# Signal (intercom) vs Holler

The clearest difference is rating: Holler at 5.0 against Signal (intercom)'s 4.5. Signal (intercom)'s advantage is in-app purchases (none vs 1) and update cadence (every 2 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Holler sells 1 one-off in-app purchase. Signal (intercom) asks for nothing beyond the download.

Holler holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Signal (intercom) has 14 ratings behind it against 1, so its average is the more settled of the two.

Signal (intercom) ships an update every 2 days, Holler fortnightly. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Signal (intercom) | Holler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (14 ratings)](https://appshunter.io/ios/app/signal-intercom/id1598868014/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/holler-microphone-for-sonos/id6810526797/reviews)** |
| Number of ratings | **14** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 38 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Matthew Takao](https://appshunter.io/developer/1498410355) | [Task One LLC](https://appshunter.io/developer/6809324060) |

## What reviewers say

### Signal (intercom)

[App page](https://appshunter.io/ios/app/signal-intercom/id1598868014)

This app provides a simple intercom system for quick communication. Create or join a "Signal" to use pre-set buttons for instant messaging in specific scenarios, avoiding unnecessary noise or lengthy conversations.

**Highlights:** Create or join communication 'Signals', Use quick communication buttons, Instant messaging for specific scenarios, Minimalist design, Hypothetical use case examples

**Features:** macOS Compatibility

**In-app purchases:** none


### Holler

[App page](https://appshunter.io/ios/app/holler-microphone-for-sonos/id6810526797)

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.

**Highlights:** Whole-home intercom for Sonos, Live microphone broadcasts, Record and send announcements, Play pre-made sounds, Selectable room grouping, Restores previous Sonos settings, Local and private operation

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Holler Pro | $2.99 | one-time |


## Frequently asked questions

### Is Signal (intercom) free?

Signal (intercom) is free to download, with no in-app purchases.

### Is Holler free?

Holler is free to download, with in-app purchases available.

### Which has better reviews, Signal (intercom) or Holler?

Holler is rated higher. Signal (intercom) averages 4.5 out of 5 from 14 ratings, while Holler averages 5.0 from 1 ratings.

### Do Signal (intercom) or Holler have ads?

Neither Signal (intercom) nor Holler shows ads.

### Which is updated more often, Signal (intercom) or Holler?

Signal (intercom) ships an update every 2 days, and Holler fortnightly. Most recently, Signal (intercom) was updated on October 24, 2026 and Holler on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*