Comparison

openHAB vs Conclave by ACM

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

Head to head
About

openHAB

This app acts as a companion to an open-source home automation system, allowing users to control and integrate various smart home devices. It offers remote access, enhanced notifications, and a customizable interface for managing your smart home ecosystem.

Highlights
  • Seamless integration with openHAB UI
  • Remote control via openHAB Cloud
  • Enhanced push notifications
  • Apple Watch companion app
  • Natively supports iPhone and iPad
  • Connects to over 3000 devices
Features
Read full description

The official companion application for openHAB - an open source home automation system. The open Home Automation Bus (openHAB) project aims at providing a universal integration platform for connecting home automation technologies into a single intelligent system. With more than 3000 things that openHAB can connect to, there’s virtually nothing that can’t be integrated. Its advanced rules based architecture allows complete automation using several popular scripting languages (Java Script, Ruby, Python, Java, RDSL, and more ) as well as visual rule designers using either drag and drop interfaces or simple “If / Then” forms. The new openHAB UI allows users to easily build beautiful interfaces customized to their needs. openHAB is designed to be absolutely vendor-neutral as well as hardware/protocol-agnostic. Key Features: * Integrates seamlessly with your own openHAB UI (Main UI or sitemaps) * Control everything on your openHAB server directly or remotely through the free openHAB Cloud service (https://myopenhab.org) * Enhanced push notifications with media from openHAB Cloud and the openHAB cloud binding * Apple Watch companion app * Natively supports both iPhone and iPad Make openHAB the central integration and control point of your Smart Home. You will find openHAB at http://www.openhab.org/ openHAB has over 450 add-ons, supporting over 3000 things, some of which include: Aiphone, Amazon Dash Button, Amazon Echo Control, AmpliFi, AndroidTV, Anker, Apple HomeKit, Arlo, August, Belkin, Blink, Bosch Smart Home, Bose SoundTouch, Brinks, Chamberlain, Chromecast, Cree, D-Link, Daikin, Denon / Marantz, Dynaudio, Ecobee, Electrolux, Eero, Fibaro, Foscam, Freebox, Gardena, Google Home, Hisense, Honeywell, Honeywell Home, Hue, iRobot, JBL, Jablotron Alarm, Kaleidescape, Kenwood, KNX, Kodi, Kuka, Kwikset, LIFX, LG, Linksys, Logitech, Lutron, Matter, Miele Cloud, Miele@home, Moen, Nanoleaf, Neato, Netatmo, Nest, Nortek, Nuki, Osram, Philips Hue, Pioneer, Plex, Powermax, Rako, Ring, Ring Alarm, Roku, Samsung Smartthings, Sennheiser, Sensibo, Shelly, Siemens, SimpliSafe, Smarthome, Smartmeter, Smartthings, Sonos, Sony, Spotify, Squeezebox, Tado, Technics, Tesla, TP-Link Smart Home, TRÅDFRI, Unifi, Velux, Vera, Verisure, Vizio, Volumio, Wemo, Whirlpool, Wink, Xiaomi, Yamaha Musiccast, Yamaha Receiver, Yeelight, Zigbee, Z-Wave and 400 more popular technologies….

About

Conclave by ACM

Features
Read full description

Conclave is ACM-VIT’s fully in-house video conferencing platform, designed, built and maintained by us to support communication needs. It is a production-ready system that mirrors the functionality of mainstream conferencing tools while offering the freedom, ownership and flexibility that come with building infrastructure from scratch. At its core, Conclave enables seamless real-time audio and video communication. The platform is designed to support everything from quick one-on-one discussions to large group meetings, without requiring users to install external applications. By owning the entire stack, ACM-VIT gains complete control over user experience, feature evolution and platform reliability. Conclave offers multiple frictionless ways to join a meeting: i. Sign in with Google ii. Sign in with Apple iii. Join as a guest, without authentication This ensures accessibility for both ACM members and external participants such as speakers, judges, or collaborators, while still supporting secure, authenticated sessions when required. □ Meeting Capabilities Users can: i. Start a new meeting instantly ii. Join an existing meeting using a meeting code or link iii. Lock a meeting, preventing new participants from entering once the session begins iv. Hosts retain control over the flow of the meeting, enabling moderated discussions during interviews, internal reviews, or sensitive conversations. □ Core Features Conclave is built to match the expectations set by widely used platforms like Google Meet. Its feature set includes: i. High-quality audio and video streaming ii. In-meeting chat, enabling parallel discussion and link sharing iii. Text-to-Speech (TTS) support for enhanced accessibility iv. Participant management and host controls In short, Conclave supports all essential features expected from a modern video conferencing solution, while remaining tailored to student-led use cases. Conclave represents a natural evolution of ACM-VIT as a technical community, one that not only discusses technology daily, but also builds the tools that power those discussions. As an in-house video conferencing platform with feature parity to industry-standard tools, Conclave stands as a testament to student-led innovation, ownership, and engineering maturity.

Screenshots

openHAB4 screens
Conclave by ACM3 screens

Verdict

The call

openHAB and Conclave by ACM are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

ScorecardNo meaningful differences
openHAB versus Conclave by ACM: the parameters behind the verdict, then further details
ParameteropenHABConclave by ACM
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size45 MB55 MB
Age rating4+9+
DeveloperopenHAB Foundation e.V.Manav Muthanna

In-app purchases

None

openHAB

No in-app purchases

None

Conclave by ACM

No in-app purchases

Questions

Is openHAB free?
openHAB is free to download, with no in-app purchases.
Is Conclave by ACM free?
Conclave by ACM is free to download, with no in-app purchases.
Do openHAB or Conclave by ACM have ads?
Neither openHAB nor Conclave by ACM shows ads.
Which is updated more often, openHAB or Conclave by ACM?
openHAB ships an update every 3 weeks, and Conclave by ACM every 3 weeks. Most recently, openHAB was updated on November 4, 2026 and Conclave by ACM on October 31, 2026.

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