Dr. Alarm-schedule manager

Dr. Alarm-schedule Manager is a versatile alarm scheduler designed for shift work and everyday reminders. It supports repeating alarms on N days, weeks, months, or years; date-specific alerts; shift cycles; workdays; and holidays, plus up to 20 customizable ringtones.

Additional features include water and medication reminders, iOS voice customization (iOS 13+), dark/light mode, the ability to skip alarms, and an alarm that can ring even when the phone is muted. The Pro edition uses an auto-renewable subscription, with renewal managed through the App Store; privacy policy and protocol information are available online.