CFS运营维护 vs DSP sound master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CFS运营维护
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CFS119-运维中心APP主要用于即时接收联网单位的消防设施运行信息，如：火灾报警，设备故障报警和其他报警等信息，调校防盗视频监控图像进行显示，可对联网建筑和用户信息传输装置的信息进行查询和修改等操作。可随时查看当天的警情信息等特点。 CFS119-运维中心APP可用于对监控管理中心接收到的警情信息分类统计，消防安全管理部门，联网建筑总队，支队，联网单位等操作员可以通过自己的账号登录并查看相关的统计数据。 CFS119-运维中心APP可对火灾救援工作及时的做出反应，合理安排救援步骤与参与人员，及时了解火灾现场周围的救火设备设施的状态与资源情况，查看现场视频图像，并合理地利用。
DSP sound master
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This application use bluetooth communication to control Car DSP player and tune sound setting.
Screenshots
Verdict
CFS运营维护 and DSP sound master are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
CFS运营维护 ships an update every 5 months, DSP sound master every 9 months. The most recent releases landed on May 16, 2026 and April 22, 2026 respectively.
| Parameter | CFS运营维护 | DSP sound master |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 64 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | ChengAnShengBang(BeiJing) Network Technology Co.,Ltd. | 师贤 陈 |
In-app purchases
CFS运营维护
No in-app purchases
DSP sound master
No in-app purchases
