Apps like Dead Man's Snitch

Here are some great alternatives to Dead Man's Snitch by Collective Idea :
UptimeRobot: Monitor anything!
UptimeRobot: Monitor anything!
★4.1
WhatsRunning Pro
WhatsRunning Pro
★4.8
CheckCentral
CheckCentral
★4.6
Missed Notifications Reminder
Missed Notifications Reminder
★4.1
LastSeen (Viber)
LastSeen (Viber)
★4.1
Site Monitor
Site Monitor
★3.6
Monitee - Home server monitor
Monitee - Home server monitor
★4.7
TStat: Lastseen Checker
TStat: Lastseen Checker
★4.2
WATrace - Online Tracker
WATrace - Online Tracker
★4.1
GSM Signal Monitor & SIM Info
GSM Signal Monitor & SIM Info
★4.4
Do Ghosts Exist
Do Ghosts Exist
★4.1
ntfy - PUT/POST to your phone
ntfy - PUT/POST to your phone
★4.9
Pronet Plus
Pronet Plus
★3.3
TraceableLIVE ™
TraceableLIVE ™
★3.4
WP Watcher: Online Tracker
WP Watcher: Online Tracker
★4.0
When: Last Seen Online Tracker
When: Last Seen Online Tracker
★4.5