head to head · open source
OpenMQTTGateway vs android
OpenMQTTGateway has 4,094 GitHub stars, 906 forks, 48 open issues and last shipped today. android has 3,903 stars, 1,067 forks, 458 open issues and last shipped yesterday. OpenMQTTGateway leads on adoption by 5% (4,094 vs 3,903 stars). OpenMQTTGateway is written in C++ under GPL-3.0; android is written in Kotlin under Apache-2.0. OpenMQTTGateway has attracted 22% as many forks as stars, android 27%. OpenMQTTGateway was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (home-assistant, home-automation), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| OpenMQTTGateway | android | |
|---|---|---|
| GitHub stars | ★ 4.1K | ★ 3.9K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | C++ | Kotlin |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 906 | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenMQTTGateway if
- You weight community size — 4.1K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick android if
- You want the android feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Kotlin
- You evaluated both and android fits your workflow better
About OpenMQTTGateway
OpenMQTTGateway is an open source C++ gateway firmware for ESP8266 and ESP32 boards that connects local radio and sensor protocols to MQTT. It lives in the home automation ecosystem and is associated with Home Assistant, OpenHAB, NodeRed, and AWS IOT. The project aims to unify various technologies and protocols into a single firmware, reducing the need for multiple physical bridges.
read the full OpenMQTTGateway overview →
About android
The Home Assistant Companion for Android is the official Android application for Home Assistant, an open source home automation platform. It is written in Kotlin, released under the Apache 2.0 license, and distributed as an open source app for Android devices. The project sits inside the Home Assistant ecosystem and connects a mobile client to a user's Home Assistant instance.
read the full android overview →
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Frequently asked questions
Is OpenMQTTGateway or android more popular?
OpenMQTTGateway has 4,094 GitHub stars and android has 3,903. OpenMQTTGateway has the larger community by that measure.
Are OpenMQTTGateway and android free?
Both are open source. OpenMQTTGateway is licensed under GPL-3.0 and android under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenMQTTGateway and android?
OpenMQTTGateway is written in C++ and android in Kotlin. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, OpenMQTTGateway or android?
Choose OpenMQTTGateway if you want the larger community (4,094 stars) or its GPL-3.0 licence terms. Choose android if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.