head to head · open source
android vs emhass
android has 3,903 GitHub stars, 1,067 forks, 458 open issues and last shipped yesterday. emhass has 680 stars, 166 forks, 50 open issues and last shipped 4 days ago. android leads on adoption by 474% (3,903 vs 680 stars). android is written in Kotlin under Apache-2.0; emhass is written in Python under MIT. android has attracted 27% as many forks as stars, emhass 24%. android was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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
| android | emhass | |
|---|---|---|
| GitHub stars | ★ 3.9K | ★ 680 |
| License | Apache-2.0 | MIT |
| Written in | Kotlin | Python |
| Last push | 2026-09-19 | 2026-09-16 |
| Forks | ⑂ 1.1K | ⑂ 166 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick android if
- You weight community size — 3.9K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Kotlin
- You value the larger contributor base for long-term maintenance
pick emhass if
- You want the emhass feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and emhass fits your workflow better
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 →
About emhass
EMHASS (Energy Management for Home Assistant) is an MIT licensed Python module for residential households that optimizes home energy use around electricity prices, solar panel generation, and battery storage, and that interfaces with Home Assistant.
read the full emhass overview →
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Frequently asked questions
Is android or emhass more popular?
android has 3,903 GitHub stars and emhass has 680. android has the larger community by that measure.
Are android and emhass free?
Both are open source. android is licensed under Apache-2.0 and emhass under MIT. Neither carries a licence fee.
What is the difference between android and emhass?
android is written in Kotlin and emhass in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, android or emhass?
Choose android if you want the larger community (3,903 stars) or its Apache-2.0 licence terms. Choose emhass if its feature set, stack or MIT licence fits better. Both are self-hostable.