meteocool iOS App

This repository contains the full meteocool iOS code, including background location services, notification code and infrastructure. Supports iOS 18, 26, and 27; build with Xcode 27.

All components and interaction except the main map view are implemented natively in Swift (Swift 6 language mode). The map view and all of its data visualization features and interactions are maintained in the meteocool/core repository (ES6/Svelte).

Building

The Xcode project is generated from project.yml by XcodeGen and is not checked in, so meteocool.xcodeproj never has to be edited (or merged) by hand:

brew install xcodegen
xcodegen generate

Everything builds headless, without opening Xcode:

./scripts/build.sh     # fast unsigned simulator build
./scripts/run.sh       # build, boot a simulator, install and launch
./scripts/test.sh      # UI tests
./scripts/device.sh    # signed build installed on a connected iPhone
./scripts/release.sh   # archive + export a signed App Store .ipa

To sign with your own Apple Developer team, copy Local.xcconfig.example to Local.xcconfig (gitignored) and set DEVELOPMENT_TEAM and BUNDLE_PREFIX. See CLAUDE.md for the full layout.

meteocool ❤️ Open-Source

We welcome all contributions! If you're looking to implement a feature that is not yet on our Issues page, please create one and let's discuss. 😊

Credit Where Credit is Due

The meteocool iOS application is maintained by Nina Loser, Florian Mauracher and Valentin Dornauer.

All code is offered under the AGPL-3.0 license to encourage collaboration and open-source innovation in meteorology and earth sciences. Please be aware that we can only accept contributions if they are also licensed AGPL-3.0.

Integration verification

Run bash scripts/check.sh for the standalone checks. Native UI has no Swift package dependencies.