If your PC suffers from slow boot times, system crashes, or other computing ills, download a tune-up utility. All-In-One Toolbox is definitely the best cleaner and booster apps for Android for one reason and one reason alone – this single app offers pretty much everything you’ll need to speed up your old Android device. We all face a situation where we get a message that we do not have sufficient storage while performing some task. I know mac's are far more robust than pc's but they surely need a clean every so often.