OM-APP Cost: $12 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions OM-APP: Excel Spreadsheet Template for Aggregate production planning. APP.xls is a strategic planning model that helps management develop targets for aggregate production and inventory quantities, work force levels, and overtime usage for up to 12 months ahead.