Comparison

火先知 vs hey

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

火先知

Features
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海康火先知APP主要是以“多维感知、数据共享、业务联动”为建设理念,帮助您随时随地了解单位消防状况,同时当设备探测到安全隐患时,第一时间通知到您,提升重点单位、小微场所、高层住宅、古建筑、出租屋等消防预警能力 为什么要使用火先知: 1.支持报警、故障的实时推送 2.支持快速查看火灾报警的详情,定位报警位置 3.支持液位、水压、电气温度、剩余电流等实时监测能力 4.支持火灾趋势统计功能 5.支持设备故障等分析统计功能 6.支持个人信息的管理

About

hey

Features
Read full description

which can realize remote control of home electrical switch, intelligent light bulb, intelligent camera, and can also be used as a home air conditioner, fan, TV remote control. One app integrates all the remote controls in the home, greatly reducing the trouble of searching for the remote control, and can also receive the door and window sensors, human body sensors, smoke alarms, and nitric oxide in the home remotely Carbon alarm remote push alarm message, immediately know whether there is a thief in the home, gas leakage, carbon monoxide leakage, early warning of dangerous situation, improve the family security level. Heyman smart home can also set intelligent scene mode and device linkage mode, such as setting sleep mode. Before sleeping in bed, you can turn off all lights, TV and curtains in the home with one button. Set the device linkage mode, when you come back to open the door at night, the light bulb in the living room can be turned on immediately, and the air conditioner and TV can also be turned on accordingly, which saves users the trouble of turning on various devices.

Screenshots

火先知3 screens
hey4 screens

Verdict

The call

The clearest difference is in-app purchases: 火先知 at none against hey's 4. 火先知 also leads on update cadence (every 3 weeks vs every 2 months). hey's advantage is iOS requirement (9.0 vs 12.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. hey sells 4 one-off in-app purchases. 火先知 asks for nothing beyond the download.

UpkeepUpdate frequency

火先知 ships an update every 3 weeks, hey every 2 months. The most recent releases landed on September 23, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 4 level
火先知 versus hey: the parameters behind the verdict, then further details
Parameter火先知hey
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.09.0 — better
Further details — not scored
Size123 MB155 MB
Age rating4+4+
DeveloperHikvision Digital Technology Co.,LtdShenzhen Heiman Technology Co., Ltd.

In-app purchases

None

火先知

No in-app purchases

4 purchases

hey

One-time4
  • 存储7天月套餐$1.99
  • 存储30天月套餐$4.99
  • 存储7天年套餐$18.99
Show 1 more
  • 存储30天年套餐$47.99

Questions

Is 火先知 free?
火先知 is free to download, with no in-app purchases.
Is hey free?
hey is free to download, with in-app purchases available.
Do 火先知 or hey have ads?
Neither 火先知 nor hey shows ads.
Which is updated more often, 火先知 or hey?
火先知 ships an update every 3 weeks, and hey every 2 months. Most recently, 火先知 was updated on September 23, 2026 and hey on October 29, 2026.

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