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Visualping vs Website Watchman: catalog facts
Visualping	Website Watchman
Freemium Free tier with limited checks; paid and business plans for more.	Paid Costs 25 USD with a 30-day free trial.
Web, Browser extension	macOS
Screenshot and text comparisons of each change Alerts via email, Slack, Teams, webhooks and API	Runs locally, so data stays on your Mac Archives full page resources, not just screenshots
Hosted service; pages are checked from Visualping's servers Free tier limits how much you can monitor	macOS only Internal archive uses a proprietary format
Hosted service, Browser extension	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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