Hemera

An open-source Home Assistant client for iOS, built with SwiftUI.

Features

Control — Lights with brightness, color temperature, and color picking. Covers with position control and open/close/stop. Climate with HVAC modes, target temperature, and fan speed. Switches, buttons, scenes, and automations.

Dashboard — Customizable tile grid with drag-and-drop reordering. Curated Home tab for your favorite entities and area-based browsing for everything else. Real-time state sync over WebSocket.

Display — Stay-awake mode with configurable inactivity dimming. Full-screen clock for wall-mounted or bedside use. Configurable 12/24-hour time format.

Try before you connect — Built-in demo mode with realistic entities across multiple rooms. No Home Assistant server required.

Local Development Setup

1. Clone the repository
2. Copy the signing config template:

   cp Config/Local.xcconfig.template Config/Local.xcconfig

3. Edit Config/Local.xcconfig and set your Apple Development Team ID:

   DEVELOPMENT_TEAM = YOUR_TEAM_ID_HERE
   

   To find your Team ID, run:

   security find-identity -v -p codesigning

   The 10-character alphanumeric ID in parentheses at the end of each line is your Team ID. You can also find it in Xcode under Settings > Accounts.
4. Open Hemera.xcodeproj in Xcode and build

License

MIT - see LICENSE for details.