Comparison

TTHotel vs GDMS

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

Head to head
About

TTHotel

Manage and control smart hotel locks remotely. Adjust settings, update firmware, and cancel access cards for hotel guests. This tool simplifies hotel lock administration.

Highlights
  • Add and manage hotel locks
  • Adjust lock clock settings
  • Update lock firmware
  • Cancel access cards
  • Remote lock control
Features
Read full description

It is the tool of smart hotel system. It can be used to add and manage hotel locks, such as adjusting clock, updating firmware, cancelling cards, and etc.

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.

Screenshots

TTHotel4 screens
GDMS4 screens

Verdict

The call

The clearest difference is rating: GDMS at 4.7 against TTHotel's 3.5. GDMS also leads on review sentiment (50% vs 29%). TTHotel'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 3.5. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 29% of TTHotel's written reviews are positive against 50% of GDMS's.

UpkeepUpdate frequency

TTHotel ships an update every 3 weeks, GDMS every 3 months. The most recent releases landed on September 12, 2026 and August 5, 2026 respectively.

Scorecard3 real differences · 7 level
TTHotel versus GDMS: the parameters behind the verdict, then further details
ParameterTTHotelGDMS
PriceFreeFree
Rating3.5 (4 ratings)4.7 (7 ratings) — better
Positive reviews28.6% of reviews50.0% of reviews — better
Number of ratings47 — better
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better13.0
Further details — not scored
Size77 MB15 MB
Age rating4+4+
DeveloperHangzhou Sciener Smart TechnologyGrandstream

Customer experience

TTHotel

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews7 reviews
Positive28.6%
Neutral14.3%
Negative57.1%

GDMS

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

In-app purchases

None

TTHotel

No in-app purchases

None

GDMS

No in-app purchases

Questions

Is TTHotel free?
TTHotel is free to download, with no in-app purchases.
Is GDMS free?
GDMS is free to download, with no in-app purchases.
Which has better reviews, TTHotel or GDMS?
GDMS is rated higher. TTHotel averages 3.5 out of 5 from 4 ratings, while GDMS averages 4.7 from 7 ratings.
Do TTHotel or GDMS have ads?
Neither TTHotel nor GDMS shows ads.
Which is updated more often, TTHotel or GDMS?
TTHotel ships an update every 3 weeks, and GDMS every 3 months. Most recently, TTHotel was updated on September 12, 2026 and GDMS on August 5, 2026.

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