SalesMapper is described as 'Sales Territory Mapping: Visualize your sales territory, map your prospects and customers in seconds'. There are six alternatives to SalesMapper for a variety of platforms, including iPhone, iPad, Mac, Windows and Android. The best alternative is Pipedrive. It's not free, so if you're looking for a free alternative, you could try Spotio. Other great apps like SalesMapper are Map my customers (Paid), Poimapper (Paid), Monty (Paid) and Tapdesk CRM (Paid).
Pipedrive is a powerful sales pipeline management tool. It organizes your leads in a way you'll always have a great overview of sales, and important deals won't get dropped. Pipedrive is mostly used by small demanding teams.