A notification icon will appear when the display timeout is set to always on for an unlimited time.
Free, simple, no ads.
No permissions required for display always on feature.
Attention: The app will keep your device's display continuously active as long as it is enabled and still running in the background.
A continuous enabled display may drain your battery faster. It may cause burn in problems with certain display types (e.g. old AMOLED screens) when no content changes occur, so use at own risk.
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