AndExplorerPro is a file manager and explorer for Android devices (phones and tablets). It focuses on file manager features only, no permission other than read/write storage are needed (no internet, no ads). So, size and footprint are small. It allows browsing local device and external storages (sdcard). It performs basic file operations such as rename, delete, copy/paste, make directory and multiple send/share. It includes search feature across folders with  filters option. It can also create ZIP archive and uncompress zip and tar.gz archives. Encrypted ZIP (password protected) are supported.

Differences between Pro and Free version are compression and search support.

File manager, search, zip/unzip, no permission other than storage/write