Clean Master is not available for Android but there are plenty of alternatives with similar functionality. The best Android alternative is CCleaner, which is free. If that doesn't suit you, our users have ranked more than 100 alternatives to Clean Master and many of them are available for Android so hopefully you can find a suitable replacement. Other interesting Android alternatives to Clean Master are Glary Utilities (Freemium), SD Maid (Freemium), LTE Cleaner (Free, Open Source) and Files by Google (Free).
Mobile Expert is a phone cleaning app that solves a lot of the problems that make people hate their phones. With this Android cleaner app, you will no longer be bothered by lack of memory, viruses, always drained battery, and other phone glitches.
IntelliAV is an anti-virus solution for Android featuring machine learning to provide an effective defense against novel malware, for which signatures are not yet available. Moreover, It doesn't need frequent updates.