changedetection.io alternative
A cheaper changedetection.io alternative
changedetection.io is a solid tool. If you just want a page watched and a ping when it changes, without paying a hosted subscription or your own server time, DiffBell does that for $0 (5 pages) or $5/month (50 pages, every 10 minutes).
DiffBell vs changedetection.io
changedetection.io is excellent open-source software. You can self-host it for free if you're happy running a server, or pay for their hosted version. DiffBell is for people who want the same core idea, text diffs and keyword triggers, with nothing to install, at $5/month for 50 pages.
What you get with DiffBell
Line-by-line diffs of the visible text, CSS selectors to focus on one part of a page, keyword triggers (ring when "Sold out" disappears), a headless-browser fallback for JavaScript-heavy pages, and every alert channel (Discord, Slack, ntfy push, webhooks) on every plan, Free included.
When to stick with changedetection.io
If you need visual screenshot comparisons, logged-in pages, or enterprise features like SSO and team seats, changedetection.io may still be the better fit. Prices and features change, so check their current pricing page.