head to head · open source
espectre vs android
espectre has 9,747 GitHub stars, 741 forks, 13 open issues and last shipped 3 days ago. android has 4,023 stars, 1,137 forks, 458 open issues and last shipped today. espectre leads on adoption by 142% (9,747 vs 4,023 stars). espectre is written in Python under GPL-3.0; android is written in Kotlin under Apache-2.0. espectre has attracted 8% as many forks as stars, android 28%. 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-assistant), 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
| espectre | android | |
|---|---|---|
| GitHub stars | ★ 9.7K | ★ 4.0K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | Kotlin |
| Last push | 2026-11-03 | 2026-11-06 |
| Forks | ⑂ 741 | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick espectre if
- You weight community size — 9.7K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- 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 espectre
ESPectre Turn an ESP32 into a private, local Wi Fi motion sensor. When someone moves through a room, they change the way Wi Fi signals travel through it. ESPectre reads those changes and reports motion in real time. No camera, no microphone, no wearable, and no dedicated radar hardware: just a supported ESP32 and the Wi Fi network already in the room. ESPectre is an open source platform that brings together ready to flash firmware, an embeddable C++ SDK, a MicroPython implementation, browser tools, a host CLI, an open dataset, open model weights, and the research workflow used to build and validate the…
read the full espectre overview →
About android
Home Assistant Companion for Android Welcome to the Home Assistant Companion for Android ! This is the official Android app for Home Assistant, a powerful open source home automation platform. Join us in building an app used by millions of users worldwide. Features Control Your Smart Home : Seamlessly interact with your Home Assistant instance. Native Android Experience : Leverage Android specific features like widgets, notifications, and location tracking. Customizable : Tailor the app to your needs with themes, dashboards, and more. Open Source : Contribute to a project that empowers users to take control of…
read the full android overview →
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Frequently asked questions
Is espectre or android more popular?
espectre has 9,747 GitHub stars and android has 4,023. espectre has the larger community by that measure.
Are espectre and android free?
Both are open source. espectre is licensed under GPL-3.0 and android under Apache-2.0. Neither carries a licence fee.
What is the difference between espectre and android?
espectre is written in Python 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, espectre or android?
Choose espectre if you want the larger community (9,747 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.