51车联 vs TCZN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
51车联
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51车联APP不但支持无距离限制控制，还增加了蓝牙功能，在信号质量不好、没有GPRS的情况下，使用蓝牙连接，彻底解决客户带钥匙的繁琐事宜。 主要功能： 远程启动汽车，提前热车/凉车 远程开锁关锁，解决交钥匙问题 远程鸣笛双闪，解决找车麻烦 车辆状态查询，车辆状态随时掌控 车辆位置及轨迹查询等功能。 客服：0755-23243313 技术支持：18018785207
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
Screenshots
Verdict
The clearest difference is update cadence: 51车联 at every 4 weeks against TCZN's every 4 months. TCZN's advantage is iOS requirement (12.0 vs 15.0). 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.
51车联 ships an update every 4 weeks, TCZN every 4 months. Both last shipped on October 29, 2026.
| Parameter | 51车联 | TCZN |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 74 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | 深圳市卓联启航科技有限公司 | Shenzhen Zhongxinyou M2M Technology Co., Ltd. |
In-app purchases
51车联
No in-app purchases
TCZN
No in-app purchases
