/ sales challenge solved / By Bill Farquharson Search “Sales Apps” on Google and the number of responses will rival that of the Gross National Product. There are thousands of apps and many do similar things. Here are just a few that are worth your time, listed by their intended benefit. To access this post, you must be a member of the Sales Vault. Login now or Become a Member. You may be entitled to a discount through your franchise or regional affiliate. Visit the Partners page to see if you are eligible.