Core Data VS UIKit
As of 30 October 2026, UIKit is named by 302 companies and Core Data by 172; Core Data skews to companies under 200 people (69% vs 51%), UIKit to companies over 1,000 (23% vs 12%).
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: Core Data's script and mail records show on hundreds of thousands of small sites, UIKit rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Core Data: 2–200 employees
- 69%
- UIKit: 2–200 employees
- 51%
- Core Data: 1,000+ employees
- 12%
- UIKit: 1,000+ employees
- 23%
- Postings per company, 90 days
- 2.2 · 2.7
- 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 | Core Data | share | UIKit | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 3 | 2% | 6 | 2% | even |
| 2-10 employees | 22 | 13% | 30 | 10% | Core Data |
| 11-50 employees | 55 | 32% | 62 | 21% | Core Data |
| 51-200 employees | 42 | 24% | 62 | 21% | Core Data |
| 201-500 employees | 18 | 10% | 44 | 15% | UIKit |
| 501-1000 employees | 12 | 7% | 30 | 10% | UIKit |
| 1001-5000 employees | 14 | 8% | 39 | 13% | UIKit |
| 5001-10000 employees | 4 | 2% | 7 | 2% | even |
| 10,001+ employees | 2 | 1% | 22 | 7% | UIKit |
| Segment | Core Data | share | UIKit | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 122 | 71% | 162 | 54% | Core Data |
| Business & finance services | 20 | 12% | 56 | 19% | UIKit |
| Media & content | 8 | 5% | 27 | 9% | UIKit |
| Consumer services & leisure | 7 | 4% | 10 | 3% | even |
| Transport, logistics & rental | 4 | 2% | 7 | 2% | even |
| Manufacturing & industry | 3 | 2% | 13 | 4% | UIKit |
| Public, community & associations | 2 | 1% | 3 | 1% | even |
| Health care | 2 | 1% | 3 | 1% | even |
| Automotive | 1 | 1% | 2 | 1% | even |
| Hospitality & travel | 1 | 1% | 5 | 2% | even |
| Property & construction | 1 | 1% | 4 | 1% | even |
| Utilities & infrastructure | 1 | 1% | – | – | outside top 12 |
| Commerce & trade | – | – | 9 | 3% | outside top 12 |
| Segment | Core Data | share | UIKit | share | Leans |
|---|---|---|---|---|---|
| United States | 89 | 52% | 161 | 53% | even |
| India | 24 | 14% | 19 | 6% | Core Data |
| United Kingdom | 13 | 8% | 25 | 8% | even |
| Canada | 6 | 3% | 6 | 2% | even |
| United Arab Emirates | 3 | 2% | 5 | 2% | even |
| Australia | 3 | 2% | – | – | outside top 12 |
| Brazil | 2 | 1% | – | – | outside top 12 |
| Italy | 2 | 1% | 6 | 2% | even |
| Poland | 2 | 1% | 9 | 3% | even |
| Romania | 2 | 1% | – | – | outside top 12 |
| Saudi Arabia | 2 | 1% | – | – | outside top 12 |
| Sweden | 2 | 1% | 6 | 2% | even |
| France | – | – | 10 | 3% | outside top 12 |
| Germany | – | – | 5 | 2% | outside top 12 |
| Switzerland | – | – | 4 | 1% | outside top 12 |
| Austria | – | – | 3 | 1% | outside top 12 |
| Segment | Core Data | share | UIKit | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 638 | 91% | 1,065 | 95% | UIKit |
| Data & AI | 9 | 1% | 7 | 1% | even |
| Marketing & communications | 7 | 1% | – | – | outside top 12 |
| Unclassified | 3 | 0% | – | – | outside top 12 |
| Education & training | 2 | 0% | 1 | 0% | even |
| Engineering (non-software) | 2 | 0% | 3 | 0% | even |
| Product, program & project management | 2 | 0% | – | – | outside top 12 |
| IT operations & business systems | 1 | 0% | 1 | 0% | even |
| Design & UX | – | – | 4 | 0% | outside top 12 |
| Sales | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Core Data →
Companies using UIKit →
mobile desktop frameworks ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
UIKit is named by 302 companies in job postings and Core Data by 172; 167 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/apple-core-data-vs-uikit-apple)
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.
Core Data vs UIKit: questions
Which is more used, Core Data or UIKit?
By companies naming it in their own job postings, UIKit (302) over Core Data (172). By website-and-DNS footprint, UIKit (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Core Data?
69% of Core Data companies have 2 to 200 employees, against 51% for UIKit. 12% of Core Data companies have over 1,000 employees, against 23% for UIKit.
Do companies run both?
167 companies name both in their postings, usually Core Data in marketing and UIKit 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 Core Data or UIKit. Start free, no card.