Reminders

Reminders (macOS)

Developer(s)	Apple Inc.
Initial release	June 25, 2012 (2012-06-25) (with OS X 10.8 "Mountain Lion")
Stable release	4.0 / June 23, 2016; 12 months ago (2016-06-23)
Development status	Active
Operating system	OS X 10.8 "Mountain Lion" or later
License	Freeware
Website	www.apple.com/macos/

Reminders (iOS)

Screenshot Reminders app in iOS 8, running on an iPhone 5S
Developer(s)	Apple Inc.
Initial release	October 12, 2011 (2011-10-12) (with iOS 5)
Development status	Active
Operating system	iOS 5 and later
License	Freeware
Website	www.apple.com/ios/

Reminders is a component of iOS and macOS that allows users to set notifications for themselves and create lists. It was a new feature in iOS 5 and OS X 10.8 "Mountain Lion". It can sync data between iOS and macOS through iCloud.

The Reminders app can have multiple user-created lists of reminders. Reminders appear in the Notification Center 24 hours before the time a reminder is set for. Each reminder has a title and can be marked as completed (checked), and is automatically hidden. Additionally, each reminder can optionally have the following: