Comparison

GDMS vs PowerRoam

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Scan code to add devices
  • Configure accounts
  • Upgrade device firmware
  • Remote device start
  • Real-time device monitoring
  • Push alert messages
Features
Read full description

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.

About

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.

Highlights
  • Remote control of smart products
  • Real-time device status monitoring
  • OTA firmware upgrades
  • Intuitive interface
Features
Read full description

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

GDMS4 screens
PowerRoam3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
GDMS versus PowerRoam: the parameters behind the verdict, then further details
ParameterGDMSPowerRoam
PriceFreeFree
Rating4.7 (7 ratings) — better1.9 (11 ratings)
Positive reviews50.0% of reviews — better19.0% of reviews
Number of ratings711 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size15 MB38 MB
Age rating4+4+
DeveloperGrandstream深圳市绿联科技股份有限公司

Customer experience

GDMS

All ratings7 ratings
Positive85.7%
Neutral14.3%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

PowerRoam

All ratings11 ratings
Positive18.2%
Neutral0.0%
Negative81.8%
Written reviews21 reviews
Positive19.0%
Neutral4.8%
Negative76.2%

In-app purchases

None

GDMS

No in-app purchases

None

PowerRoam

No in-app purchases

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 9, 2026.

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