Launchers, even the best ones often slow down the phone. … On some occasions the software that these companies put in their phones is not optimised well enough and in that case it is a good idea to use a third-party launcher. But be careful if you are going to use a third-party launcher.

Do Android launchers affect performance?

Yes it does affect performance, most noticeable is the lag when trying to launch applications or switching between applications. Although the effect on performance is launcher specific/dependent since it’s a process (application on its own) it uses the RAM.

Do launchers make Android faster?

A custom launcher might not be able to provide a significant hardware-related performance boost, but some of them suck a lot less memory and CPU than others. Thus, installing a lightweight custom launcher can practically make your Android phone faster.