CoHost RLSFX

Whether you’re a comedian, content creator, class clown, or need the perfect punchline sound in real time, CoHost RLSFX is the fastest, funniest soundboard app you’ll ever need.

Designed to elevate your comedy, and everyday interactions, it’s built with pro-grade audio frameworks like AudioKit and Audiobus, ensuring ultra-responsive playback and studio-quality sound.

Behind the scenes is a minimal, high-performance design—optimized for speed, not distractions. You won’t find fluff here. Just carefully curated, top-ranked, royalty-free sound effects chosen from the top SFX and years of testing what actually makes people laugh.

Features include:

71 Copywrite free Samples

Pet Sounds & Beats Vaudeville & Classic TV stingers Springer-style buzzer chaos Cowbell beats (because you still need more)

Originally launched in 2011 with the tagline: “Need more cowbell? There’s an app for that.”

Today, after a full-scale rebuild, comprehensive updates, and a dash of timeless humor, Cohost is RLSFX is better than ever—and it’s funnier, faster, and more powerful than ever. Expect to surprise friends, coworkers, and even unsuspecting strangers.