Wellness Ping: A simple dead man’s switch service

Early in 2026, a Chinese app that alerts trusted contacts if the user is still alive made some noise. The premise, somewhat morbid, is useful for certain groups, like activists, journalists covering high-risk areas, and people who live alone. The person has to check in at regular intervals. If they fail to, their contacts are notified automatically. Wellness Ping is a variation on this kind of service with an approach that promises greater privacy: it’s free, requires no app download, and everything happens over email or Signal (preferred). Announcing version 2.0, its creator, who goes by Micr0byte, said that the code (which is open source) went through a full security review.