Best G21 Smart Home Apps

250+ iOS apps curated and reviewed

4.0 avg rating

20 free apps

Updated September 2026

If you already know G21 Smart Home, this is the deeper bench. 250+ g21 smart home apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top G21 Smart Home Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	G21 Smart Home	Free	—	No	No	May 2026
2	GHome - GHome Smart	Free	4.8★ (80K)	No	No	Sep 2026
3	Home Assistant	Free	4.7★ (3.9K)	No	No	Sep 2026
4	Hubspace	Free	4.8★ (218K)	No	No	Sep 2026
5	SmartHome (MSmartHome)	Free	4.7★ (19K)	No	No	Sep 2026
6	SmartHQ	Free	4.6★ (87K)	Yes	No	Sep 2026
7	SmartRent	Free	4.7★ (117K)	No	No	Sep 2026
8	Govee Home	Free	4.2★ (10K)	No	No	Sep 2026

Top Picks for G21 Smart Home

#1

G21 Smart Home by PENTA CZ s.r.o.

Editor's Choice

0.0(0 ratings)

Free

G21 Smart Home screenshot 1

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G21 Smart Home screenshot 3

#2

GHome - GHome Smart by Shenzhen Gosund Technology Co., Ltd.

GHome

Strong Contender

4.8😐(80K ratings)

Free

GHome - GHome Smart screenshot 1

GHome - GHome Smart screenshot 2

GHome - GHome Smart screenshot 3

GHome - GHome Smart screenshot 4

GHome - GHome Smart screenshot 5

Control your smart home devices remotely, saving energy and enjoying convenience. Manage multiple appliances from one app, with support for voice assistants and intelligent automation based on your environment. Share access with family for a connected smart living experience.

What We Love

🚀 Easy setup
👍 Works well with Alexa
📱 Convenient remote control
🌈 Good color options
🕰️ Useful scheduling features

Room to Improve

🐛 Connectivity issues
🔄 Unreliable automation
💸 Constant ads and upselling
🤖 Poor app performance
🔌 Compatibility problems with WiFi

#3

Home Assistant by Nabu Casa, Inc

Open Source Home Automation

Worth Considering

4.7(3.9K ratings)

Free

Home Assistant screenshot 1

Home Assistant screenshot 2

Home Assistant screenshot 3

Home Assistant screenshot 4

Home Assistant screenshot 5

Control your entire smart home from one app, locally and privately. Automate devices, receive notifications, and manage your home's data securely. Integrates with thousands of smart devices and open standards.

More G21 Smart Home apps to explore

A Smarter Home in Seconds

Easily set up and manage your smart home devices. Organize products by room, create schedules, and control settings remotely. Integrates with popular voice assistants for a seamless smart living experience.

Device setupRemote managementRoom organization

SmartHome (MSmartHome)

SmartHome (MSmartHome)

SmartHome (MSmartHome)

by ShenZhen Shuzhi Scene Positioning Technology Co., Ltd.

Control and monitor smart home appliances from various brands remotely and with voice commands. Receive important notifications and set up helpful automations to simplify daily tasks. Customize your device controls for quick access.

Remote app controlVoice control integrationAppliance status monitoring

by HAIER US APPLIANCE SOLUTIONS, INC

Control and monitor smart appliances from multiple brands in one app. Receive notifications, update software, and personalize settings. Get expert help and track energy usage.

Remote appliance controlAppliance notificationsSoftware updates

free with in-app purchases

by Smartrent.com, LLC

Control your home remotely with this app. Manage door locks, thermostats, and create custom schedules for energy savings. Grant temporary access codes and automate routines for ultimate convenience.

Remote lock/unlock and thermostat controlCustom thermostat schedulesTime-bound access codes

by Shenzhen Intellirocks Tech Co. Ltd.

Control and manage your smart devices with ease. Connect new devices quickly, explore vibrant lighting effects, and stay updated on the latest technology. Offers efficient customer service and optional integration with Apple Health for syncing body data.

Real-time device status checkQuick new device connectionArtistic lighting effects

Your home in your hands

Manage your smart home devices and stay updated on home activity. Easily control devices with voice commands and view live camera feeds. Organize your home into custom dashboards for quick access.

Home status overviewDevice grouping into dashboardsLive camera view and history

by HESUNG INNOVATION LIMITED

Control all your smart devices from one place with this intuitive app. Enjoy top-tier cloud security and smart remote features for a simpler, more secure living experience.

Unified device managementTop-tier cloud securitySmart remote operations

Security Camera: Smart Home

Security Camera: Smart Home

Security Camera: Smart Home

Device Scan, Home Monitor App

This app helps you ensure you don't leave essential devices behind when you go out. It scans for Bluetooth and WiFi devices, allowing you to create personalized checklists and receive smart alerts.

Leave-Home Checklist creationBluetooth device scanningWiFi device discovery

free with in-app purchases

by LG Electronics, Inc.

Control and manage your LG smart home appliances from anywhere. This app offers smart care, automation, energy monitoring, and direct access to troubleshooting and service requests for your connected devices.

Remote appliance controlSmart home automation routinesEnergy consumption monitoring

free with in-app purchases

SMART-BUS G4 SmartHome

SMART-BUS G4 SmartHome

SMART-BUS G4 SmartHome

smartg4 smartbus smarthome

Manage your smart home devices with comprehensive control over lighting, climate, audio, security, and more. This application works with specific Generation 4 Smart-BUS Automation Hardware, primarily for systems powered by S-Cloud.

Lighting controlClimate and temperature managementScene and mood settings

by Quanzhou Delun Mark Trading Co., Ltd

Gira Smart Home

Gira Smart Home

Gira Smart Home

by Gira Giersiepen GmbH & Co KG

Control your home's smart devices remotely with an intuitive interface. Manage lighting, heating, blinds, and view camera feeds. Personalize your home view and set custom timers for automated functions.

Remote home controlLighting and dimmingShutter and blind control

The Eco-Brain for Your Home

G-Think Inventors

SMART G4 Home AutomationBUS-HD

SMART G4 Home AutomationBUS-HD

SMART G4 Home AutomationBUS-HD

by Smarthome Control LLC

This app provides comprehensive control over smart home automation systems, specifically for Generation 4 Smart-BUS hardware powered by S-Cloud. Manage lighting, dimming, entertainment systems, and climate control with ease.

Complete smart home controlLighting and dimming managementTV, DVD, and audio control

Control your home appliances like lighting, plugs, and heaters remotely. Schedule device operation, customize settings, and receive notifications for peace of mind. Manage all your smart devices from anywhere, anytime.

Remote device controlScheduling and timersCustomizable lighting effects

by Samsung Electronics Co., Ltd.

Connect and control Samsung home appliances remotely via your smartphone. Monitor appliance status, adjust settings, and access customer support from anywhere.

Connect Samsung appliancesRemote monitoringDevice control

FAQ about G21 Smart Home

Are there free g21 smart home apps for iPhone?

Yes — 20 of the top g21 smart home apps we rank are free to download, including G21 Smart Home and GHome - GHome Smart.

Does G21 Smart Home have ads or in-app purchases?

G21 Smart Home has no ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many g21 smart home apps are on the App Store?

We track 250+ g21 smart home apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.