The given Instalooker review describes one of the Instagram viewer websites that let you spy on someone's private account. It is an old website but there are a lot of negative reviews about it on the internet.
The TeenSafe app offers parental monitoring chances on a subscription basis. It is a standard process to collect, monitor, and evaluate information to track something or someone until it finds its objectives.
This article contains a review of the SpyTrac app which lets you track anyone's activities they are performing on their mobile phones. The article also contains bad and good reviews from customers about the product.