Comparison

Home Flex vs eCall C

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

Head to head
About

Home Flex

Take full command of your home's music, lighting, climate, and more. Create custom scenes for instant ambiance and enjoy 24/7 automated control. Manage access for guests and utilize quick widget controls without unlocking your device.

Highlights
  • Scene setting and customization
  • 24/7 automated smart home operation
  • Remote control panel modification
  • Widget for quick scene activation
  • Guest access privileges management
  • Control music, lighting, blinds, A/C, heating
Features
Read full description

Home Flex是一款全新的APP,您可以完全控制家中的音乐、灯光、窗帘、空调、地暖…… 打开Home Flex,扫描对应的二维码,真正开始掌控您的家。 【主要亮点】 · 场景设定——按您的习惯任意更改及设定场景,即时生效,随心所欲定制智能生活。 · 智能屋——随心设置,完全自动运转,全天服务的智能管家。 · 免上门修改控制面板——改变传统上门服务方式,随时待命的后台服务 · widget控制——无需解锁,快捷启动场景模式 · 访客权限——住宅控制大权由您掌握 【关注我们】 官方网站:http://www.e-tech.net.cn/index.php 官方微信:上海亦迅机电系统公司etech Home Flex is a revolutionary App that lets you control your home’s music, lighting, blinds, A/C, floor heating and more. Just open Home Flex, scan the corresponding QR code and really start taking control of your home. 【Highlight Features】 · Set Scenes – easily set scenes based on your habits and preferences. Changes are immediate. Customise your home automation to your pleasure. · Smart Home – set-up as desired and enjoy a fully automated 24/7 housekeeper. · No Need For On-Site Service – change the traditional servicing approach. Switches' control functions can be reassigned remotely by our call centre staff. · Widget Control – quick access to scenes mode without need to unlock device. · Guest Privileges – control the level of access you grant others to the system. 【About Us】 Official Website: http://www.e-tech.net.cn/index.php Official WeChat Account: 上海亦迅机电系统公司etech

About

eCall C

Features
Read full description

OTIS eCall C can call elevator via Bluetooth. The elevator would be summoned when you trigger "up & down" button in app, and then you can register the destination floor when you get into the cabin via app. Before calling elevator, you need to add OTIS elevator in the APP in advance, and enable your mobile Bluetooth. KEY FEATURES: -Summon elevator and select destination floor -Add multiple buildings and change whenever you need.

Screenshots

Home Flex3 screens
eCall C4 screens

Verdict

The call

The clearest difference is update cadence: Home Flex at every 6 weeks against eCall C's every 3 months. eCall C's advantage is iOS requirement (12.0 vs 14.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Home Flex ships an update every 6 weeks, eCall C every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 7 level
Home Flex versus eCall C: the parameters behind the verdict, then further details
ParameterHome FlexeCall C
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 6 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size116 MB34 MB
Age rating4+17+
DeveloperShanghai E-tech Solution Co., Ltd.Otis High Rise Elevator (Shanghai) Co.,Ltd.

In-app purchases

None

Home Flex

No in-app purchases

None

eCall C

No in-app purchases

Questions

Is Home Flex free?
Home Flex is free to download, with no in-app purchases.
Is eCall C free?
eCall C is free to download, with no in-app purchases.
Do Home Flex or eCall C have ads?
Neither Home Flex nor eCall C shows ads.
Which is updated more often, Home Flex or eCall C?
Home Flex ships an update every 6 weeks, and eCall C every 3 months. Most recently, Home Flex was updated on November 2, 2026 and eCall C on November 3, 2026.

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