# O3

> Smart home control for HVAC, lighting, and blinds via Bluetooth. (iPhone/iPad app by Delta Intelligent Building Technologies (Canada) Inc..)

- Source: https://appshunter.io/ios/app/o3/id1365145779 (this page in markdown: same URL + `.md`)
- Developer: [Delta Intelligent Building Technologies (Canada) Inc.](https://appshunter.io/developer/1039551888)
- Category: Productivity, Utilities
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 15.2 · 7 MB
- Languages: American English, French (France), German (Germany), Italian, Polish, Russian
- Released: 2018-11-16
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/o3/id1365145779/reviews.md

## What is O3?

Take control of your space with the Delta Controls O3 App. Connect with your O3 system via Bluetooth and create profiles to take control of HVAC, lighting, blinds and other peripherals. Dim lights for presentations, optimize energy savings with eco modes or create the perfect lighting for productivity. Coupled with your O3 Sensor Hub, your space knows what you need before you have to ask. Your Room. Your Way.

Paired with your O3 system, the O3 app provides:

* Configurable, activity-based profiles for each room based on what you’re doing
* Eco-friendly profiles to ensure that you can save energy without sacrificing comfort
* Communication with your O3 system through Bluetooth ensures your preference carry over to each room

## Key features

- Activity-based room profiles
- Energy-saving eco modes
- HVAC control
- Lighting dimming
- Blind adjustment
- Bluetooth connectivity


## Frequently asked questions about O3

### What devices does O3 support?

O3 is available for iPhone, iPad, and iPod touch devices. It connects to your O3 system via Bluetooth to control various peripherals.

### How does O3 help save energy?

O3 offers eco-friendly profiles designed to save energy without compromising comfort. These profiles can be configured for specific activities or general optimization.

### Can I control lighting with O3?

Yes, O3 allows you to control lighting, including dimming lights for specific activities like presentations. You can create custom lighting scenes to suit your needs.

### Does O3 work offline?

The app connects to your O3 system via Bluetooth, suggesting it requires a local connection to function. It is not explicitly stated to support offline operation without a connected O3 system.

### How often is O3 updated?

The latest version of O3 is 1.2.0, which was last updated on March 9, 2022. Update frequency can vary based on developer releases.

### What is the age rating for O3?

O3 has an age rating of 4+, making it suitable for a wide range of users. The app focuses on home environment control.

### Does O3 have ads?

No, O3 does not contain advertisements. The app is free to download and use without any ad interruptions.

### What are the benefits of using O3 profiles?

Configurable, activity-based profiles allow you to tailor your environment for specific tasks, such as dimming lights for presentations or optimizing for productivity. Your preferences carry over to each room.

## Version history (last 4 releases)

### 1.2.0 — 2022-03-09

Library updates and compatibility for recent enteliWEB releases

### 1.1.1 — 2020-01-31

*Fix IOS 13 and dark mode crash .

### 1.1 — 2019-10-29

*Added French language support
*Improvements for log in workflow
*Improvements in displaying values for blinds
*Proper handling of expired user sessions
*Improvements for handling network issues

### 1.0 — 2018-11-15

No release notes.

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## More apps by Delta Intelligent Building Technologies (Canada) Inc.

- [O3 Setup](https://appshunter.io/ios/app/o3-setup/id1481149145)
- [Proviso](https://appshunter.io/ios/app/proviso/id1590003838)
- [Seymour Connect](https://appshunter.io/ios/app/seymour-connect/id6446375513)

All apps by Delta Intelligent Building Technologies (Canada) Inc.: https://appshunter.io/developer/1039551888

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*