud Firestore: 1,000+ employees
- 17%
- Postings per company, 90 days
- 3.7 · 1.6
- 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 Cassandra | share | Cloud Firestore | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 26 | 3% | 13 | 6% | Cloud Firestore |
| 2-10 employees | 74 | 7% | 28 | 12% | Cloud Firestore |
| 11-50 employees | 150 | 15% | 70 | 30% | Cloud Firestore |
| 51-200 employees | 223 | 22% | 49 | 21% | even |
| 201-500 employees | 111 | 11% | 24 | 10% | even |
| 501-1000 employees | 93 | 9% | 13 | 6% | Apache Cassandra |
| 1001-5000 employees | 134 | 13% | 18 | 8% | Apache Cassandra |
| 5001-10000 employees | 47 | 5% | 7 | 3% | even |
| 10,001+ employees | 149 | 15% | 14 | 6% | Apache Cassandra |
| Segment | Apache Cassandra | share | Cloud Firestore | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 590 | 59% | 137 | 58% | even |
| Business & finance services | 196 | 19% | 37 | 16% | Apache Cassandra |
| Manufacturing & industry | 55 | 5% | 12 | 5% | even |
| Media & content | 36 | 4% | 12 | 5% | even |
| Utilities & infrastructure | 30 | 3% | 4 | 2% | even |
| Commerce & trade | 27 | 3% | 6 | 3% | even |
| Consumer services & leisure | 26 | 3% | 7 | 3% | even |
| Public, community & associations | 11 | 1% | 6 | 3% | even |
| Transport, logistics & rental | 11 | 1% | 5 | 2% | even |
| Hospitality & travel | 10 | 1% | – | – | outside top 12 |
| Automotive | 6 | 1% | 2 | 1% | even |
| Health care | 6 | 1% | 2 | 1% | even |
| Property & construction | – | – | 4 | 2% | outside top 12 |
| Segment | Apache Cassandra | share | Cloud Firestore | share | Leans |
|---|---|---|---|---|---|
| United States | 644 | 64% | 114 | 48% | Apache Cassandra |
| United Kingdom | 54 | 5% | 12 | 5% | even |
| India | 53 | 5% | 28 | 12% | Cloud Firestore |
| France | 26 | 3% | – | – | outside top 12 |
| Germany | 23 | 2% | 16 | 7% | Cloud Firestore |
| Canada | 14 | 1% | – | – | outside top 12 |
| Singapore | 14 | 1% | 4 | 2% | even |
| Spain | 12 | 1% | 4 | 2% | even |
| Italy | 12 | 1% | – | – | outside top 12 |
| Australia | 11 | 1% | 4 | 2% | even |
| Brazil | 11 | 1% | 5 | 2% | even |
| Portugal | 10 | 1% | – | – | outside top 12 |
| Japan | – | – | 8 | 3% | outside top 12 |
| United Arab Emirates | – | – | 5 | 2% | outside top 12 |
| Netherlands | – | – | 4 | 2% | outside top 12 |
| Türkiye | – | – | 4 | 2% | outside top 12 |
| Segment | Apache Cassandra | share | Cloud Firestore | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 3,201 | 58% | 353 | 63% | Cloud Firestore |
| Data & AI | 1,000 | 18% | 99 | 18% | even |
| IT operations & business systems | 557 | 10% | 24 | 4% | Apache Cassandra |
| Engineering (non-software) | 57 | 1% | 4 | 1% | even |
| Finance & accounting | 36 | 1% | – | – | outside top 12 |
| Sales | 35 | 1% | 4 | 1% | even |
| Product, program & project management | 25 | 0% | 2 | 0% | even |
| Legal, compliance & risk | 17 | 0% | – | – | outside top 12 |
| Customer service & success | 13 | 0% | 1 | 0% | even |
| Public safety and protective services | 12 | 0% | – | – | outside top 12 |
| Unclassified | 11 | 0% | – | – | outside top 12 |
| Quality, safety & environment | 8 | 0% | 1 | 0% | even |
| General management & consulting | 5 | 0% | 1 | 0% | even |
| Logistics warehouse and transport | 4 | 0% | – | – | outside top 12 |
| Human resources | 3 | 0% | – | – | outside top 12 |
| Marketing & communications | 3 | 0% | 4 | 1% | even |
| Construction and civil | 2 | 0% | – | – | outside top 12 |
| Education & training | 2 | 0% | – | – | outside top 12 |
| Administration & office | 1 | 0% | – | – | outside top 12 |
| Business development & strategy | – | – | 1 | 0% | outside top 12 |
| Design & UX | – | – | 1 | 0% | outside top 12 |
| Hospitality and food service | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Apache Cassandra →
Companies using Cloud Firestore →
nosql document wide column ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Cloud Firestore is named by 236 companies in job postings and Apache Cassandra by 1,007; 0 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/apache-cassandra-vs-firestore)
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 Cassandra vs Cloud Firestore: questions
Which is more used, Apache Cassandra or Cloud Firestore?
By companies naming it in their own job postings, Apache Cassandra (1,007) over Cloud Firestore (236). By website-and-DNS footprint, Cloud Firestore (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Apache Cassandra?
44% of Apache Cassandra companies have 2 to 200 employees, against 62% for Cloud Firestore. 33% of Apache Cassandra companies have over 1,000 employees, against 17% for Cloud Firestore.
Do companies run both?
0 companies name both in their postings, usually Apache Cassandra in marketing and Cloud Firestore 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 Cassandra or Cloud Firestore. Start free, no card.