Android sees open rates of 3.48 percent for push notifications, while iOS has open rates of 1.77 percent, or approximately half.

The report points out that, overall, iOS users opt in to receive notifications much less often than Android users.

Even after users shelve notifications, Android still lets them know they have unread notifications by adding a sticky icon to the top left corner of the home screen.

In terms of open speed, Leanplum says its data show the the median middle time to open for Android users is 48 minutes.

An earlier survey-based report from SessionM found significant resistance to generic notifications among consumers.

In that report, 62 percent of respondents said they never wanted to receive push notifications or wanted them less than once per month — even from their favorite brands.

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