Skylink vs DFU Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Skylink
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.
- Digital map view of signs
- View current sign values
- Locate sign errors
- Change sign configuration
- Update sign values
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Skylink is an application for customers of Sunshine Electronic Display Corporation to manage their signage using Sunshine’s proprietary technology. Customers will be able to view their signs on a digital map, see current values of signs, locate sign errors, change configuration, and update values.
DFU Plus
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This application is mainly designed for Bluetooth hardware devices developed by Freqchina. It is a tool application made for device upgrading. With this application, you can upgrade Bluetooth devices remotely or locally, and it also supports signal value filtering and name filtering. For more information, please contact: shenzhen@freqchina.com.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Skylink | DFU Plus |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Sunshine Electronic Display Corporation | Shenzhen Lanke Xuntong Technology Co., Ltd. |
In-app purchases
Skylink
No in-app purchases
DFU Plus
No in-app purchases









