Battery boundaries.
Closed-lid sessions stop at 20% battery, or your higher cutoff, while unplugged. Optional iPhone reminders also start at 20%.
For the download that needs a minute.
The idea that needs an hour.
And everything that needs a little more time.
New in 1.1. Close the lid. Keep going. Turn on “Keep awake with lid closed” before you start.
Setup & compatibility
Mac version 1.1 · Optional iPhone companion



Starts a new timed session. Does not detect when your task finishes.
Browser demo · No system changes.
Closed-lid setup for version 1.1 ↗
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 demo. These browser controls are a simulation and do not connect to your devices.
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 your Mac working while the display sleeps, or keep both awake. Closed-lid sessions are an optional setting in version 1.1.
Stop Session, timer completion, and quitting release ColdBrew’s keep-awake request.
Closed-lid sessions stop at 20% battery, or your higher cutoff, while unplugged. Optional iPhone reminders also start at 20%.
ColdBrew ends its session when your Mac reports serious or critical 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 Requires the native apps, the same iCloud Apple Account, and notification permission. Your Mac must be awake, online, and running ColdBrew.Find ColdBrew Awake on the US App Store for Mac and iPhone. Update the Mac app to version 1.1 for closed-lid sessions. Updates may take time to appear after release. This website includes interactive browser demos; they do not install the app or change sleep settings.
Yes—version 1.1 adds optional closed-lid sessions. Turn on “Keep awake with lid closed” before starting; the option starts off each time you launch ColdBrew. Compatibility varies by Mac model and macOS version. Use a hard, ventilated surface and stop the session before putting your laptop in a bag. Setup and limits ↗
ColdBrew releases its keep-awake request and restores normal lid behavior. If recovery needs attention, it shows a message with a retry control. Other apps may still keep your Mac awake. Recovery help ↗
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.
Yes, with the optional ColdBrew iPhone companion. Install both native apps, use the same Apple Account for iCloud, allow notifications, and save your alert settings. Your Mac must be awake, online, and running ColdBrew. Alerts trigger at 20% or below while unplugged, once until the battery recharges to 25%. Delivery can be delayed or missed. This website only simulates alerts.
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.

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