$8.99/mo
Starting price
Hosted cloud plan; self-hosting is free
Report
Should I Use changedetection.io?
Best and simplest way to monitor websites for changes, change detection, website checker, webpage change monitoring and webpage change detection tool - with alerts and notifications!
Worth it
Worth itBuy if you need to watch pages for price drops, restocks, or content edits — the free self-hosted version or $8.99/mo hosted plan covers it.
Free, open-source website change monitoring; great for restock and price alerts. Skip it for uptime/SLA-grade enterprise monitoring.
Confidence: Medium
Yes
Free tier
Open-source, self-hosted version
~30k
GitHub stars
Per March 2026 coverage
Value for money
5
Free self-host; $8.99/mo claims half competitors' price
Ease of use
4
Reviewed as simple; awkward sites take setup
Feature depth
4
Proxies, restock detection, many notification channels
Security posture
3
One patched XSS CVE; no public security page
Pros
Cons
Gotchas
- mediumPricing confusion: official $8.99/mo, a third-party lists $6.99/mo for 50 URLs — verify current tiers⁶
- mediumSelf-hosting isn't free in practice: updates, hosting, debugging are on you⁸
- mediumXSS CVE-2025-52558 patched July 2025 — keep self-hosted instances updated⁷
- lowHosted entry tier reportedly caps at 50 monitored URLs⁶
Best for
- Shoppers tracking restocks and price drops
- Self-hosters
- Journalists watching page edits
- Devs wiring webhook alerts
Not for
- Teams needing uptime/downtime monitoring — wrong tool class
- Buyers requiring SLAs or enterprise support
- Non-technical users on tricky sites unwilling to tinker
Pricing
Self-hosted (open source)
Free
- Full monitoring and alert features
- You host and maintain it
Hosted cloud
$8.99/month
- Hosted proxies included
- Official support included
Security
One patched XSS (CVE-2025-52558, July 2025); no security page found.
- XSS vulnerability CVE-2025-52558Patched in the July 2025 release alongside ARMv7 and JSON DB fixes.⁷
What users say
Users call it simple, capable, and effectively free; the recurring complaint is tracking data that isn't cleanly structured.
“ChangeDetection.io checks websites so you don't have to.”
“a simple yet highly capable, open source solution for website change detection and notification”
“it is difficult to track information that is not included in the RSS feed, such as product prices and stock”
Alternatives
Compare changedetection.io with each alternative.
Visualping
Polished hosted rival; markets AI-powered alerts and easiest setup
changedetection.io vs Visualpingurlwatch
Minimal self-hosted CLI watcher for technical users
n8n / Huginn
Automation platforms if monitoring must trigger complex workflows
changedetection.io vs n8n / HuginnUptime Robot
Free hosted webpage-change monitoring with instant email alerts
changedetection.io vs Uptime RobotFull analysis
Based on 20+ public sources including GitHub, Opensource.com, SourceForge, and third-party comparisons; no aggregate review rating or named corporate customers found.
Sources
- changedetection.io GitHub repositorygithub.comofficial
- Restock detection guidechangedetection.ioofficial
- Security pagechangedetection.iosecurity
review
review
review
security
- Best Open-Source Website Change Detection Toolspagecrawl.ioreview
review
- Self-Hosted Website Change Monitoring with 30k Starsdarkwebinformer.comnews
Rate this review
Anonymous. You can change your vote.
Loading votes…
Ask a follow-up
Ask if a use case fits. Answers stay inside this report and its sources.
Comments
One queue. No replies. Give a display name first. Limit: 7 comments per day.
No comments yet.