有人有用過殺價王APP嗎?

最近看到殺價王新聞打很兇，好像可以再上面標到不錯的價格，跨年還要再標三部百萬名車，有人有用過不錯的嗎?


https://tw.news.yahoo.com/%E6%AE%BA%E5%83%B9%E7%8E%8B%E4%B8%9F%E9%9C%87%E6%92%BC%E5%BD%88-%E5%8C%97%E4%B8%AD%E5%8D%97%E4%B8%89%E9%83%A8%E7%99%BE%E8%90%AC%E5%90%8D%E8%BB%8A%E5%85%8D%E8%B2%BB%E6%90%B6-073055268.html