This app was mentioned in 4 comments, with an average of 4.00 upvotes
Yep, had this same issue until I made an app to notify me when classes open. People drop classes more often than you think.
https://play.google.com/store/apps/details?id=com.tevinjeffrey.rutgersct
Checkout mine on Android and iOS. Course data is refreshed every 30 seconds.
https://play.google.com/store/apps/details?id=com.tevinjeffrey.rutgersct
Try the Rutgers course tracker app. Thats the one I use and it checks every 30 seconds iirc. Here's a link for the app store. https://itunes.apple.com/us/app/rutgers-course-tracker/id1143859898?mt=8
And here's the play store link for Android
https://play.google.com/store/apps/details?id=com.tevinjeffrey.rutgersct
If you have an android phone, there's an app for that. https://play.google.com/store/apps/details?id=com.tevinjeffrey.rutgersct