The best changedetection.io alternative

No. You recreate the URLs you monitor today in SiteGauge, map any changedetection.io selectors to SiteGauge ignore rules and keyword alerts, and reconnect your alert channels. Most teams migrate in under an afternoon, and you can run both tools in parallel for a cycle to confirm SiteGauge catches the same changes before you cancel changedetection.io.

Your changedetection.io history stays in changedetection.io until you cancel, so export anything you need to keep first. SiteGauge starts a fresh baseline the moment you add a page and builds its own change history from there, with retention that scales by plan.

Yes, and it is the safest way to migrate. Point both tools at the same pages for one or two billing cycles, compare what each catches, then cut over to SiteGauge once you are confident nothing is missed.

Yes, the open-source core (Apache-2.0) is fully free to self-host via Docker, pip, Windows, or ARM, with no signup and watch counts limited only by your own hardware. The trade-off is that you run and maintain the server and browser-render container yourself. The hosted SaaS (~$8.99/mo for up to ~5,000 watches) is the paid, no-maintenance option.

Yes. On self-hosted installs it is bring-your-own-LLM. It can produce plain-language summaries (for example, 'Price dropped from $89.99 to $67.00') and apply smart plain-English conditions to suppress irrelevant diffs, using any provider via LiteLLM: OpenAI, Gemini, Anthropic, or local Ollama/vLLM. Self-hosters supply and pay for their own LLM; the project README says AI features come to the hosted subscription from June 2026. Unlike SiteGauge, it does not include managed change categorisation (pricing/messaging/product/SEO) or native importance scoring out of the box.

SiteGauge is a strong managed alternative if you want AI that interprets changes for you (categorisation plus importance scoring), residential rendering for Akamai/Cloudflare-protected sites, tamper-evident audit evidence (Business and Enterprise plans), and a polished dashboard with team roles and unlimited free read-only viewers, all with zero server maintenance. It is less suitable if you specifically need self-hosting, a browser extension, RSS feeds, or native JSON-API/PDF monitoring, which are changedetection.io strengths.

Yes, this is a genuine strength. It monitors PDF documents (text plus filesize/checksum) and JSON API endpoints using JSONPath and jq filters, in addition to standard HTML pages. SiteGauge also monitors PDF, Word and Excel document text on every plan and can track one JSON API field by a dot-and-array path, but its JSON-API checks are narrower: no JSONPath expressions, jq filters or file checksums.

Yes, it offers a full read/write REST API with an OpenAPI specification, a Chrome extension for quickly adding URLs, and RSS feeds generated from changes. SiteGauge now matches all three (a full read/write API on every plan, its own Chrome extension, and RSS feeds); changedetection.io's real differentiators are being open-source and self-hostable, while SiteGauge adds AI change summaries, importance scoring and residential rendering for bot-protected sites.

It supports 85+ channels through the Apprise library, including native Discord, Slack, Telegram, Microsoft Teams, Matrix, ntfy, Rocket.Chat, email/SMTP/O365, and custom JSON webhooks. SiteGauge sends email natively, with Slack, Teams, Discord, Telegram, Google Chat, SMS, Google Sheets and webhook on Standard and above; changedetection.io's edge is the long-tail channels like Matrix, ntfy and Rocket.Chat, which SiteGauge reaches only via generic webhooks.

It can be, but it is built as a developer tool: the UI is functional rather than polished, and getting interpreted summaries requires configuring LLM keys and rules. Non-technical marketing/SEO teams generally find SiteGauge easier, since its managed AI categorises changes, scores importance, and presents stakeholder-ready digests, and it bundles SEO tooling and SEO-metadata change tracking.

No, it does not provide signed, timestamped audit-evidence exports. For data-sovereignty compliance it shines because you can self-host and keep all monitored data in-house or air-gapped. But if you need verifiable legal proof of a change, SiteGauge's tamper-evident export (Ed25519 signature plus a downloadable ZIP and public verification page, with an RFC-3161 timestamp when the timestamp authority is reachable; Business and Enterprise plans) is the differentiator.

Mostly. Export your watch list and recreate monitors in SiteGauge, translating CSS/XPath filters into SiteGauge's ignore rules and keyword alerts, and mapping check intervals to SiteGauge's cadence tiers. Re-point notifications (Discord and Telegram are native in SiteGauge; only long-tail Apprise channels like Matrix or ntfy become a generic webhook). PDF watches move across (SiteGauge monitors PDF, Word and Excel text on every plan), but JSON-API watches built on JSONPath or jq go beyond SiteGauge's dot-path JSON field tracking, so confirm coverage or keep a self-hosted instance for those before fully cutting over.

Yes, and for most switchers it is the biggest change of habit. Instead of opening a raw diff to work out what happened, you get a plain-English AI summary that says what changed, categorises it (pricing, messaging, product or SEO), and scores how important it is, with before/after visual and text diffs underneath. Routine, low-importance edits are still logged, without spending an AI pass on them.

Yes. If you tracked pricing pages in your old tool, point SiteGauge at the same URLs: it detects changes to prices, plan structure, and CTA copy, then sends an alert with an AI summary explaining exactly what shifted, plus before/after screenshots so you can see the change visually.

Yes, and it is the easiest way to test a migration: the free plan ($0) monitors up to 5 pages with daily checks, AI change summaries, and email alerts plus an RSS change feed, no credit card required. Recreate a handful of your monitors on it, compare results side by side, and upgrade only when you are ready to move the rest.

Often. If bot-protected pages kept failing in your previous tool, test them early in your migration: when an ordinary fetch is blocked, SiteGauge can switch to a residential browser, which reaches many pages behind Cloudflare or Akamai. It is not guaranteed: some heavily protected sites still block capture, and these renders use a monthly allowance on each self-serve plan. Most monitors never need this, so it is reserved for the pages that do.

Yes, on the Business and Enterprise plans, and it is usually a capability you gain in the move rather than carry over. SiteGauge exports signed, tamper-evident evidence of a change, using an Ed25519 signature (with an RFC-3161 trusted timestamp attached when the timestamp authority is reachable), packaged as a downloadable bundle with a public verification page that anyone can check against our published key. That makes it a fit for compliance and legal teams.

Email alerts and an RSS change feed are on every plan, including Free. Slack, Microsoft Teams, Discord, Telegram, Google Chat, webhooks, SMS and Google Sheets are available on Standard and above, so you can reconnect the channels you used before rather than changing how your team hears about changes. Zapier (via webhooks today; native app pending directory listing) and n8n (via webhooks) reach thousands of other apps, and the built-in MCP server connects your AI assistant.

Yes. SiteGauge ships an MCP server, so AI assistants like Claude, ChatGPT and Cursor can connect to your account, create monitors, read change history and pull exactly what changed on a page. During a migration that is a quick way to recreate monitors: connect once by signing in, with no API key to copy and paste, then ask your assistant to create monitors for the pages on your old list.

Yes. SiteGauge importance-scores every change, and you can set an alert filter so you only hear about the changes that matter, such as a competitor's price or pricing-page edit, while routine tweaks are still logged quietly. If alert noise was part of why you are leaving your current tool, set the filter up as you migrate rather than after.

Paid plans include a set number of editors plus unlimited free read-only viewers. If your previous tool charged per seat, this usually changes who you invite: bring the whole team or your clients in as free viewers, and pay only for the people who edit monitors.

Yes. Unlimited free viewers on every paid plan, tag-scoped digests and up to 3 workspaces on Pro (10 on Business), and competitor monitoring make SiteGauge well suited to agencies moving client monitoring across from another tool, and to reporting results back without paying per seat for people who only view.