# Signalfire2 vs GDMS

The clearest difference is rating: GDMS at 4.7 against Signalfire2's 3.4. GDMS also leads on review sentiment (50% vs 27%) and device support (3 vs 1). Signalfire2's advantage is update cadence (every 11 days 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 3.4. Both are backed by a comparable volume of ratings — 9 and 7 respectively. Written reviews point the same way: 27% of Signalfire2's written reviews are positive against 50% of GDMS's.

Signalfire2 ships an update every 11 days, GDMS every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Signalfire2 | GDMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (9 ratings)](https://appshunter.io/ios/app/signalfire2/id1250308443/reviews) | **[4.7 (7 ratings)](https://appshunter.io/ios/app/gdms/id1501322947/reviews)** |
| Number of ratings | **9** | 7 |
| Positive reviews | 26.7% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 months |
| Monetization | Free | Free |
| Size | 37 MB | 15 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SIGNAL FIRE TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1002338331) | [Grandstream](https://appshunter.io/developer/951547763) |

## What reviewers say

### Signalfire2

[App page](https://appshunter.io/ios/app/signalfire2/id1250308443)

This utility app connects to fiber optical fusion splicers via Bluetooth, allowing for seamless data transmission to your mobile device. It enables synchronized updates of splicing machine settings directly from your phone's parameter settings.

**Highlights:** Bluetooth connectivity to fusion splicers, Real-time data transmission, Synchronized setting updates, Parameter configuration, Mobile device control

**Features:** 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 Signalfire2 free?

Signalfire2 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, Signalfire2 or GDMS?

GDMS is rated higher. Signalfire2 averages 3.4 out of 5 from 9 ratings, while GDMS averages 4.7 from 7 ratings.

### Do Signalfire2 or GDMS have ads?

Neither Signalfire2 nor GDMS shows ads.

### Which is updated more often, Signalfire2 or GDMS?

Signalfire2 ships an update every 11 days, and GDMS every 3 months. Most recently, Signalfire2 was updated on October 24, 2026 and GDMS on October 24, 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.*