IDOBlueTool vs KD DFU
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
IDOBlueTool
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KD DFU
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A utility to do the door lock firmware upgrade
Screenshots
Verdict
The clearest difference is update cadence: IDOBlueTool at every 3 weeks against KD DFU's every 2 months. IDOBlueTool also leads on iOS requirement (9.0 vs 12.0). 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.
IDOBlueTool ships an update every 3 weeks, KD DFU every 2 months. The most recent releases landed on October 9, 2026 and September 26, 2026 respectively.
| Parameter | IDOBlueTool | KD DFU |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks â better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod â better | iPhone, iPod |
| Requires iOS | 9.0 â better | 12.0 |
| Further details â not scored | ||
| Size | 21 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen DO Intelligent Technology Co., Ltd. | Guangzhou Kuodao Internet of Things Technology Co., Ltd. |
In-app purchases
IDOBlueTool
No in-app purchases
KD DFU
No in-app purchases
