While using the smartphone, especially Android, always accumulate a mess of needless files that cause the device to run slowly. I bet you must have thousands of duplicate photos, app caches and redundant files that taken up your smartphone. So installing cleaner apps is smart to save a lot of free space by just one click. Let's take a look at the Top 3 best cleaning apps in 2017 for Android in the following article.

Clean Master:
Clean Master is an all-in-one cleaner app on android for cleaning app cache, unused files, residual files, search history and uninstalling apps. Clean Master is the world's most downloaded Android optimizer, memory & speed booster. However, if your requirements are more specific and Clean Master's features overwhelm you, then consider choosing one of the next two we are going to discuss.

Pros: Several functions are available means that it is more than just a cleaner.
Cons: Too much Ads and subject to phone crashing.

DU Speed Booster:
It's an effective tool which offers users all kinds of tools to speed up their Android devices. The most attractive feature no doubt be network boost. One-tap comprehensively detects network status, including Wi-Fi Security, download speed, upload speed, networking devices. It helps in boosting network and increasing charging speed up to 20%.

Pros: Boost Android devices for network and many more.
Cons: The running speed is slow sometimes.

Super Cleaner:
Super Cleaner is a small, fast, and smart android device cleaner and performance booster. It has over 5 million users as well as 4.7 rate on Google Play. Featuring a junk cleaner, memory booster, device optimizer, app manager and CPU cooler. It provides several functions that can free up storage, boost RAM, remove or disable unnecessary applications. With it, your mobile will run like new again. Its best feature is focusing on cleaning so that it has simple but easy-use interface.

Pros: Simplest memory cleaner. Very easy to use.
Cons: Hope to create a simple widget which can be put on phone home screen.

Finally, after looking around these device cleaner Android apps you have understood the importance of cleaning up your Android device. All these three applications are great optimizer tools. All of them are free though, so no harm in trying and then choosing.