Litmus: Email Client Market Share in December 2021: Is MPP Adoption Slowing Down?

Litmus just published a brilliant blogpost:

New year, same us—we’re back! It’s time for our monthly recap of email client market share where we look back at what shifts took place for the previous. What happened in December 2021? Let’s take a closer look. Top email clients Before we begin, we’d like to recall that a few months ago, we introduced a new grouping for Apple clients that nests Apple iPhone (iOS Mail), Apple Mail (macOS Mail), Apple iPad (iPadOS Mail), and Apple Mail Privacy Protection (MPP-impacted opens) under the category “Apple”. To learn why, check out this blog post. And—as we always like to note—there are two things we’d like to point out: 1) MPP hides device data so we can’t differentiate between iOS, iPadOS, or macOS, and 2) the new OSes also don’t differentiate between MPP and non-MPP in the user agent data it passes. That said, the top 3 email clients for December…

Read the original here: Email Client Market Share in December 2021: Is MPP Adoption Slowing Down?