# GGMM vs SoundMaster Pro

The clearest difference is in-app purchases: GGMM at none against SoundMaster Pro's 1. GGMM also leads on ads (none vs shown) and iOS requirement (10.0 vs 13.0). SoundMaster Pro's advantage is update cadence (every 6 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. SoundMaster Pro sells 1 in-app purchase, starting at $11.99 per year. GGMM asks for nothing beyond the download.

GGMM ships an update every 2 months, SoundMaster Pro every 6 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | GGMM | SoundMaster Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (14 ratings)](https://appshunter.io/ios/app/ggmm-e-series/id1049225684/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 41.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 145 MB | 47 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [GGMM International Co., Ltd.](https://appshunter.io/developer/792995699) | [Mon Local Technique](https://appshunter.io/developer/6793937814) |

## What reviewers say

### GGMM

[App page](https://appshunter.io/ios/app/ggmm-e-series/id1049225684)

Control and manage your GGMM E series speakers, including E2, E3, and E5 models. Connect speakers to Wi-Fi, control playback remotely, utilize voice login for interactive commands, and manage device settings like firmware upgrades.

**Highlights:** Wi-Fi network connection, Remote speaker control, Synchronized playback, Voice login and control, Device management, Firmware upgrades

**Features:** macOS Compatibility

**In-app purchases:** none


### SoundMaster Pro

[App page](https://appshunter.io/ios/app/soundmaster-pro/id6793937812)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sound Master Pro — Full Access | $11.99 | per year |


## Frequently asked questions

### Is GGMM free?

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

### Is SoundMaster Pro free?

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

### Do GGMM or SoundMaster Pro have ads?

SoundMaster Pro shows ads; GGMM does not.

### Which is updated more often, GGMM or SoundMaster Pro?

GGMM ships an update every 2 months, and SoundMaster Pro every 6 days. Most recently, GGMM was updated on November 2, 2026 and SoundMaster Pro on October 31, 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.*