Battery boundaries.
The default 20% cutoff ends your keep-awake session while unplugged. The companion reminder also uses 20% or below, with one alert until the Mac recharges to 25%.
For the download that needs a minute.
The idea that needs an hour.
And everything that needs a little more time.
ColdBrew Awake · Mac + iPhone version 1.0 in testing



Starts a new timed session. Does not detect when your task finishes.
Temperature safeguards stay on.
Keep your MacBook lid open.
Activity from this demo only. Nothing on your Mac is changed.
Follow Mac changes with your Mac’s appearance. For automatic night mode, choose Auto in macOS Appearance. This preview follows your browser’s appearance.
While unplugged. Applies to timed and indefinite sessions.
Quiet hours are off.
Uses local time. Preview buttons still play during quiet hours. Equal times silence automatic sounds all day.
Sounds are optional. Your system volume still applies.
iPhone companion for version 1.0 · In testing. These browser controls are a simulation.
While unplugged. One alert until recharged to 25%.
Demo only · No phone connected.
Eyes open, a session is running.
Eyes closed, ColdBrew is resting.
No guessing what your Mac was asked to do.
The demo is currently running an indefinite session.
Choose a few minutes, a few hours, or keep going until you stop. The glass stays full for an indefinite session and gradually empties with a timer.
Quick presets or your own minutes and hours.
Keep the Mac working while the screen can sleep, or keep both awake.
Stop Session, timer completion, and quitting release ColdBrew’s keep-awake request.
The default 20% cutoff ends your keep-awake session while unplugged. The companion reminder also uses 20% or below, with one alert until the Mac recharges to 25%.
ColdBrew ends its session when your Mac reports elevated thermal pressure.
No ads or analytics. Sessions work locally; optional iPhone alerts use your private iCloud database.
Original sounds, quiet hours, and an appearance that follows your day. Explore matching browser controls below.
Four original cues for Start, Stop, timer completion, and battery-safeguard stops. Choose each cue and set the volume.
Tap Preview to listen.
Explore all four soundsPick a daily silent window, such as 10 PM–8 AM. Automatic sounds stay quiet; your keep-awake session continues as usual.
Quiet hours are off.
Uses local time. Preview buttons still play during quiet hours. Equal times silence automatic sounds all day.
Keep the frosted dark look, choose Light, or follow your Mac. Automatic nighttime appearance works when macOS Appearance is set to Auto.
Try Appearance in Settings ↗Your Mac battery is at 20%. Time to plug in.
At 20% or below while unplugged. One reminder until the battery recharges to 25%, with an optional alert sound.
Open phone settings Version 1.0 preview · Release testing in progress.ColdBrew Awake is being prepared for the Mac App Store with a native iPhone companion. Both apps must finish real-device testing before release. This website previews the experience; it does not install an app or change sleep settings.
Keep the lid open. Closed-lid sessions are not supported in the current app. Manual sleep and macOS safety actions can also override a keep-awake session.
ColdBrew releases its own sleep-prevention request. Your normal macOS settings apply again, although another app may still keep the Mac awake.
The current app uses timed or indefinite sessions. It does not detect task completion. Choose a duration that works for your task, or stop the session yourself.
Yes. The Mac app has four optional cues, separate cue switches, volume, and daily quiet hours. Quiet hours silence automatic sounds without stopping your session. Sounds and quiet hours start off for new users. Preview buttons deliberately play even during quiet hours; volume zero and system mute still apply. Try the matching browser controls.
A real Mac-to-iPhone test notification has been confirmed. Release-build testing is continuing before version 1.0 becomes available for both devices. They use the same iCloud Apple Account and optional notification permission. This website only simulates alerts; no notification is sent to your phone.
Choose Follow Mac in Settings, then Auto in macOS Appearance. ColdBrew follows that system change. You can also keep Light or Dark selected. Appearance and quiet hours are independent.
Sessions, Mac preferences, and activity stay on your Mac. Optional phone alerts store a random Mac identifier, a generic label, alert timestamps, and notification settings in your private iCloud database. No ads or analytics are included. Read the privacy policy for details.

A calm corner of your menu bar.
Explore ColdBrew