Breaknorm
Sign inStart free

Product

SignalsPeopleCompaniesLocal businessesMCP and API

Plays

Post engagersTeam build-outChampion movedHiring surgeNewly fundedLookalikesAll plays

Data

Coverage by countryHiring dataJob changesEmail verificationCompanies by toolWho is hiringMarket mapsOutboundCompany profilesCompare
PricingDatasetsDocsSign in
Compare · mobile desktop frameworks

Core Data VS Kotlin Multiplatform

As of 30 October 2026, Kotlin Multiplatform is named by 153 companies and Core Data by 172; Core Data skews to companies under 200 people (69% vs 42%), Kotlin Multiplatform to companies over 1,000 (31% 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, Kotlin Multiplatform 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%
Kotlin Multiplatform: 2–200 employees
42%
Core Data: 1,000+ employees
12%
Kotlin Multiplatform: 1,000+ employees
31%
Postings per company, 90 days
2.2 · 2.9
Website or DNS footprint
0 · 0
172companies name Core Data
153companies name Kotlin Multiplatform
0name both
384 · 449postings in 90 days, Core Data · Kotlin Multiplatform
02Side by side

Who chooses which

Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.

By company size
SegmentCore DatashareKotlin MultiplatformshareLeans
Self-employed32%32%even
2-10 employees2213%107%Core Data
11-50 employees5532%2919%Core Data
51-200 employees4224%2617%Core Data
201-500 employees1810%2114%Kotlin Multiplatform
501-1000 employees127%1610%Kotlin Multiplatform
1001-5000 employees148%2516%Kotlin Multiplatform
5001-10000 employees42%96%Kotlin Multiplatform
10,001+ employees21%149%Kotlin Multiplatform
By industry
SegmentCore DatashareKotlin MultiplatformshareLeans
Technology & software12271%9159%Core Data
Business & finance services2012%2114%Kotlin Multiplatform
Media & content85%107%even
Consumer services & leisure74%21%Core Data
Transport, logistics & rental42%43%even
Manufacturing & industry32%96%Kotlin Multiplatform
Public, community & associations21%21%even
Health care21%21%even
Automotive11%32%even
Hospitality & travel11%––outside top 12
Property & construction11%32%even
Utilities & infrastructure11%11%even
Commerce & trade––53%outside top 12
By country
SegmentCore DatashareKotlin MultiplatformshareLeans
United States8952%6542%Core Data
India2414%53%Core Data
United Kingdom138%149%even
Canada63%53%even
United Arab Emirates32%21%even
Australia32%––outside top 12
Brazil21%43%even
Italy21%––outside top 12
Poland21%32%even
Romania21%––outside top 12
Saudi Arabia21%––outside top 12
Sweden21%32%even
Germany––1610%outside top 12
France––96%outside top 12
Japan––32%outside top 12
Lithuania––32%outside top 12
Postings by team (share of each tool's postings)
SegmentCore DatashareKotlin MultiplatformshareLeans
Software engineering63891%45284%Core Data
Data & AI91%132%even
Marketing & communications71%10%even
Unclassified30%10%even
Education & training20%––outside top 12
Engineering (non-software)20%20%even
Product, program & project management20%122%even
IT operations & business systems10%132%Kotlin Multiplatform
Customer service & success––20%outside top 12
Quality, safety & environment––10%outside top 12
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

Kotlin Multiplatform is named by 153 companies in job postings and Core Data by 172; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/apple-core-data-vs-kotlin-multiplatform)
How we know

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.
FAQ

Core Data vs Kotlin Multiplatform: questions

Which is more used, Core Data or Kotlin Multiplatform?

By companies naming it in their own job postings, Core Data (172) over Kotlin Multiplatform (153). By website-and-DNS footprint, Kotlin Multiplatform (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 42% for Kotlin Multiplatform. 12% of Core Data companies have over 1,000 employees, against 31% for Kotlin Multiplatform.

Do companies run both?

0 companies name both in their postings, usually Core Data in marketing and Kotlin Multiplatform 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.

Companies and people

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 Kotlin Multiplatform. Start free, no card.

  1. 01Sign up, no card
  2. 02Connect Claude, ChatGPT or an API key
  3. 03Ask for your market