TREK: Sounds is a multimedia application for iPhone created by NSTE LLC. This app offers a collection of over 500 sci-fi sounds inspired by movies and shows from the 60s to the present day. Users can enjoy the nostalgic essence of classic sci-fi themes and effects. The sounds can be exported for use as ringtones, notifications, contact alerts, or alarms, providing a fun way to customize your device's audio experience.

Organized into eras, the vast library of sounds in TREK: Sounds allows for easy navigation and selection. Users can also export sounds to be used with GarageBand or on their system. It's worth noting that there may be a slight delay of 2 to 4 seconds when previewing sounds due to fetching them from the host folder. However, users are advised against setting certain sounds, like "Auto-destruct armed," as notifications in sensitive environments like airports.