# TTHotel vs GDMS

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.

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 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.

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.

## The numbers

| Metric | TTHotel | GDMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (4 ratings)](https://appshunter.io/ios/app/tthotel/id1440266680/reviews) | **[4.7 (7 ratings)](https://appshunter.io/ios/app/gdms/id1501322947/reviews)** |
| Number of ratings | 4 | **7** |
| Positive reviews | 28.6% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 77 MB | 15 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Sciener Smart Technology](https://appshunter.io/developer/1360996795) | [Grandstream](https://appshunter.io/developer/951547763) |

## What reviewers say

### TTHotel

[App page](https://appshunter.io/ios/app/tthotel/id1440266680)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*