DealCheck

DealCheck이란?

DealCheck calculates the real price per unit so you always pick the best deal — no mental math needed. ✅ Compare up to 5 items at once ✅ BOGO, Buy 2 Get 1, % off, and custom promos ✅ Pack mode: enter "6 × 325ml" without pre-calculating ✅ Works offline (PWA) — add to home screen ✅ Free, no account required Built for anyone who's ever stood in a supermarket aisle wondering whether the large bottle or the promo pack is actually cheaper.