Extensions by DPWonder Software

Underbook: Hotel Price Comparison & Tracker for Booking.com & Expedia

🧩 More extensions

Compare hotel prices on Booking.com, Expedia & Hotels.com. See if room names match. Free price-drop alerts, even after you book.

PromoIQ: Promo Codes, Coupon Finder & Price Comparison

🛍️ Shopping

Finds promo codes and tries them in your cart. A code is marked worked only if your total drops. Plus the same item at other stores.