Dead Man's Switch
Push notifications to remind you to check in
Dead Man's Switch launched on May 22, 2021 with 70 votes, #865 of 3,504 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 5 years on.
What it does
You write some messages and specify when you want Dead Man's Switch to check up on you. These dates are called "intervals". For example, for intervals of "15, 30, 60", Dead Man's Switch will email you 15 and 30 days after your last checkin.
Bad things happen. Sometimes, they happen to you. If something does happen, you might wish there was something you had told the people around you. How you feel, what you regret, what you wish you had said. Or maybe you just want to make sure your pets are taken care of promptly. For that, you need a dead man's switch. This is how this works. You write a few e-mails and choose the recipients. These emails are stored privately until they're sent. Your switch will email you every so often, asking you to show that you are fine by clicking a link. If something were to... happen ... to you, your switch would then send the emails you wrote to the recipients you specified. Sort of an "electronic…from deadmansswitch.net
Pricing, as stated on its site
Free tier, paid plans from $2/mo — Free tier allows testing with messages sent only to your own address. Premium yearly plan starts at $2/month (billed yearly). One-time Duo option available for $100 once.
checked October 2026 · prices change
Does a similar job
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Death Plan Switch, a self-hosted dead man's switch for solo devs8d ago · deathplanswitch.com · ▲110A free, self-hosted dead man
Dead man's switch without reliance on your infra2024 · github.com · ▲139I wrote this Go project to implement a dead man’s switch that didn’t rely on cron jobs, timers, databases, etc on the infra it runs on. Deadcheck integrates to PagerDuty and keeps a long running incident snoozed until expected check-in times where it’ll alert unless a check-in occurs.
- DIDeadman.io - a digital dead man's switch2012 · deadman.io · ▲76
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