Es File Explorer 3.2.5.5 [best] -

It lacks the "Task Killer" and "System Optimizer" modules that were later criticized for being redundant or potentially harmful to battery life.

: Unlike newer "Free" versions, this legacy build does not include the aggressive pop-ups and "charging boosters" that cluttered later releases. Lightweight Performance es file explorer 3.2.5.5

You can compress files into ZIP or extract RAR archives natively. No external utilities are needed. The process is lightning fast because the app doesn't waste RAM on ad-loading threads. It lacks the "Task Killer" and "System Optimizer"