GDMS vs PowerRoam
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GDMS
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.
- Scan code to add devices
- Configure accounts
- Upgrade device firmware
- Remote device start
- Real-time device monitoring
- Push alert messages
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GDMS mobile application provides centralized, secure and zero-operation management methods and solutions for Grandstream audio/video products users. The device administrators can work on mobile devices by scanning the codes to add devices, configure accounts/upgrade devices firmware quickly, and the alert messages can be pushed to mobile client. Including: 1. Scan code to add device: Support to scan the barcodes of a batch of devices to add the devices to GDMS platform. 2. Manage device: Support to configure accounts for devices, upgrade devices firmware, and start the devices remotely. 3. Monitor device in real-time: Push the device registration, abnormal status, alert messages to mobile management client.
PowerRoam
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.
- Remote control of smart products
- Real-time device status monitoring
- OTA firmware upgrades
- Intuitive interface
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UGREEN is an intuitive mobile app for managing smart products such as UGREEN power stations. It allows users to remotely control UGREEN smart products, monitor device status in real time, and perform OTA firmware upgrades, etc.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 9, 2026 respectively.
| Parameter | GDMS | PowerRoam |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (7 ratings) — better | 1.9 (11 ratings) |
| Positive reviews | 50.0% of reviews — better | 19.0% of reviews |
| Number of ratings | 7 | 11 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Grandstream | 深圳市绿联科技股份有限公司 |
Customer experience
GDMS
PowerRoam
In-app purchases
GDMS
No in-app purchases
PowerRoam
No in-app purchases









