Can’t stream a YouTube video on a plane? Worried that a rare concert recording will disappear? Need to edit a clip for a presentation? Here’s why TidBITS Talk readers download YouTube videos—and which apps they recommend.

Audiofile Engineering’s Fidelia plays your music collection with bit-perfect accuracy and lets you shape the sound through Audio Units, equalization, and headphone virtualization. It’s not for everyone—but audiophiles will appreciate its depth.