ChangeTower costs $12/mo for Lite (25 pages, daily checks), $36/mo for Essential (100 pages, hourly) and $78/mo for Business (200 pages), with a free 3-page tier and a quote-only Enterprise plan.
Plans
Lite — $12/mo. 25 pages monitored, 1 additional team member, checks every 24 hours, 30-day history
Essential — $36/mo. 100 pages monitored, 3 additional team members, hourly checks, 60-day history, section and lazy-load support
Business — $78/mo. 200 pages monitored, 5 additional team members, 6-month history, ignore-specific-elements rules
Enterprise — quote only. Custom page and seat counts, domain scanning, full page archiving, multi-region and multi-workspace — demo and quote
Free tier
ChangeTower's free tier watches 3 pages on daily checks with 30 days of change history — enough to trial the archive view but not to cover a site.
What to watch out for
The Lite plan at $12/mo only checks each page once every 24 hours, so a defacement, price change or removed legal notice can sit live for a full day before ChangeTower flags it.
ChangeTower's own pricing page disagrees with itself on Business: the plan card advertises monitoring every 20 minutes while the feature table below lists that same plan as hourly — worth confirming in writing before you buy for a specific frequency.
Change history is tiered rather than unlimited: 30 days on Lite, 60 days on Essential and 6 months on Business, so older diffs age out of the archive you bought it for.
Precision controls that make visual diffing usable — monitoring a specific page section, custom user interactions and ignoring chosen elements — are withheld from Lite, so the cheapest paid plan reports whole-page noise.