DiffTrax — AI Website Change Monitor

Know when websites change. Smart monitoring that tells you what changed and why it matters.

Tired of manually checking websites for updates? DiffTrax watches pages for you and tells you when something changes. No code, no CSS selectors, no browser tabs left open — just tell it what you care about in plain English. HOW IT WORKS 1. Navigate to any page you want to track 2. Click the DiffTrax icon and describe what matters --> "alert me when the price drops" or "let me know when new jobs are posted" 3. DiffTrax reads the page on a schedule and compares it to last time 4. If something changes, you get an email with a clear summary of what's different WHAT PEOPLE USE IT FOR • Price tracking --> Know when a product drops in price on Amazon, Best Buy, or any store • Job monitoring --> Get notified when new positions appear on Indeed, company career pages, or government job boards • Competitor watching --> Track when competitors update their pricing, features, or landing pages • Government and public data --> Follow new RFPs on SAM.gov, regulation changes, or city council agendas • Product availability --> Watch for restocks, new releases, or inventory changes • News and content --> Track specific topics across blogs, forums, or news sites WHAT MAKES DIFFTRAX DIFFERENT • No CSS selectors or XPath --> you describe changes in your own words, not in code • Understands content, not just pixels --> knows the difference between a real price change and a minor layout tweak • Clear summaries --> instead of "something changed," you get "MacBook Air price dropped from $1,199 to $999" PRICING Free plan: 5 monitors, daily checks, email alerts. No credit card required. Pro ($19/mo): 25 monitors, checks every 6 hours, 30-day history. Business ($39/mo): 100 monitors, hourly checks, 90-day history, CSV export. PRIVACY DiffTrax reads page content only for the sites you explicitly choose to monitor. Content is analyzed and discarded — we never store raw page data. Full privacy policy: https://difftrax.io/privacy SUPPORT Questions or feedback? Email hello@difftrax.io — we typically respond within 24 hours.