Embodiments of the present invention provide a method, system and computer program product for reorder point management in a smartphone. In an embodiment of the invention, a method for purchase reminding includes monitoring payments performed by a payment application executing in memory of a smartphone and determining by a processor of the smartphone for each of the payments, an ordered product. The method further includes associating each ordered product for which payment has been made with a corresponding reorder point indicating a lapse of time subsequent to which the ordered product is to be reordered. Finally, the method includes periodically processing each reorder point to determine whether or not to reorder a corresponding ordered product and, in response to the processing, displaying in the smartphone a reminder to reorder each ordered product for which a corresponding reorder point indicates reordering.