# Mumble vs Rattlegram

The clearest difference is rating: Rattlegram at 4.5 against Mumble's 3.2. Rattlegram also leads on review sentiment (90% vs 67%). Mumble's advantage is update cadence (every 4 months vs every 9 months) and iOS requirement (8.0 vs 17.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rattlegram holds the better App Store score, 4.5 against 3.2. Both are backed by a comparable volume of ratings — 61 and 23 respectively. Written reviews point the same way: 67% of Mumble's written reviews are positive against 90% of Rattlegram's.

Mumble ships an update every 4 months, Rattlegram every 9 months. The most recent releases landed on August 12, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Mumble | Rattlegram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (61 ratings)](https://appshunter.io/ios/app/mumble/id443472808/reviews) | **[4.5 (23 ratings)](https://appshunter.io/ios/app/rattlegram/id1664526096/reviews)** |
| Number of ratings | **61** | 23 |
| Positive reviews | 67.1% of reviews | **90.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 8 MB | 1 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mikkel Krautz](https://appshunter.io/developer/392493641) | [aicodix GmbH](https://appshunter.io/developer/1664526098) |

## What reviewers say

### Mumble

[App page](https://appshunter.io/ios/app/mumble/id443472808)

This application offers high-quality, low-latency group voice chat for mobile devices. Connect to public or self-hosted servers to communicate with friends and other users globally. Enjoy features like push-to-talk, voice activation, and secure, encrypted connections.

**Highlights:** High quality, low latency voice chat, Access to thousands of public servers, SSL/TLS encryption, Push-to-Talk and Voice Activated modes, Text messaging, Echo cancellation, Bluetooth headset support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great app
- 🚀 Works flawlessly
- 🚀 Excellent iOS implementation
- 🚀 Intuitive controls
- 🚀 Functioning in background

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Audio issues (static, cutting out)
- 🔋 Heating up device
- 🔒 Lack of security features (no mute/kick/ban)

**Reported bugs**

- Incompatible with newer iOS versions
- Inability to connect to servers
- Freezing on login screen
- Disconnects when switching networks

**Requested features**

- Push-to-talk option
- Bluetooth headset support
- Noise cancellation
- Admin/moderation features
- iPad-optimized UI


### Rattlegram

[App page](https://appshunter.io/ios/app/rattlegram/id1664526096)

This app utilizes advanced COFDM technology for audio-based SMS transmission. It supports various modes with specific encoding and modulation techniques, requiring minimal bandwidth for efficient data transfer.

**Highlights:** COFDM technology, Audio-based SMS, 160 ms OFDM symbols, Differential PSK modulation, Forward error correction, Low bandwidth requirement

**In-app purchases:** none


## Frequently asked questions

### Is Mumble free?

Mumble is free to download, with no in-app purchases.

### Is Rattlegram free?

Rattlegram is free to download, with no in-app purchases.

### Which has better reviews, Mumble or Rattlegram?

Rattlegram is rated higher. Mumble averages 3.2 out of 5 from 61 ratings, while Rattlegram averages 4.5 from 23 ratings.

### Do Mumble or Rattlegram have ads?

Neither Mumble nor Rattlegram shows ads.

### Which is updated more often, Mumble or Rattlegram?

Mumble ships an update every 4 months, and Rattlegram every 9 months. Most recently, Mumble was updated on August 12, 2026 and Rattlegram on September 8, 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.*