Comparison

GDMS vs Unit Converter.

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
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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.

About

Unit Converter.

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One value. Every unit. Enter a number and choose its unit. See every result without choosing a target unit. From inches to centimeters, Fahrenheit to Celsius, or ounces to grams, Unit Converter. makes everyday conversions simple, whether you're shopping, cooking, or traveling. ■ See every result at once. Results for every unit in the selected category update as you type. For individual conversions, swap the from and to units or copy the result with one tap. ■ Pin your everyday conversions. Tap a saved result to restore its category, units, and value. Your last input is also restored when you reopen the app. ■ Anytime. Anywhere. Ready to convert. Once installed, conversions and pins work offline. No ads. No sign-up. Choose Light, Dark, or Auto. Auto follows your device's appearance settings. ■ 12 categories Length, weight, temperature, volume, speed, time, energy, pressure, area, angle, data storage, and fuel efficiency. Includes Japanese area units such as tsubo and jo (tatami).

Screenshots

GDMS4 screens
Unit Converter.3 screens

Verdict

The call

The clearest difference is update cadence: Unit Converter. at weekly against GDMS's every 3 months. On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

GDMS ships an update every 3 months, Unit Converter. weekly. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 9 level
GDMS versus Unit Converter.: the parameters behind the verdict, then further details
ParameterGDMSUnit Converter.
PriceFreeFree
Rating4.7 (7 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size15 MB19 MB
Age rating4+4+
DeveloperGrandstreamCLYR Inc.

In-app purchases

None

GDMS

No in-app purchases

None

Unit Converter.

No in-app purchases

Questions

Is GDMS free?
GDMS is free to download, with no in-app purchases.
Is Unit Converter. free?
Unit Converter. is free to download, with no in-app purchases.
Do GDMS or Unit Converter. have ads?
Neither GDMS nor Unit Converter. shows ads.
Which is updated more often, GDMS or Unit Converter.?
GDMS ships an update every 3 months, and Unit Converter. weekly. Most recently, GDMS was updated on October 2, 2026 and Unit Converter. on October 8, 2026.

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