VAA9 vs 昌黎市民通
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VAA9
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这是一款专业的视频监控软件，在您购买了对应的监控设备之后，可以轻松的通过app观看您监控设备上的图像，以及对您的监控设备进行远程配置操作。 扫描二维码在app上添加设备，简单易用。 秒级的登录以及出图像速度，画面丝滑流畅。 随时随地查看任意时段的本地录像片段。 一台设备分享多人观看。
昌黎市民通
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"昌黎市民通"是一款专注于燃气行业的应用程序，旨在为用户提供便捷的燃气服务体验。通过该应用用户可以方便地下单预约服务，享受高效、专业的燃气服务。无论是日常安检、紧急维修还是设备安装，"昌黎市民通"都致力于为用户提供优质的服务，让用户在使用燃气设施时更加放心和安心。
Screenshots
Verdict
The clearest difference is update cadence: 昌黎市民通 at every 10 days against VAA9's every 6 weeks. VAA9's advantage is iOS requirement (12.2 vs 15.6). 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.
VAA9 ships an update every 6 weeks, 昌黎市民通 every 10 days. Both last shipped on October 4, 2026.
| Parameter | VAA9 | 昌黎市民通 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.2 — better | 15.6 |
| Further details — not scored | ||
| Size | 62 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | 国强 孙 | 河北科艺智慧能源发展有限公司 |
In-app purchases
VAA9
No in-app purchases
昌黎市民通
No in-app purchases
