Beaconmon vs changedetection.io
for Shopify stores.
changedetection.io is the open-source reference point for web page monitoring, 30.7k GitHub stars and counting. It is free if you run it yourself. Beaconmon is a hosted, ecommerce-specific alternative: no server to run, Shopify and WooCommerce presets out of the box, and uptime monitoring bundled in.
Last updated: July 2026
changedetection.io is the right tool if you want to self-host, need to monitor JSON APIs, PDFs, or JavaScript-heavy pages, and are comfortable configuring selectors by hand. Beaconmon is the right tool if you run a Shopify or WooCommerce store, want it working in minutes with preset selectors, and want competitor tracking and your own store\'s uptime monitoring in one place without standing up infrastructure. Different audiences: one is a general-purpose developer tool, the other is built for ecommerce store owners.
Feature by feature
| Feature | Beaconmon | changedetection.io |
|---|---|---|
| Tracks page content changes | ✓ CSS-selector targeting | ✓ Full-page or element diff |
| JavaScript rendering (headless browser) | No, HTML-only | ✓ On hosted plan |
| Self-hosting required | No, fully hosted | Yes, unless on paid hosted plan |
| Shopify / WooCommerce preset selectors | ✓ Built in | Manual selector setup |
| Uptime monitoring | ✓ Included | No |
| SSL + domain expiry alerts | ✓ Included | No |
| Weekly Competitor Report (Slack/email) | ✓ Starter+ | No |
| Notification integrations | Slack, email | ✓ 100+ via Apprise |
| JSON / API / PDF monitoring | No | ✓ Included |
| Free plan | 10 monitors, 1 competitor, hosted | Free if self-hosted, no server included |
| Starting paid price | $29/mo | $8.99/mo hosted |
When to stay on changedetection.io
30.7k GitHub stars is not an accident. Here is where the open-source tool genuinely wins.
You already run infrastructure and want full control.
changedetection.io is open source with 30.7k GitHub stars. Self-hosted, it is free indefinitely, and you own the data, the retention, and the deployment. If you have the DevOps capacity, that control is worth something Beaconmon does not offer.
You need to monitor more than web pages.
changedetection.io tracks JSON APIs, PDFs, and renders JavaScript-heavy sites with a real browser on its hosted plan. Beaconmon is HTML-only and built around ecommerce competitor pages specifically.
You want the cheapest possible hosted option and do not need ecommerce presets.
The hosted changedetection.io plan starts at $8.99/mo, cheaper than Beaconmon's $29/mo Starter, if you are comfortable configuring selectors yourself and do not need uptime monitoring bundled in.
Why ecommerce stores choose Beaconmon instead
Not every store owner wants to run a Docker container. Most just want it to work.
- You do not want to run a server, manage Docker, or handle uptime for your own monitoring tool. Beaconmon is fully hosted from the start.
- Beaconmon ships with preset selectors for Shopify and WooCommerce product pages, so price and stock tracking works without manually inspecting HTML.
- You want uptime, SSL, and domain expiry monitoring for your own store in the same subscription as competitor tracking.
- You want a Weekly Competitor Report that reads like a digest, not a stream of raw diff notifications to interpret yourself.
Frequently asked questions
Is changedetection.io really free?
Self-hosted, yes, the core tool is open source and free to run on your own server via Docker or pip. You provide the infrastructure and the setup time. Its hosted SaaS version starts at $8.99/mo and removes the self-hosting requirement.
Why would I pay for Beaconmon if changedetection.io is free?
If you are comfortable running a server, configuring selectors by hand, and maintaining uptime for your own monitoring stack, self-hosted changedetection.io costs nothing but your time. Beaconmon is fully hosted, comes with Shopify and WooCommerce presets, and bundles uptime and SSL monitoring for your own store, which changedetection.io does not do at all.
Does changedetection.io monitor my own store's uptime?
No. changedetection.io is a change-detection tool for any URL, including competitor pages, but it has no concept of uptime monitoring, SSL expiry, or domain expiry for your own store. Beaconmon covers both in one subscription.
Does Beaconmon render JavaScript like changedetection.io's hosted plan does?
No. Beaconmon monitors server-rendered HTML, which covers most Shopify and WooCommerce stores since prices and inventory are typically present in the initial page load. If a competitor runs a JavaScript-heavy headless storefront, changedetection.io's browser rendering will catch changes Beaconmon will not.
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Running a Shopify store? See the Shopify-specific setup →