# HCA > Remote client for Home Control Assistant Server home automation system. (iPhone/iPad app by Advanced Quonset Technology, Inc.) - Source: https://appshunter.io/ios/app/hca/id869907178 (this page in markdown: same URL + `.md`) - Developer: [Advanced Quonset Technology, Inc](https://appshunter.io/developer/1200893792) - Category: Utilities, Lifestyle - Price: Free - Rating: 4.70/5 from 6 App Store ratings · 5 written reviews indexed - Age rating: 4+ - Requires: iOS 12.0 · 15 MB - Languages: American English - Released: 2014-05-07 - Data updated: 2026-06-08 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/hca/id869907178/reviews.md ## What is HCA? HCA is a companion app for the Home Control Assistant Server desktop application. It is a client that connects to your HCA Server home automation system over WiFi or Cell network. I have no affiliation with the makers of HCA Server - I'm just a user providing this app for free to people who already own HCA Server. With this app, you can: - Control your home lighting, thermostat and other automation devices remotely. - Check on the status of motion and door/window sensors and your alarm system. - Trigger the execution of HCA programs to expand your remote automation capability. - Control the keypads throughout your home. - Use GeoFences to cause an HCA program to execute when entering/leaving an area. - View the HCA log and filters - Synchronize your custom icons from the HCA server to the app. - View your custom HTML pages generated by the HCA Server - Much, Much more! NOTE: For geofences, the users location is NEVER transmitted to the server or anywhere else outside of the app. It is used only by iOS to track the geofence. The app only sends the user-supplied name of the geofence to the server. For a video showing how to setup and use the app, see here: Part 1: https://youtu.be/IRWOgmouC_c Part 2: https://youtu.be/-On3jNJHW6M Please provide feedback on what features you would like to see implemented next! *** Please give us a rating in the app store *** ## Key features - Remote device control - Sensor status monitoring - Program execution - Keypad control - Geofencing automation - Log viewing and filtering - Custom icon synchronization ## Recent user reviews (5 of 5) All indexed reviews: https://appshunter.io/ios/app/hca/id869907178/reviews.md ### 5/5 — The real deal! *2015-04-20* I am so glad that someone actually took the time to create this app, and do so professionally and keeping it so close visually and functionally to the actual HCA program. Best of all, it all works just as it should! This app is a must have for anyone that uses Home Control Assistant, I highly recommend it! ### 4/5 — Great Job *2014-09-03* Thanks for building this app to interface to the HCA Server! Can I ask for a new feature? I would love to see support for custom icon sets (both on and off state) ### 5/5 — HCA iOS app OUTSTANDING! *2014-06-09* Works like a charm. Easy to install and use. I use it all the time from everywhere. Works great with HCA 12, which is also outstanding! ### 2/5 — Not connecting to server *2014-05-24* Not even clear if this is written by HCA or is by some third party. ### 5/5 — Great App! *2014-05-24* This app is a great add-on for the HCA Server application. It is extremely fast, and looks great on both the iPhone and iPad! The UI is much cleaner than any of the other Insteon-supported apps out there, and much more touch-friendly; thanks to larger icons. It renders displays based on the design of the HCA desktop application's Control UI, so it can be customized how ever the user would like to see them. The response times (between the app and server) are really fast, and the load's response is almost instantaneous. I'm looking forward to support for HTML displays so I can add weather, news, and traffic displays! Great job! ## Frequently asked questions about HCA ### What is HCA? HCA is a companion client app that connects to your Home Control Assistant Server desktop application, allowing you to control your home automation system remotely over WiFi or cellular networks. ### Can I control my home's devices with HCA? Yes, you can remotely control your home lighting, thermostat, and other automation devices. You can also check the status of sensors and your alarm system. ### How does HCA use geofencing? HCA uses geofencing to trigger an HCA program when you enter or leave a specific area. Your location is only used by iOS for tracking and is not transmitted to the server. ### Is HCA free to use? Yes, HCA is available for free. The developer states they are a user providing this app for free to those who already own HCA Server. ### What devices is HCA compatible with? HCA is supported on iPhone, iPad, and iPod devices. ### How often is HCA updated? The latest version of HCA is 2.1.6, which was last updated on June 8, 2022. This indicates a moderate update frequency. ### What is the age rating for HCA? HCA has an age rating of 4+, making it suitable for a wide range of users. ### Does HCA have ads? No, HCA does not contain advertisements. The app is free and does not have in-app purchases. ## Version history (last 5 releases) ### 2.1.6 — 2022-06-08 Small fix for some UI issues related to text color ### 2.1.5 — 2022-05-27 Minor changes to support possible future changes to remote connections. Changes in support of current mobile platforms. ### 2.1.4 — 2020-12-08 - Changes in support of iOS version 14 for iPads - Thermostat font changes for readability on iPhone - Correction for button order on UPB KPC7 style keypads ### 2.1.3 — 2020-10-29 Support for iPad OS 14 ### 2.1.2 — 2020-04-06 Bug fixes for iPadOS 13.3 and up. 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User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-08.*