Speaker Intercom vs Holler

Easily broadcast audio to any room equipped with a speaker, whether it's a Bluetooth speaker, a speaker that supports AirPlay, Google Cast device, or other compatible hardware Use your phone as a walkie-talkie to connect with other app users that are on the same Wi-Fi network Use the text-to-speech feature to transmit audio generated from text. There are dozens of voice options and sound effects to choose from to generate the audio With the ability to talk over connected speakers, users can remotely communicate to any room in their house that has a compatible speaker. The app conveniently transforms a set of speakers into a robust intercom system. Transmitting audio is easy. Simply press the PTT (Push-To-Talk) button to start or stop transmitting audio to selected speakers. By default, all requests to transmit audio to a peer device must be approved by the device receiving the audio. Setup and control is easy and intuitive. Enjoy seamless audio distribution today!

Talk to every room at once. Holler turns your iPhone into a whole-house intercom. Hold a button — or your iPhone’s Action Button — say your piece, and let go. Your voice plays on the Chromecast and Google Nest speakers you choose, anywhere in the house. No wake words. No “Hey Google.” No yelling up the stairs. Just press, talk, done. MADE FOR FAMILIES “Dinner’s ready.” “Time for school.” “Five minutes!” Reach the whole house — or just the kids’ rooms — in one tap. HOW IT WORKS • Finds the Chromecast / Nest speakers on your Wi-Fi • Group them into rooms and floors • Pick a target — a room, a floor, or Everywhere • Hold to talk; your announcement plays a moment later ACTION BUTTON READY Set your iPhone’s Action Button to Holler and broadcast without even opening the app. PRIVATE BY DESIGN Your voice is sent straight to your speakers over your own Wi-Fi. No account, no servers, no analytics — nothing leaves your network. HOLLER PRO (one-time purchase) Unlock unlimited rooms, floors and groups, saved announcements, scheduling, and multiple Action-Button presets. One purchase covers your whole family (Family Sharing). No subscription. Note: Sonos support on iPhone is coming soon. HomePod and AirPlay speakers aren’t supported, because Apple doesn’t provide a way for apps to broadcast to them.