About this app
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.
Latest release
What’s New
New in this Version more Pet Sounds, TV Stingers and Classic comedy Sounds and Scrathes and Samples.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 5, 2026 · 7:40 PM Free
Screenshots
