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Spike.sh vs PagerTree: catalog facts
Spike.sh	PagerTree
Paid Paid service with a 14-day free trial that needs no credit card.	Paid Subscription service; plans are listed on its pricing page.
Web	Android, iOS, Web
Alerts by phone, SMS, WhatsApp and Slack Rule-based routing on title, severity and payload priority	On-call schedules with escalation layers Notifications by push, email, SMS, voice and chat
Hosted service only Paid after the trial period	Hosted service only, with no self-hosted option Aimed at teams rather than individuals
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 24, 2026	Official website Full listing and sources Checked September 24, 2026

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