TCZN vs CDDK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TCZN
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车辆obd数据检测.故障码查看, 查看车辆实时定位,和历史轨迹,电子围栏报警等功能
CDDK
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使用CCDK手机APP或者遥控钥匙，远程启动允许您在车辆外面启动引擎；此外，远程启动根据您的空调预设温度激活,为您提供一个舒适的车内环境；另外，远程启动在寒冷的天气可以通过预设空调出风口方向和空调温度，清理挡风玻璃上的霜和雾和雪。作为便利，APP可以远程打开门锁和上锁以及开启后备箱等功能，在你离开车辆时，依旧可以为家人打开，方便取车上的物品；同时APP为你提供车辆的保养和保险等时间里程记录，你可以在预设之后，在APP里面看到这些信息。 APP是你的车辆秘书，我们会努力在安全和实用上提供后期可能的升级。
Screenshots
Verdict
The clearest difference is iOS requirement: TCZN at 12.0 against CDDK's 15.6. On price, update cadence, ads and in-app purchases 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.
TCZN ships an update every 4 months, CDDK every 3 months. The most recent releases landed on February 21, 2026 and September 9, 2026 respectively.
| Parameter | TCZN | CDDK |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 54 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Zhongxinyou M2M Technology Co., Ltd. | 深圳市创艺慧云信息有限公司 |
In-app purchases
TCZN
No in-app purchases
CDDK
No in-app purchases
