Why rapido in coimbatore asking more money then what's showing in the app??

I tried booking rapido from kumara swamy park to eachaneri the app was showing 70rs but the captain asked me 150rs I was shocked because I tried using rapido in Chennai it's very much affordable in Chennai they won't ask you extra money other then what's showing in the app , so I cancelled the captain and booked another captain and he is asking 200rs , wtf dude ??! , and I tried another captain he again said 150 , i convinced him for 120 said I have no money I also want to make a return trip , and made the trip , but at the drop point he again demands 150rs , I just walked away bruh this much in not worthy I'll pay you 120rs as I said , do you people constantly face this??