Afraid of forgetting to check in?
We've got you covered!

Set a reminder period, and if you don't check in within the specified days, the system will automatically send you a reminder email. Never miss an important check-in again!We are mainly dedicated to personal security applications. There is no need to download an APP. It's free. Just sign in online every day!

• Exclusive Check-in URL

  Your check-in URL: www.demumuonline.com/your-email, easy to remember.

• Custom Reminder Days

  Set 1-30 days as your reminder threshold, get notified when overdue

• Simple & Secure

  Only need to enter your email, no complicated registration, data encrypted storage