RPG Master Sounds Mixer ME (Medieval Edition) - App allows you to add music, sounds and ambients.

RMS Tutorial: Add your own audio files to RPG Master Sounds

Farm: RPG Master Sounds

Master Fantasy RPG Soundboard - Role Playing Game Sound Effects Companion App - Tabletop Gaming D&D

TableTone - The Ultimate TTRPG Soundscape Tool

TableTone - a flexible, interactive and automated soundscape and music solution for TTRPG games.

RPG Sounds Review (Free App on Steam)

This FREE D&D campaign management app made me a better DM