Best O3 Alarm alternatives: apps like O3 Alarm

9+ similar apps compared and reviewed

4.7 avg rating

9 free apps

Updated November 2026

O3 Alarm

Chuango Security Technology Corporation

🔧 Utilities

🌟 Lifestyle

O3 Alarm is great, but it's not the only option. Explore 9+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to O3 Alarm

Olympia Core by Olympia Electronics

Editor's Choice

🔧 Utilities

0.0(0 ratings)

Free

AlarmSMS Controller by George Alexandrou

GSM Security Control

Strong Contender

🔧 Utilities

0.0(0 ratings)

FreeIn-App Purchases

myLumenHaus by LumenHaus GmbH

Worth Considering

🔧 Utilities

5.0(2 ratings)

Free

Take full control of your home's energy systems from your smartphone. Monitor, manage, and optimize your energy storage products with real-time insights into consumption and status. Increase efficiency, save on costs, and manage your home's energy flow with ease.

More apps like O3 Alarm

PestSnap: Pest Control App

Bug Bite Identifier & Scanner

Free

Instantly identify pests and bites from photos. Get immediate information on what it is, its danger level, and recommended actions. Track findings over time and share detailed reports with professionals.

AI-powered identificationDanger sign alertsActionable steps for pests/bites

🔧 Utilities

(22)

free with in-app purchases

Compare with O3 Alarm

OHMe - Home Automation

Your home in your pocket

Free

Control your home automation system remotely. Adjust lights, monitor room temperatures, and manage your smart home devices from your phone. This application is designed specifically for customers of Chiarini Automazioni.

Remote system connectionLight controlTemperature monitoring

🔧 Utilities

(0)

free

Compare with O3 Alarm

Simaran Home

by 凯曾

Free

This smart doorbell app offers convenience, monitoring, and security. Communicate with visitors remotely from your mobile device, providing peace of mind and the ability to see what's happening outside your home from anywhere.

Remote visitor communicationHome monitoringEnhanced security

🔧 Utilities

(2)

free

Compare with O3 Alarm