Tools for setting audible alarms before events

The problem, in plain words: “I need an app that schedules events and triggers an audible alarm (not just a notification) a set time before the event starts.”

KeyAlarm fits best, with 2 more that fit too.

You want to schedule events and hear an audible alarm a configurable amount of time before each one.

Updated October 2026.

What fits

1/2 calendar alarm app

KeyAlarmstrong · 94

It turns matching calendar events into audible alarms, with configurable lead time and support for multiple alarms per event.

Best for: iPhone users who want calendar events to trigger advance alarms.

Caveat: Requires iOS 26 or later.

Same approach: Cannot Ignore - Super Alarms 85

2/2 reminder alarm app

Reminder, Reminders with Voicestrong · 78

It offers configurable pre-alarms, custom sounds, one-time reminders, and a calendar view, so you can set an audible reminder ahead of an event.

Best for: People who want customizable advance alarms for scheduled reminders.

Caveat: The free version allows up to three reminders; unlimited reminders require a one-time in-app purchase.

Partly fits

Future Date Alarm Notificationpartial · 54

It sounds an alarm for a future date, which fits the audible-alert need.

Won’t cover: It describes alarms for future dates, but not scheduling events with a configurable advance alarm.

Alarm Clock – Reminder by Datepartial · 52

It offers alarms tied to exact dates, rather than only recurring clock times.

Won’t cover: It focuses on alarms for exact dates, without stating that alarms can be set a chosen interval before events.

DateAlarm - Reminder Alarmpartial · 49

It sets alarms for future dates and supports repeat options.

Won’t cover: It is presented as a date reminder and countdown app, rather than an event scheduler with configurable advance alarms.

Questions

What's the best tool for setting audible alarms before events?

KeyAlarm is the strongest match — It turns matching calendar events into audible alarms, with configurable lead time and support for multiple alarms per event. One caveat: requires iOS 26 or later.

Is there a tool that fully solves this?

3 products match this closely.

What won't these tools cover?

It describes alarms for future dates, but not scheduling events with a configurable advance alarm. · It focuses on alarms for exact dates, without stating that alarms can be set a chosen interval before events. · It is presented as a date reminder and countdown app, rather than an event scheduler with configurable advance alarms.

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