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Distill Web Monitorchangedetection.io
Freemium

Free to start, with cloud monitoring and higher limits on paid plans.

 Freemium

Free and open source to self-host. The developers also sell a hosted subscription with…

Windows, macOS, Linux, Android, iOS, Web, Browser extension Linux, Self-hosted, Web
  • Watches only the part of the page you select
  • Alerts by notification, email, SMS or app
  • Watches only the part of a page you select, so navigation and footers do not trigger alerts
  • Notifications through Discord, email, Slack, Telegram, webhooks and many more
  • Round-the-clock cloud monitoring is part of the hosted service
  • Desktop apps are offered as beta builds
  • Self-hosted, so you run and maintain the service
  • Sites that block automated requests need proxies, which the hosted plan provides
Downloadable app, Hosted service, Browser extension Self-hosted
Closed source Open source
License not stated License: Apache-2.0
Not stated if an account is needed No account needed
Not stated if it works offline Needs internet

Checked September 24, 2026

Checked September 21, 2026

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