No, the app is not doing any activities in the background. You can even close the app and it will reappear on wakeup time. Of course the wakeup by light in the morning will consume some battery. We recommend to plug in the charging cable overnight so you can leave the house with a fully charged device.
You may also like
No, Android has limitations for apps on external storage and highly recommends to keep alarm apps only on the internal storage. External […]
No. The night mode is optional. You can even close the app and it will reappear on wakeup time.
The alarm will not fire by default if Sony Stamina Mode is enabled. Phone settings / Battery / Three dots in the […]
Phone settings / Apps / Battery / Gentle Wakeup Background restrictions must not be applied Battery must be not optimized Phone settings / […]