KillApps lets you quickly close all running apps with just a touch! saves battery power, frees up memory and improves performance. The phone keeps many apps running in the background, which consumes system resources and, consequently, drains the battery and reduces available memory. This app allows you to speed up your phone when it runs slowly due to the numerous apps running in the background.
* Close all running apps
* Close activities and services in the background
* Supports user apps and system apps.
Supported Android Devices : [4.4–4.4.4] KitKat – [5.0–5.0.2] Lollipop – [6.0 – 6.0.1] Marshmallow – [7.0 – 7.1.1] Nougat – [8.0-8.1] Oreo –  Pie