AppStor.io is described as 'Free useful tools and services for App Store developers / marketing managers and owners. Site for application, ASO services, analytics and review monitoring' and is a App Store in the online services category. There are more than 10 alternatives to AppStor.io for a variety of platforms, including Web-based, iPhone, SaaS, iPad and Android apps. The best AppStor.io alternative is AppAgg, which is free. Other great apps like AppStor.io are App Annie, Appfigures, Sensor Tower and AppFollow.
ASOTools is a professional App optimization and data analysis platform, which provides accurate downloads and revenue estimates. The significant point is that ASOTools is a free product that opens to all of the users.
