ChangePing vs ChangeTower

ChangeTower is a hosted monitor with screenshot comparison, text diffs, keyword tracking and AI summaries, with team seats and longer history on higher plans. Its free plan checks 3 pages daily. ChangePing’s free plan checks 5 pages hourly and includes Slack, Discord and webhook alerts.

Facts about ChangeTower are from its own website, checked 5 November 2026. Prices are in US dollars.

Free plan: ChangePing5 pages, each checked every hour. No monthly check cap.; ChangeTower3 pages, checked daily, 30 days of history
Cheapest paid plan: ChangePingNone yet. Everything here is on the free plan.; ChangeTowerLite: $12 a month ($10 billed yearly) for 25 pages, checked daily
Fastest checks: ChangePingEvery hour; ChangeTowerHourly on Essential ($36 a month) and Business; custom schedules on Enterprise
How pages are read: ChangePingA real browser (Chrome), so JavaScript pages work. Compares the words you can see.; ChangeTowerScreenshot comparison, text diffs and keyword tracking
Screenshots: ChangePingA picture of the watched part, now and before its last change. Alerts are based on the words.; ChangeTowerFull-page screenshot comparison
Watching part of a page: ChangePingClick the part on a picture of the page, or type a CSS selector; ChangeTowerSections on Essential; single elements on Business and up
Cutting noise: ChangePingIgnore numbers, ignore lines with a phrase, and a warning with a fix for pages that change on most checks; ChangeTowerChange thresholds, AI filtering, and excluding ads and banners
Where alerts go: ChangePingEmail, Slack, Discord and signed webhooks, all on the free plan; ChangeTowerEmail on all plans; Slack and webhooks from Business; Microsoft Teams listed
Pages behind a login: ChangePingNo; ChangeTowerPassword-protected pages; clicks and searches from Essential
API: ChangePingNo REST API. Signed webhooks for every change, and an MCP server for AI assistants; ChangeTowerREST API, mainly on Enterprise
Extension and apps: ChangePingNo extension. Claude and ChatGPT can create and read monitors through the MCP server; ChangeTowerBrowser extension
AI summaries: ChangePingA 2-3 line summary of every change, with the exact words a click away; ChangeTowerAI summaries and change classification on all plans
Teams: ChangePingNo; ChangeTower1 to 5 extra members, depending on plan
History kept: ChangePingThe last 200 checks and 10 page versions per monitor; ChangeTower30 days to 6 months, depending on plan

ChangePing and ChangeTower, feature by feature
Feature	ChangePing	ChangeTower
Free plan	5 pages, each checked every hour. No monthly check cap.	3 pages, checked daily, 30 days of history
Cheapest paid plan	None yet. Everything here is on the free plan.	Lite: $12 a month ($10 billed yearly) for 25 pages, checked daily
Fastest checks	Every hour	Hourly on Essential ($36 a month) and Business; custom schedules on Enterprise
How pages are read	A real browser (Chrome), so JavaScript pages work. Compares the words you can see.	Screenshot comparison, text diffs and keyword tracking
Screenshots	A picture of the watched part, now and before its last change. Alerts are based on the words.	Full-page screenshot comparison
Watching part of a page	Click the part on a picture of the page, or type a CSS selector	Sections on Essential; single elements on Business and up
Cutting noise	Ignore numbers, ignore lines with a phrase, and a warning with a fix for pages that change on most checks	Change thresholds, AI filtering, and excluding ads and banners
Where alerts go	Email, Slack, Discord and signed webhooks, all on the free plan	Email on all plans; Slack and webhooks from Business; Microsoft Teams listed
Pages behind a login	No	Password-protected pages; clicks and searches from Essential
API	No REST API. Signed webhooks for every change, and an MCP server for AI assistants	REST API, mainly on Enterprise
Extension and apps	No extension. Claude and ChatGPT can create and read monitors through the MCP server	Browser extension
AI summaries	A 2-3 line summary of every change, with the exact words a click away	AI summaries and change classification on all plans
Teams	No	1 to 5 extra members, depending on plan
History kept	The last 200 checks and 10 page versions per monitor	30 days to 6 months, depending on plan

ChangeTower is the better fit if

You want visual, screenshot-based comparison.
You need several team members or months of history.
You watch pages behind a login, or need clicks before a check.

ChangePing is the better fit if

You want pages checked hourly for free, not daily.
You want to watch part of a page without a paid plan.
You want Slack, Discord or webhook alerts without the Business plan.

Sources

Plans change. If something here is out of date, the source pages above are the place to check, and we update this page when we hear about it.

Try ChangePing on a page you watch

Free for up to 5 pages, checked every hour. No card needed.