The latest update of Speed BOOSTER was released on Sep 1, 2020 and the app has been set up by over 5M users. Samsung and Lenovo users highly appreciate this application. Download the .apk installer of Speed BOOSTER 11.53 for free and have a look at users' reviews on Droid Informer. You will need 5 MB to install the app that is designed for Android 4.1 and above.
The way users see it, the pluses of the app are a user-friendly interface and good performance. Users leave reviews pointing out that there are several disadvantages, they are annoying ads and a battery drain.