The lock screen: what's possible today
In short
On iPhone, apps use Live Activities to show live content on the lock screen for up to eight hours at a time. Android lets apps change the lock screen image themselves.
All articles
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FAQ
Can apps show ads on the lock screen?
Apple's guidelines do not allow ads in widgets or Live Activities.
Which iPhones support Live Activities?
iPhones with iOS 16.1 or later. The Dynamic Island view needs an iPhone with a Dynamic Island.