JERSEY CITY, N.J.--ISO has acquired AppIntelligence, a provider of Web-based analytic tools designed to identify and detect fraud in the residential mortgage industry. More than 600 customers of the Weldon Spring, Mo.-based company use AppIntelligence solutions in the prequalification, processing, underwriting, quality control/quality assurance and compliance phases of the mortgage-lending process. Customers will not experience any service disruption from the transfer of AppIntelligence's control, both companies stressed. Terms were not disclosed.