There is an alternative as a Telegram bot https://t.me/dead_man_switch_bot https://t.me/dead_man_switch_bot - it is free and easy to use (bot author here). I us

There is an alternative as a Telegram bot https://t.me/dead_man_switch_bot https://t.me/dead_man_switch_bot - it is free and easy to use (bot author here). I use to monitor about 25 cronjobs in multiple group chats.