It's a constant marketing ploy to sell you other "clean-up" applications, and is invasive so that when you would like to access your phone, you get these additional messages that are difficult to get past, usually involving a restart. Over the period of my career in supply chain management, I and my staff, have spent billions of dollars for goods and services. This ranks towards the bottom, I would like a clean system process, and a full refund of the money I paid and damages for this.

AWFUL! Recvd ominous warning about viruses on my phone. Installed cleaner app for free then received notifications for 10 other apps. I don't want to pay for monthly service. Have been receiving10+ app notices per hour ever since. Notices will not stop even when un-installed. This is a harassing sales tactic and needs to STOP!!!!!

It's good as far as it goes, but after scanning the phone, instead of solving the problems, it recommends that you download another app to sort out any problems. So instead of clearing out viruses for example, it gives you a choice of antivirus apps to download to sort the problems out. Bit disappointing & will change my rating when these issues are sorted.