KD DFU vs 东成EHS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KD DFU
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A utility to do the door lock firmware upgrade
东成EHS
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强大的数据库、顺畅的运行流畅，更专业、高效的开展安全生产风险分级管控和隐患排查治理等工作的工具平台。
Screenshots
Verdict
The clearest difference is update cadence: 东成EHS at weekly against KD DFU's every 2 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.
KD DFU ships an update every 2 months, 东成EHS weekly. The most recent releases landed on September 26, 2026 and September 19, 2026 respectively.
| Parameter | KD DFU | 东成EHS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 26 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangzhou Kuodao Internet of Things Technology Co., Ltd. | Suzhou Wenku Safety Technology Engineering Co., Ltd |
In-app purchases
KD DFU
No in-app purchases
东成EHS
No in-app purchases
