Gmail is one of the two dominant email clients in Litmus's worldwide tracking data, with Apple and Gmail together accounting for nearly 90 percent of tracked opens in July 2026.

Format Web Page

"Gmail is one of the two dominant email clients in Litmus’s worldwide tracking data, with Apple and Gmail together accounting for nearly 90 percent of tracked opens in July 2026."

This supports the manuscript's scale point without treating tracked email-open share as identical to total mailbox-provider market share.

Source title The State of Email Client Market Share

Source authors Litmus

Source year 2026

Confidence high

Importance mid