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Oh Dear vs Dead Man's Snitch: catalog facts
Oh Dear	Dead Man's Snitch
Paid Paid plans with a 10-day free trial that needs no payment details.	Freemium Can be tried for free, with paid plans listed on the site.
Web	Android, iOS, Web
Crawls whole sites for broken links, not just the homepage Uptime, SSL, DNS and cron checks in one tool	Setup is a single curl request at the end of a job Works with cron, Heroku Scheduler or any scheduled task
No permanent free plan Hosted only	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.