ChangeTower is a solid change detection tool. This page covers what it's genuinely good at, where teams outgrow it, and what changes if you move to Lemwatch.
ChangeTower has a free tier. Its Basic plan starts at $19/month and checks as often as every 60 minutes. Verified 2026-07-09 against the vendor's public pricing page.
Choose ChangeTower when You need long-term change archives for legal or compliance evidence.
Lemwatch ships hash-chained evidence bundles plus uptime, SEO and visual diffs — you don't have to bolt on a separate uptime tool.