# Skylink vs DFU Plus

The clearest difference is update cadence: Skylink at every 2 months against DFU Plus's every 6 months. DFU Plus's advantage is iOS requirement (13.0 vs 17.2). On price, ads, in-app purchases and device support there is nothing between them.

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

Skylink ships an update every 2 months, DFU Plus every 6 months. Both last shipped on October 2, 2026.

## The numbers

| Metric | Skylink | DFU Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skylink/id696882097/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | — |
| Size | 6 MB | 9 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sunshine Electronic Display Corporation](https://appshunter.io/developer/696882100) | [Shenzhen Lanke Xuntong Technology Co., Ltd.](https://appshunter.io/developer/640898259) |

## What reviewers say

### Skylink

[App page](https://appshunter.io/ios/app/skylink/id696882097)

Manage your digital signage with this app. View signs on a map, check current values, locate errors, and update configurations remotely. Designed for customers of a specific electronic display corporation.

**Highlights:** Digital map view of signs, View current sign values, Locate sign errors, Change sign configuration, Update sign values

**Features:** macOS Compatibility

**In-app purchases:** none


### DFU Plus

[App page](https://appshunter.io/ios/app/dfu-plus/id1535944293)

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

**In-app purchases:** none


## Frequently asked questions

### Is Skylink free?

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

### Is DFU Plus free?

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

### Do Skylink or DFU Plus have ads?

Neither Skylink nor DFU Plus shows ads.

### Which is updated more often, Skylink or DFU Plus?

Skylink ships an update every 2 months, and DFU Plus every 6 months. Most recently, Skylink was updated on October 2, 2026 and DFU Plus on October 2, 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.*