KD DFU vs ClickDFU
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
KD DFU
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A utility to do the door lock firmware upgrade
ClickDFU
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Support for upgrading the specified firmware program for the Bluetooth module;
Screenshots
Verdict
KD DFU and ClickDFU are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.
| Parameter | KD DFU | ClickDFU |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 โ better | 13.0 |
| Further details โ not scored | ||
| Size | 26 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangzhou Kuodao Internet of Things Technology Co., Ltd. | Shenzhen Lanke Xuntong Technology Co., Ltd. |
In-app purchases
KD DFU
No in-app purchases
ClickDFU
No in-app purchases






