• Booster FREE - Task Killer 1
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Booster FREE - Task Killer

Booster FREE is a permanently FREE app!
The coolest task killer, battery saver & app manager for your Android mobile phone. It's easy and simple dashboard like interface saves battery life and optimizes system speed.

All from a single view you can free system memory with a push of a button, control the WIFI, Bluetooth, Auto-Sync and Airplane mode, and get the device’s battery level/usage.

Key Features:• Optimize – Instantly frees memory.• Battery Saver
- save your battery via battery save mode and allow you to check your battery consumption.• Task Killer – Single-handedly kill running apps.
• Permissions management for Android 4.3.• App to SD
- Move available apps from phone to SD card. Keep your Android device fast and clean! Show APP2SD Notification when movable apps are installed• Uninstaller
- Uninstall apps you don't like;• Cache Cleaner
- Clear Cache to free more phone memory;• Auto Optimization – Optimize every 15 minutes or up to 4 hours.

Bonus Feature:• Listen to music or radio before going to sleep and have it turn off automatically using the Timed Optimization feature.

Booster FREE manages your phone’s system, running apps and services while using less than 0.1% of your battery.

Category : Tools

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Reviews (25)

Ang. L. Jan 28, 2014     

I've tried several apps to keep my phone cleaned up and running fasy and this one is strait up hands down the best one. Others have said free and then try to charge. Others have complicated screens. This one gets the job done and looks cool. I don't know how anyone can have a phone without it.

Bri. L. Feb 4, 2014     

With regular use, it indeed does save battery life, and using it before you run large apps insures they will run with less glitches... Smart way to arrange phone apps for optimum memory. Makes my HTC one x run better than it all ready did.

kas. h. Dec 12, 2013     

Definitely worth downloading! Would've given 5 stars if this app offered a few more options. would be nice to have a 1 tap widget (I.e. Multiple cache clearing options (Clear all one tap widget, or select choices ) without being taken to individual app info screens) for customizable TRUE 1 tap option. Would like to see a storage cleaning opt. for use by user customizable (browse sd storage files) w/delete opt for file clean out to increase storage & decrease junk files! Would make this app THE PERFECT APP!

nhe. G. Sep 7, 2013     

clear history. nice u can select apps on installed on the phone & clear history function. prob i see.. u can select the app but no buttons to proceed or perform selected task. if not an issue. might've been w/the size of the screen of my phone? app should automatically adjust its display. slide, drag, pinch& zoom tried all but no buttons or let say cant do what it should be doing

Joh. W. May 17, 2014     

I like it. Seems like a good app. It kills tasks, boosts memory, & gives you an occasional visual update. All while you are working on something else, Just to let you know it is quietly working in the background doing it's job. Very cool.

Hel. T. Feb 16, 2014     

Im giving 5 stars cos it simply works. After being disappointed by lot of apps lately, with this one im quite ok , thus 5 stars

Bre. T. Dec 18, 2013     

I like the looks of this app and it's very simple to use. It has options that I didn't have with my previous app - I especially like the feature that shows you what applications can be moved to your SM card. My phone is running quicker and I would recommend this.

Cli. S. Apr 30, 2016     

and that's a good thing. It also does the one thing I really need it for: quickly kills running apps. I also can see the percentage level my battery is at with a quick press.

Che. T. Aug 7, 2013     

I've probably downloaded at least half of the RAM/Memory Booster apps in the Play Store so far & I've found this one is the BEST hands down, I love it! It works great,easy to use & doesn't drain memory,RAM,or drain the battery (like other apps). It has extra features allowing the user to empty the cashe,clear all app history or just individually from browser,text messages,Play Store,ext. It shows what apps u can move to ur SD card,allows u to delete APK's & more! Keep up the FANTASTIC WORK!!!

Fre. W. Mar 10, 2014     

Thing I've noticed all the app kills have in common as soon as an app is stopped it restarts itself as fast as you can reload..

Sue. W. Mar 8, 2015     

I have had a few task cleaners and have not never been happy. So far this one does what it is made to do.

Pra. V. Jan 19, 2014     

Better than sms world.. i mean another new incarnation of sms... keep it up.. you can generate money via share bond, advertising and internet connection usage from us... one things I'm telling you after one year usage i won't pay your application for reuse... really learn from face book or google and android world .... best of luck

A. G. u. Nov 16, 2015     

When I updated the app I could not see the setting keys in screen. The older version of app is better then the new version.

Ala. G. Aug 8, 2013     

This a good app. Can't give it 5 stars yet, as i have just got it and i am trying it out but up to now excellent.

sar. g. Jul 10, 2014     

It's an easy way to turn off some of your apps, but it doesn't give you a list of all your running apps to "kill". Nice to have the option for some though. When it gives me the option for more I'll rate 5stars for sure!

Jes. P. Apr 19, 2015     

Would be cool if there was an info button which showed u where everything was. Other than that it was the best one ive seen yet. Keep it up

Ric. R. Mar 11, 2014     

It did give me some improved speed and performance, wish the ads could be removed

Con. Aug 25, 2014     

When I select app permissions the Booster app stops. This feature needs to work for this app to rate higher. HTC One

Isl. L. Sep 5, 2016     

Did a good job for about five years but has stopped and doesn't show apps any longer.

Dav. H. Aug 8, 2013     

Does what it says... clean UI. not very many options for advanced users however. Ad bar all up in your face... expected for it being free but still very annoying. Galaxy S III

Jon. D. Mar 8, 2014     

To much focus on visuals not smoothness and effectiveness

Kum. G. Jun 17, 2015     

Better than clean master as CM makes a load of tasks and itself becomes Ram Eater. This one is light and works smoothly in auto mode too. Kudos to developers.

Jef. V. Apr 23, 2015     

I guess it's okay don't really know how effective it works but very low in rate of memory space used

Sco. R. May 13, 2014     

Well its not killing apk's its not clearing any thing i ask it too but it keeps my low memory warning from coming on.Whoopie.

Kev. L. Sep 29, 2014     

I like the ease of clearing the ram many times my phone lags and with one push of the optimize button all is well...Thanks