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updown.io vs Dead Man's Snitch: catalog facts
updown.io	Dead Man's Snitch
Paid Pay-per-use pricing that scales linearly with check frequency; cards, PayPal, SEPA and…	Freemium Can be tried for free, with paid plans listed on the site.
Web	Android, iOS, Web
Check interval adjustable from 15 seconds to 1 hour Downtime confirmed from two locations before alerting	Setup is a single curl request at the end of a job Works with cron, Heroku Scheduler or any scheduled task
No free tier mentioned Hosted only, with no self-hosted option	Hosted service only, with no self-hosted option Requires an account
Hosted service	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.