---
title: "How can an operating system improve battery life while running an app?"  
description: "How can an operating system improve battery life while running an app?"  
author: "David Miller"  
published: 2015-02-04  
updated: 2020-09-22  
canonical: https://www.mindstick.com/interview/2325/how-can-an-operating-system-improve-battery-life-while-running-an-app  
category: "iphone"  
tags: ["ios"]  
reading_time: 1 minute  

---

# How can an operating system improve battery life while running an app?

**An app is notified whenever the operating** system moves the apps between foreground and background. The operating system improves battery life while it bounds what your app can do in the background. This also improves the user experience with foreground app.

## Answers

### Answer by David Miller

**An app is notified whenever the operating** system moves the apps between foreground and background. The operating system improves battery life while it bounds what your app can do in the background. This also improves the user experience with foreground app.


---

Original Source: https://www.mindstick.com/interview/2325/how-can-an-operating-system-improve-battery-life-while-running-an-app

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