Must-Ring: Calendar Alarm
Appointment & Task Reminders
About
Transform calendar events and future dates into system alarms that ring even on Silent or Focus modes. Set one-time alarms for appointments or tasks, with options for early reminders and customizable snooze durations. Unlock advanced features like unlimited alarms and recurring options with a one-time purchase.
What's New in Must
1.1.0
October 5, 2026
User experience improvements.
Subscriptions & In-App Purchases
$9.99
Must-Ring Pro
Unlimited alarms, calendar insights & more
Developer apps
FAQ
How does Must-Ring turn calendar events into alarms?
Must-Ring allows you to select an event from your Apple Calendar and create a separate system alarm for it. You can also set an optional early heads-up before the event begins.
Can Must-Ring alarms ring when my iPhone is on Silent or Focus mode?
Yes, Must-Ring is designed to ring through Silent and Focus modes, ensuring you don't miss important alerts.
What are the limitations of the free version of Must-Ring?
The free version of Must-Ring allows you to keep up to two active alarms at a time. You can create manual or calendar-based one-time alarms and add a 5 or 10-minute early heads-up.
What features are included in Must-Ring Pro?
Must-Ring Pro, a one-time purchase, offers unlimited active alarms, recurring alarm options (daily, weekdays, weekly), custom early heads-up timing, and customizable snooze durations.
Does Must-Ring have ads?
Must-Ring does not contain advertisements. The app offers a free tier with limitations and an optional one-time purchase for advanced features.
Is Must-Ring suitable for medical or emergency alerts?
No, Must-Ring is not intended for medical, emergency, or safety-critical alerting. Its functionality relies on standard iOS alarm behavior and permissions.
How often is Must-Ring updated?
The latest version of Must-Ring is 1.1.0, last updated on October 5, 2026. Updates typically address bug fixes and feature enhancements.
What devices does Must-Ring support?
Must-Ring currently supports iPhone devices and requires iOS 13 or later. It utilizes Apple's AlarmKit for its alarm functionality.
