How many companies use iCloud Mail?
As of October 2026, 905 companies show public evidence of using iCloud Mail across the 1,792,936 company domains runsonwhat tracks. That makes iCloud Mail the 15th most used of the 21 Workspace tools with confirmed customers, behind Signature 365 (996). The number is a lower bound: a company counts only when a public record, such as a DNS entry or iCloud Mail's code on its website, shows the tool in use.
Which companies use iCloud Mail?
Companies that use iCloud Mail include Weird Sciences, Private, MAC, 10x, Eleventh Hour and Eleven Ventures, according to runsonwhat's public-record scans (October 2026). The biggest industries among iCloud Mail customers are IT services (18%) and software (12%). The full list of 905 companies can be filtered by industry, company size and country on runsonwhat's iCloud Mail page.
What industries use iCloud Mail the most?
The industries with the most iCloud Mail customers are IT services (18%), software (12%) and management consulting (9.3%), based on the 514 companies with a known industry. Relative to all companies runsonwhat tracks, iCloud Mail stands out most in management consulting (2.4× the average rate) and software (2.0× the average rate).
Is iCloud Mail more popular with startups or large companies?
iCloud Mail is used mostly by small companies: of the 628 companies with a known size, 78% have up to 50 employees, 20% have 51 to 1,000 and 2.1% have more than 1,000. Compared with all companies runsonwhat tracks, iCloud Mail is 2.4× as common among companies with 1–10 employees.
Which countries use iCloud Mail the most?
Most iCloud Mail customers runsonwhat has found are based in the United States (42%), India (8.1%) and Brazil (8.0%), out of 540 companies with a known country. Outside the United States, the biggest markets are India and Brazil.
Is iCloud Mail gaining or losing customers?
In the 90 days to October 2026, 77 companies started using iCloud Mail and 0 companies stopped, a net gain of 77. runsonwhat counts a start or a stop only between two checks of the same company done the same way, so a change in how a site is scanned never shows up as churn.
What are the most popular alternatives to iCloud Mail?
By the number of companies using them, the most used Workspace tools other than iCloud Mail are Microsoft 365 (694,640), Google Workspace (393,454), Apple Business (109,494) and Exclaimer (34,572), according to runsonwhat (October 2026). Not every tool in a category does the same job, so check each one's page; runsonwhat ranks all Workspace tools at https://www.runsonwhat.com/tools/email-workspace.
What other tools do iCloud Mail customers use?
iCloud Mail customers use Resend, Namecheap and Vercel far more often than the average company. For example, 6.3% of iCloud Mail customers also run Resend, 2.8× the rate among all companies runsonwhat tracks, and 3.6% run Namecheap.
How does runsonwhat know a company uses iCloud Mail?
runsonwhat reads public records only. For iCloud Mail, that means a domain-verification record for iCloud Mail in the company's DNS, email records (SPF, MX or DKIM) that authorize iCloud Mail, a subdomain that points at iCloud Mail or iCloud Mail on the company's own subprocessor list. A company is listed only when one of these direct records is present, and each match keeps the record it came from. DNS is rechecked weekly and websites about monthly.