Demumu — Daily Safety Check-In
The Intelligent Dead Man's Switch for Everyone
Living alone? Demumu ensures your loved ones are automatically notified if you miss your daily check-in. Simple, private, and always watching out for you.
How Demumu Keeps You Safe
Set it up in under a minute—then keep safe with a 1-tap daily routine.
Add Emergency Contact
Enter your trusted contact's name and email. No verification needed, no account required for them.
Check In Daily
Tap once to say "I'm OK." It takes seconds and becomes a calm routine.
Stay Protected Automatically
If you miss consecutive check-ins, Demumu automatically alerts your emergency contact. No action needed from you.
Demumu Key Features
Built to be simple, dependable, and respectful—safety that doesn't feel like surveillance.
One-Tap Daily Check-Ins
A distraction-free interface with a single purpose: confirming your safety. Tap once to reset your 24-hour (or custom) countdown timer instantly.
Missed Check-In Alerts
The core of our system. If the timer hits zero, an automated email is sent to your emergency contacts, containing your pre-saved message and last known status.
Flexible Windows & Reminders
You choose your check-in frequency. We also send "Gentle Nudges" to your own email before triggering the final alarm, preventing false positives caused by forgetfulness.
Minimal Data by Design
We don't ask for your phone number, address, or ID. We only store what is strictly necessary to send the email alert, keeping your digital footprint minimal.
Why Trust Demumu
Your safety matters—but so does your privacy. Demumu is designed to share only what's necessary, only when it's necessary.
Privacy-First by Default
We operate on a zero-knowledge principle where possible. Your personal messages are encrypted, and we never sell your data to advertisers or third parties.
Clear Alert Rules (No Surprises)
You know exactly when and how an alert will be sent. No hidden AI algorithms guessing your status—just pure, predictable logic controlled by you.
Built for Reliability
Hosted on enterprise-grade cloud infrastructure with 99.9% uptime. Demumu.io is always on, even when your phone is off, broken, or out of battery.
Who Uses Demumu
From young professionals to seniors, anyone living independently can benefit.
People Living Alone
For the millions of single-person households worried about accidents, sudden illness, or slipping in the shower without help.
Elderly Living Independently
A digital companion for seniors who value their independence but want a safety net that doesn't feel like constant surveillance.
Long-Distance Families
Bridges the gap for families living in different cities or countries, providing a daily "I'm okay" signal without the need for lengthy calls.
Solo Workers & Night Owls
For freelancers, security guards, or anyone working late shifts alone where traditional check-ins aren't available.
FAQ — About Demumu
Answers about how it works, privacy, notifications, and more.