vKey+ vs 城投一卡通
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
vKey+
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This application is a special application for the "Car Keeper 1" vKey function. The owner provides a key link to a third-party user. Through this application, the Bluetooth connection of the mobile phone can control the car door lock.
城投一卡通
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城投一卡通 为使用一卡通的用户提供的手机端查询功能。 用户可以通过App,查询访客邀请以及各种会议、访客的记录查询功能。
Screenshots
Verdict
The clearest difference is update cadence: 城投一卡通 at every 10 days against vKey+'s every 3 weeks. vKey+'s advantage is iOS requirement (9.0 vs 11.0). 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.
vKey+ ships an update every 3 weeks, 城投一卡通 every 10 days. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | vKey+ | 城投一卡通 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 4 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | IVTES LTD. | Shenzhen Dashi Iot Technology Co.,Ltd |
In-app purchases
vKey+
No in-app purchases
城投一卡通
No in-app purchases









