# UVT vs Signalfire2

The clearest difference is review sentiment: UVT at 100% against Signalfire2's 27%. UVT also leads on rating (5.0 vs 3.4) and device support (3 vs 1). Signalfire2's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence 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.

UVT holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 3 and 9 respectively. Written reviews point the same way: 100% of UVT's written reviews are positive against 27% of Signalfire2's.

UVT ships an update every 3 weeks, Signalfire2 every 11 days. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | UVT | Signalfire2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/uvt/id1104674191/reviews)** | [3.4 (9 ratings)](https://appshunter.io/ios/app/signalfire2/id1250308443/reviews) |
| Number of ratings | 3 | **9** |
| Positive reviews | **100.0% of reviews** | 26.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Ad-supported | **Free** |
| Size | 140 MB | 37 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KumpeApps LLC](https://appshunter.io/developer/511666371) | [SIGNAL FIRE TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1002338331) |

## What reviewers say

### UVT

[App page](https://appshunter.io/ios/app/uvt/id1104674191)

This utility app offers detailed notes on essential networking color codes and wiring schemes. It also guides users through configuring static IP addresses on U-verse gateways.

**Highlights:** 25 pair copper color code notes, Fiber optic color code notes, RJ-45 wiring scheme, Static IP addressing setup, U-verse gateway configuration

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is UVT free?

UVT is free to download, with no in-app purchases.

### Is Signalfire2 free?

Signalfire2 is free to download, with no in-app purchases.

### Which has better reviews, UVT or Signalfire2?

UVT is rated higher. UVT averages 5.0 out of 5 from 3 ratings, while Signalfire2 averages 3.4 from 9 ratings.

### Do UVT or Signalfire2 have ads?

UVT shows ads; Signalfire2 does not.

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

UVT ships an update every 3 weeks, and Signalfire2 every 11 days. Most recently, UVT was updated on November 2, 2026 and Signalfire2 on November 6, 2026.

---

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