Holler: Microphone for Sonos
Voice Intercom & Announcements
About
Transform your Sonos speakers into a whole-home intercom system. Broadcast live messages, record and send announcements, or play pre-made sounds across one room or many. It's designed for privacy, working locally on your Wi-Fi without accounts or tracking.
What's New in Holler
1.0.1
October 5, 2026
Holler now fills your iPad. Bigger rooms, a bigger Talk button and a soundboard sized for the big screen, all in one clean column. Pick one room or the whole house, then just talk. Live, recorded or a ready-made sound, and your music picks right back up afterwards.
MoreSubscriptions & In-App Purchases
$2.99
Holler Pro
Unlock every Holler feature forever.
Developer apps
FAQ
What is Holler?
Holler turns your Sonos speakers into a whole-home intercom. You can broadcast live, record messages, or play sounds across multiple rooms. It's designed for privacy and works locally on your Wi-Fi network.
How does Holler work with Sonos?
Holler temporarily groups compatible Sonos rooms to synchronize announcements. Once a broadcast ends, it restores your speakers' previous grouping, playback, and volume settings. It requires compatible Sonos speakers on your Wi-Fi.
Does Holler have ads?
No, Holler does not have advertisements. The app is designed to be private and does not include tracking or advertising.
What are the different ways to be heard with Holler?
Holler offers three modes: 'Live' for continuous microphone connection, 'Message' to record and send short announcements, and 'Sounds' to play pre-made household, attention, or ambience sounds.
Is Holler available on Android?
Currently, Holler is only available for iPhone and iPad. It requires compatible Sonos speakers on a network your iOS device can reach.
How much does Holler cost?
Holler offers a seven-day free trial of all features. After the trial, a one-time lifetime purchase unlocks the app permanently, with no subscription required.
Can Holler group Sonos S1 and S2 systems together?
No, Holler keeps Sonos S1 and S2 systems separate. They cannot be grouped together by the app.
Is Holler suitable for emergency warnings?
No, Holler is not an emergency warning or life-safety system. The included alarm and siren sounds are provided for entertainment and attention-getting use only.
