Power Log

Track Your Mac's Complete Power History

View boot, shutdown, sleep and wake events with precise timestamps. Monitor uptime statistics in a beautiful timeline interface.

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macOS 12.0+

Powerful Features

Everything you need to monitor your Mac's power events

Complete History

Access weeks of boot, shutdown, sleep and wake events from system logs.

Precise Timestamps

Microsecond-accurate timestamps extracted from system.log for exact event times.

Uptime Statistics

See how long your Mac has been running between each boot and shutdown cycle.

Timeline View

Beautiful chronological timeline with date grouping for easy navigation.

Sleep Sessions

Track sleep/wake cycles including DarkWake heartbeat events for background maintenance.

Native macOS App

Built with SwiftUI for a fast, lightweight, and beautiful native experience.

Use Cases

See how Power Log helps in real life

Parental Monitoring

Popular

Monitor when your kids use the computer. See exact boot and shutdown times to ensure healthy screen time habits.

Work Productivity

Track your daily computer usage for productivity analysis or time billing.

System Diagnostics

Diagnose unexpected shutdowns or sleep issues with detailed event logs.

Energy Management

Understand sleep patterns and background wake events to extend battery life.

See It In Action

Clean, intuitive interface designed for macOS

Power Events
Updated at 20:31:22
2025-12-29 Monday
Boot
System startup
09:09:17
2025-12-28 Sunday
Shutdown
User shutdown
18:01:12
Restart8h 43m 17s
System restart
09:17:40
09:17:54
Boot1m 57s
System startup
09:15:57
2025-12-26 Friday
Shutdown
User shutdown
17:28:22
Boot8h 9m 39s
System startup
09:18:43

Download Power Log

Track your Mac's power events with precision

Download for macOS

Version 1.0.0

Requirements

  • macOS 12.0 (Monterey) or later
  • Apple Silicon or Intel Mac
  • About 5MB disk space

Installation Guide

  • 1
    Open the DMG file

    Double-click the downloaded file and drag Power Log to Applications folder.

  • 2
    First launch warning

    When you first open the app, macOS will show a warning that Apple cannot verify the developer.

  • 3
    Allow in Settings

    Go to System Settings → Privacy & Security, find "Power Log was blocked" and click "Open Anyway".

Note: This app requires access to system logs. It's distributed outside the App Store to provide full functionality.

Frequently Asked Questions

Power Log can retrieve 2-4 weeks of boot and shutdown history from your system logs, depending on your Mac's log rotation settings.