DFU Plus vs KD DFU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
KD DFU
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A utility to do the door lock firmware upgrade
Screenshots
Verdict
The clearest difference is update cadence: KD DFU at every 2 months against DFU Plus's every 6 months. 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.
DFU Plus ships an update every 6 months, KD DFU every 2 months. The most recent releases landed on September 15, 2026 and September 26, 2026 respectively.
| Parameter | DFU Plus | KD DFU |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Lanke Xuntong Technology Co., Ltd. | Guangzhou Kuodao Internet of Things Technology Co., Ltd. |
In-app purchases
DFU Plus
No in-app purchases
KD DFU
No in-app purchases
