Dead Man's Hand
Watchdog timer & postponed reminder system
Set timers that trigger automated actions — emails, webhooks, notifications — unless you postpone them. Your digital failsafe for critical tasks and deadlines.
Everything you need to never miss a deadline
Watchdog Timer
Dead man's switch that triggers actions if the timer is not postponed. Perfect for critical deadlines and failsafe scenarios.
Learn moreSmart Reminders
Three modes in one: classic Alarm with repeat schedules, Pomodoro work/break cycles, and Spaced Repetition for memorization.
Learn moreEmail Notifications
Automated email delivery with file attachments when your watchdog timer fires. Your digital failsafe message system.
Learn moreFlexible Postpone
Postpone timers from 1 minute to 1 year. External API support for IoT devices like ESP32 to reset watchdog timers remotely.
Learn morePush Notifications
Real-time push alerts via Firebase on any device. Never miss a critical deadline even when the app is closed.
Learn moreAction Chains
Chain multiple actions when a timer fires — emails, webhooks, Telegram, SMS. Run them sequentially, in parallel, or with blocking checkpoints for true escalation workflows.
Learn moreHow it works
Create a task
Set up a watchdog timer or reminder with your desired schedule.
Postpone or let it fire
Keep postponing the timer to prove you're active — or let it expire to trigger actions.
Actions fire automatically
Emails are sent, webhooks triggered, and notifications delivered — all hands-free.
Start protecting your deadlines
Free to use. Set up your first watchdog timer in under a minute.