Apps similar to Drowser include SD Maid SE, which is open source with a free version. Other options are SuperFreezZ, Greenify, LSpeed and Battery Doctor. You can choose from more than 10 Battery Saver Utilities like Drowser for Android, Windows and Linux.
SD Maid SE (aka SD Maid 2) is a file management tool for Android that specialises in maintenance. Its core purpose is freeing up space and removing unwanted data.
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Android app making it possible to entirely freeze all background activities of any app.
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Never should your phone or tablet become slower and battery hungrier after lots of apps installed. With Greenify, your device can run almost as smoothly and lastingly as it did the first day you had it!
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L Speed is a modification that combines tweaks inside an intuitive application, the main goal of the tweaks is to improve performance, reduce stutters and lags, expands battery life and improve your gaming experience on Android.
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A fire-and-forget program to stop Android apps from running in the background.
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DU Battery Saver is the simplest and easiest way to protect against poor charging, battery hogging apps, and overlooked device settings that shorten your battery life.
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KillApps lets you close all running apps at once by a simple touch! it saves battery power , and improves performance.
FeraDroid Engine (FDE) - an All-in-One ultimate optimizer for all devices running Android OS. All parameters are individual for EVERY device depending on it's hardware/software characteristics. All parameters are very balanced - you may gain performance without increase of...
An Android application that aims to improve how the device performs and focuses on battery saving by adjusting Android system and/or kernel parameters using superuser privileges.
Brevent, black prevent, can app-standby (since Android 6.0, not supported on some devices) or force-stop apps without root, prevent apps from running in long time.
