# GDMS vs Calbeer

The clearest difference is update cadence: Calbeer at every 3 weeks against GDMS's every 3 months. GDMS's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

GDMS ships an update every 3 months, Calbeer every 3 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | GDMS | Calbeer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7 ratings)](https://appshunter.io/ios/app/gdms/id1501322947/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 15 MB | 2 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Grandstream](https://appshunter.io/developer/951547763) | [HIROYUKI TSUJI](https://appshunter.io/developer/1527877075) |

## What reviewers say

### GDMS

[App page](https://appshunter.io/ios/app/gdms/id1501322947)

This app offers centralized, secure management for Grandstream audio/video products. Administrators can easily add devices by scanning codes, configure accounts, upgrade firmware, and receive real-time alerts about device status.

**Highlights:** Scan code to add devices, Configure accounts, Upgrade device firmware, Remote device start, Real-time device monitoring, Push alert messages

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

**In-app purchases:** none


### Calbeer

[App page](https://appshunter.io/ios/app/calbeer/id6450165260)

**In-app purchases:** none


## Frequently asked questions

### Is GDMS free?

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

### Is Calbeer free?

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

### Do GDMS or Calbeer have ads?

Neither GDMS nor Calbeer shows ads.

### Which is updated more often, GDMS or Calbeer?

GDMS ships an update every 3 months, and Calbeer every 3 weeks. Most recently, GDMS was updated on November 3, 2026 and Calbeer on October 27, 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.*