Smart Launcher Pro 3 keeps things simple and fast by using a very minimalist design. Smart Launcher Pro 3 is an upfront paid app costing $3.92 with zero in app purchases. There is a free version of the launcher available called Smart Launcher 2, though it has less features.
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Pro Minimalist, functional design that gives quick access to most important apps
Smart Launcher uses a simple circular layout of apps. It display 6 user-selected apps, date and time and hides everything else from view.
Pro Easy App Drawer categorization
One of Smart Launcher 2's ways of keeping things simple is to categorize your apps. The categorization is quite accurate and is very useful once you learn the categories.
Pro Allows accessing everything quickly
Smart Launcher uses very little resources which is good for performance and saving battery power.
Pro Easy to set up
As soon as you open Smart Launcher 3 for the first time you will begin the setup process. The steps are easy and you will be up and running in no time.
Pro Extendable with unread counts plugin
There is an extra download called Plugin Notifications that allows for the function of notification counts on the users app icons in the drawer and shortcuts on the home screen. It is available for free for Smart Launcher 3 and 2.
Pro Good in both Portrait and Landscape modes
Smart Launcher is designed with both Portrait and Landscape modes in mind, which means no matter the orientation one wants to use it in it adapts well to either.
Pro Hides apps easily
If you have tons of apps that clutter your app drawer even after they’ve been categorized, you can choose to hide certain apps from view.
Pro Easy theming with icon pack support
Smart Launcher supports using icon packs that are meant for ADW Launcher, Apex Launcher, Nova Launcher, and LauncherPro. You can also change icons on a per-app basis.
Pro Hundreds of downloadable themes
The themes change icons, wallpapers, and colors. Each has its own unique feel, but they all adhere to the same layout.
Pro Widgets can be used on secondary home screens
There is an optional function (on at stock start) that allows users to set their own widgets on extra home screen pages.
Pro Folders on main screen provides fast access to apps
Pro Lock screen is redesigned to provide a cohesive experience
Smart Launcher 3 provides a lock screen which helps to maintain an overall cohesive design on your Android device. It is optional for those that still want to use their stock lock screen.
Pro Gesture support for quick launching
Gestures can be enabled to perform Smart Launcher actions or just to open apps. Smart Launcher actions include but not limited to: open app drawer, show/hide status bar, show notifications panel, and show toggle panel.
Pro "Okay Google" support
Users can add "Okay Google" support for voice search by downloading the Plugin Extra plugin from the Play Store.
Pro One search for everything
One search for apps, contacts and web browsing. Also lets use of Google Now.
Pro Supports gestures
Pro Can be personalized with themes
Smart Launcher 2 offers a selection of themes that change the look of the homescreen.
Pro Live wallpaper support
Live wallpapers are a special type of wallpaper that is animated. Despite the simple and sleek design of Smart Launcher, you can still make it look and feel great, and live wallpapers are just one in a few ways for doing so.
Pro HD Wallpaper
Smart Launcher has HD wallpaper. Very impressive
Con Notifications don't work for some users
Multiple people have reported that app notifications don't work at all with SL2 and they are forced to open each app individually to see if there are changes.
Con Drains battery faster than stock Android
This may be due to some of the extra features in the app as well as some of the workarounds need for support of things like "Ok Google".