# CoHost RLSFX — Prank + Effects > Real-time soundboard app with royalty-free sound effects for entertainment. (iPhone/iPad app by Abu Studio Inc.) - Source: https://appshunter.io/ios/app/cohost-rlsfx/id1634127035 (this page in markdown: same URL + `.md`) - Developer: [Abu Studio Inc](https://appshunter.io/developer/409934495) - Category: Entertainment, Music - Price: Free (on sale, was $4.99) - Age rating: 17+ - Requires: iOS 13.0 · 33 MB - Languages: English - Released: 2022-08-23 - Data updated: 2026-07-31 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/cohost-rlsfx/id1634127035/reviews.md ## What is 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. ## Key features - Real-time soundboard - Curated royalty-free sound effects - Pro-grade audio frameworks - Ultra-responsive playback - High-performance design - 71 copyright-free samples ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/cohost-rlsfx/id1634127035/reviews.md ### 5/5 — Great utility app *2026-03-21* It’s very straightforward and easy to use. All the sound bites are perfect versions of what they are labeled as. Exactly what I wanted. ### 5/5 — soundbites to humorous occasions *2024-02-04* Perfect arsenal of animated soundbites. Very funny love the animated thumbnails. The tuba is a personal favorite. curb your enthusiasm vibes ### 1/5 — Does not work *2022-12-05* Gross…i know this app is c.a.f. but it won’t even open let alone work…doesn’t Apple make sure that this is not garbage before posting to the store? Come on dude…make your app work. **Developer response:** Sorry I has so many development issues just to squashed the bug. 🪳 iPad iPhone MacOS and now Vision. ## Frequently asked questions about CoHost RLSFX ### What is CoHost RLSFX used for? CoHost RLSFX is a real-time soundboard designed to provide comedians and content creators with a fast and fun way to deploy sound effects during performances or everyday interactions. ### Does CoHost RLSFX have ads? No, CoHost RLSFX does not contain advertisements. The app is designed for a distraction-free experience, focusing solely on its soundboard functionality. ### What kind of sound effects are included in CoHost RLSFX? The app features a curated selection of 71 copyright-free sound effects, including pet sounds, beats, vaudeville and classic TV stingers, buzzer chaos, and cowbell beats, all chosen for their comedic impact. ### What devices does CoHost RLSFX support? CoHost RLSFX is available for iPhone, iPad, and iPod devices, ensuring a wide range of Apple users can access its features. ### How often is CoHost RLSFX updated? The app was last updated on December 14, 2025, indicating ongoing development and support. The latest version is 1.4. ### What is the age rating for CoHost RLSFX? CoHost RLSFX has an age rating of 17+, suggesting mature content or themes within its sound effects library. ### What is the price of CoHost RLSFX? CoHost RLSFX is available for a one-time purchase of $4.99, offering full access to all its features without ongoing subscription fees. ### What audio technology does CoHost RLSFX use? CoHost RLSFX utilizes pro-grade audio frameworks like AudioKit and Audiobus, ensuring ultra-responsive playback and studio-quality sound for its users. ## Version history (last 4 releases) ### 1.4 — 2025-12-14 New in this Version more Pet Sounds, TV Stingers and Classic comedy Sounds and Scrathes and Samples. ### 1.3 — 2025-08-22 Expanded sound library: Comedy SFX, Pet Sounds, Prank Effects, Vaudeville Comedy, Springer Buzzers, plus Bell Beats Lightning-fast playback with our latest Fast Blast Sound Code update—your punchlines hit instantly ### 1.2 — 2024-01-27 Audiobus and Ableton Link update ### 1.0 — 2022-08-23 No release notes. ## Apps similar to CoHost RLSFX | App | Rating | Price | Category | | --- | --- | --- | --- | | [Big Button Box 2 HD soundboard](https://appshunter.io/ios/app/big-button-box-2-hd-soundboard/id445115532) | 4.5 (40) | Free | Entertainment | | [RRR 2](https://appshunter.io/ios/app/rrr-2/id1439731036) | 5.0 (10) | Free | Entertainment | | [Celebrity Look Alike .app](https://appshunter.io/ios/app/celebrity-look-alike-app/id6737405981) | 4.6 (42) | Free | Entertainment | | [The Kaiju Encyclopedia](https://appshunter.io/ios/app/the-kaiju-encyclopedia/id6472587611) | 4.2 (24) | Free | Entertainment | | [Naughty Or Nice Test Scanner](https://appshunter.io/ios/app/naughty-or-nice-test-scanner/id6748158976) | — | $4.99 | Entertainment | | [Alchemist Rose • for iPad](https://appshunter.io/ios/app/alchemist-rose-for-ipad/id409785647) | 4.8 (5) | Free | Entertainment | ## More apps by Abu Studio Inc - [Reggae Roots Drum Loops](https://appshunter.io/ios/app/reggae-roots-drum-loops/id431952178) - [PowWow Loops](https://appshunter.io/ios/app/powwow-loops/id432756409) - [cymatics drum loops](https://appshunter.io/ios/app/cymatics-drum-loops/id437728569) - [Jazz Drum Loops](https://appshunter.io/ios/app/jazz-drum-loops/id438859110) - [Indie Drum Loops](https://appshunter.io/ios/app/indie-drum-loops/id443833124) - [Christmas Swish and Carols](https://appshunter.io/ios/app/christmas-swish-and-carols/id473055398) All apps by Abu Studio Inc: https://appshunter.io/developer/409934495 ## Related topics [cohost rlsfx](https://appshunter.io/ios/topics/cohost-rlsfx) · [cohost](https://appshunter.io/ios/topics/cohost) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-31.*