A little sound.
A timely nudge.
Soft cues for your Mac. Quiet hours for your nights.
Always your choice.
Small, useful moments.
The same four original sounds bundled with the Mac app. Tap to listen. These controls change this browser preview only.
Quiet hours are off.
Uses local time. Preview buttons still play during quiet hours. Equal times silence automatic sounds all day.
Tap any Preview button to hear a sound.
A little clink.
A little less checking.
Keep everyday sounds off for a quiet workspace, or switch them on for a little feedback. Your Mac’s volume still sets the limit.
Try sounds with Start / StopYour Mac needs
a little energy.
The ColdBrew iPhone companion can receive a reminder at 20% or below while your Mac is unplugged. Your Mac must be awake, online, and running ColdBrew. This page simulates the experience; install the native apps for real alerts.
Browser preview · No phone connectedTurn on the simulation to try a low-battery alert.
The alert starts at 20% or below while unplugged. No repeated alerts until the battery reaches 25% or higher.
Settings
Ready again after recharging to 25%. Your iPhone’s sound and Focus settings apply.
Browser preview · No phone connected
COLDBREWnowYour Mac battery is at 20%. Time to plug in.
Mac battery 55%On batteryOne private connection.
Your Mac must be awake, online, and running ColdBrew to detect and send the low-battery event. A keep-awake session does not need to be active.
Use the same Apple Account for iCloud on both devices. ColdBrew uses CloudKit and Apple notifications; there is no separate ColdBrew account.
A ColdBrew companion app and notification permission. Delivery follows your notification and Focus settings.
Mac version 1.1 works with the existing iPhone companion. This browser alert is a simulation: no device is connected and no notification is sent. Phone quiet hours silence alert sounds; an active Mac quiet window also silences alerts sent then. Apple notification delivery can be delayed or missed.