# GDMS vs PowerRoam

The clearest difference is rating: GDMS at 4.7 against PowerRoam's 1.9. GDMS also leads on review sentiment (50% vs 19%). PowerRoam's advantage is update cadence (every 3 weeks vs every 3 months). 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.

GDMS holds the better App Store score, 4.7 against 1.9. Both are backed by a comparable volume of ratings — 7 and 11 respectively. Written reviews point the same way: 50% of GDMS's written reviews are positive against 19% of PowerRoam's.

GDMS ships an update every 3 months, PowerRoam every 3 weeks. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | GDMS | PowerRoam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7 ratings)](https://appshunter.io/ios/app/gdms/id1501322947/reviews)** | [1.9 (11 ratings)](https://appshunter.io/ios/app/powerroam/id1668984348/reviews) |
| Number of ratings | 7 | **11** |
| Positive reviews | **50.0% of reviews** | 19.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 15 MB | 38 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Grandstream](https://appshunter.io/developer/951547763) | [深圳市绿联科技股份有限公司](https://appshunter.io/developer/1489890545) |

## 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


### PowerRoam

[App page](https://appshunter.io/ios/app/powerroam/id1668984348)

Control and monitor UGREEN smart power stations remotely. Perform firmware updates and manage device status in real time. This app offers intuitive management for your smart power solutions.

**Highlights:** Remote control of smart products, Real-time device status monitoring, OTA firmware upgrades, Intuitive interface

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

**In-app purchases:** none


## Frequently asked questions

### Is GDMS free?

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

### Is PowerRoam free?

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

### Which has better reviews, GDMS or PowerRoam?

GDMS is rated higher. GDMS averages 4.7 out of 5 from 7 ratings, while PowerRoam averages 1.9 from 11 ratings.

### Do GDMS or PowerRoam have ads?

Neither GDMS nor PowerRoam shows ads.

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

GDMS ships an update every 3 months, and PowerRoam every 3 weeks. Most recently, GDMS was updated on October 2, 2026 and PowerRoam on October 17, 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.*