# Fiber vs Signal Fire（灼识掌中宝）

The clearest difference is update cadence: Signal Fire（灼识掌中宝） at every 2 months against Fiber's every 83 months. Signal Fire（灼识掌中宝） also leads on review sentiment (100% vs 75%) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fiber ships an update every 83 months, Signal Fire（灼识掌中宝） every 2 months. The most recent releases landed on September 28, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Fiber | Signal Fire（灼识掌中宝） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (13 ratings)](https://appshunter.io/ios/app/fiber/id593298730/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 83 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 3 MB | 45 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gerry Cardinal III](https://appshunter.io/developer/593298733) | [SIGNAL FIRE TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1002338331) |

## What reviewers say

### Fiber

[App page](https://appshunter.io/ios/app/fiber/id593298730)

A utility application designed to assist professional communications technicians in servicing fiber optic networks. It provides essential tools for efficient network management and troubleshooting.

**Highlights:** Fiber network servicing, Professional communication tools, Network management, Troubleshooting assistance

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Signal Fire（灼识掌中宝）

[App page](https://appshunter.io/ios/app/signal-fire/id1002338332)

This utility app connects to an automatic optical fiber fusion splicer via Wi-Fi. It offers precise control for splicing single-mode and multimode optical fibers, with features like voice broadcast and adjustable splicing modes for enhanced accuracy.

**Highlights:** Wi-Fi connectivity to fusion splicer, Single-mode and multimode fiber splicing, Accurate voice broadcast of fiber face judgment, Normal and high-accuracy splicing modes, Discharge calibration for precise splicing

**In-app purchases:** none


## Frequently asked questions

### Is Fiber free?

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

### Is Signal Fire（灼识掌中宝） free?

Signal Fire（灼识掌中宝） is free to download, with no in-app purchases.

### Do Fiber or Signal Fire（灼识掌中宝） have ads?

Neither Fiber nor Signal Fire（灼识掌中宝） shows ads.

### Which is updated more often, Fiber or Signal Fire（灼识掌中宝）?

Fiber ships an update every 83 months, and Signal Fire（灼识掌中宝） every 2 months. Most recently, Fiber was updated on September 28, 2026 and Signal Fire（灼识掌中宝） on September 15, 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.*