Apple has acquired the personal social networking assistant startup Cue for about $40m (£25m).
Apple said it would integrate Cue’s email and social network in the company’s iOS 7 operating system’s to provide information about upcoming plans for users.
A message on the official Cue website said users who registered through the website will receive a prorated refund.
"Cue Premium users registered though the iPhone App can request a refund through iTunes," the message read.
"In accordance with our privacy policy, your data and personal information will not be stored or transferred; it has been permanently deleted."
Cue gathers information from emails, contacts and calendars to create a list of the user’s upcoming events.
The move is expected to strengthen Apple’s position against Google’s Now service.
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Cue, formerly known as Greplin, was founded by Daniel Grossalong with Robbie Walker which was later integrated with Cue last year.
