2025-05-25 00:00:00 MOSC is a mobile app that gives you access to a historical price chart of desired items, helping you to know if the current price is a good deal or not, and notifies you in real time when the price drops. Never pay too much for an item due to bad timing and avoid "fake" deals by checking a history of price fluctuations before buying any item online. If the price is higher now than it was last month, consider waiting before finalizing the purchase.