Mobile app · Education & science

Calyx - Grow Tracker

Track indoor gardens, plant schedules, and hardware entirely offline.

Completely free
Android
Open source

Overview

Features described in its F-Droid listing: API for automation and integration.

Services and protocols mentioned: Home Assistant.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“The application queries the Home Assistant REST API to display temperature, relative humidity, and Vapor Pressure Deficit (VPD).” — F-Droid, 10 November 2026
“Standalone and self-hosted options” — F-Droid, 10 November 2026
“Growers who require multi-device synchronization can deploy the provided Docker container to connect the application to a self-hosted backend.” — F-Droid, 10 November 2026
“Growers who require multi-device synchronization can deploy the provided Docker container to connect the application to a self-hosted backend.” — F-Droid, 10 November 2026

At a glance

All of Calyx - Grow Tracker is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
No advertising
Commercial use allowed

Sources and checks

Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) — 9 November 2026
Last technical check: 6 November 2026
Description from F-Droid — F-Droid (citation courte)

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