June 1 through October 31.
Swedish mushroom trip planner
Track the forests you care about and get rain-informed picking dates before you plan the journey.
Chanterelle Alert helps plan Swedish mushroom-picking trips by evaluating observed and forecast rain at saved forest spots.
Android
Open-Meteo
Jun–Oct season
On-device spot storage
Saved remote spots
14 days observed weather
14 days forecast weather
Background opportunity alerts
A forecast date is eligible when at least 8 of the preceding 14 days have measurable rain.
Spots, notification state, and the latest weather data are stored locally on-device.
WorkManager supports daily and weekly background refresh schedules.
Support
Help keep Chanterelle Alert growing.
Support helps maintain weather integrations and test the app on more Android devices.
How it works
3 focused workflows from one landing page.
Spot management
Spots, notification state, and the latest weather data are stored locally on-device.
Edit or delete saved spots while preserving local state across app restarts.
Weather evaluation
A forecast date is eligible when at least 8 of the preceding 14 days have measurable rain.
Mark a forecast date as a potential opportunity when at least 8 of the preceding 14 days are rainy and the date is in season.
Background alerts
WorkManager supports daily and weekly background refresh schedules.
Notify only when newly identified opportunities appear for a saved spot.
Features
Everything Chanterelle Alert handles, workflow by workflow.
Workflow 1
Spot management
Spots, notification state, and the latest weather data are stored locally on-device.
- Save named mushroom-picking spots chosen from an OpenStreetMap map.
- Edit or delete saved spots while preserving local state across app restarts.
- Store spot name, coordinates, optional place description, and timestamps on-device.
Workflow 2
Weather evaluation
A forecast date is eligible when at least 8 of the preceding 14 days have measurable rain.
- Fetch the previous 14 days of observed precipitation and the next 14 days of forecast precipitation from Open-Meteo.
- Mark a forecast date as a potential opportunity when at least 8 of the preceding 14 days are rainy and the date is in season.
- Use a default season window of June 1 through October 31 and a default measurable-rain threshold of 0.1 mm.
- Retain latest weather and error state when refresh cannot complete.
Workflow 3
Background alerts
WorkManager supports daily and weekly background refresh schedules.
- Run daily or weekly refreshes through WorkManager while the app is closed.
- Notify only when newly identified opportunities appear for a saved spot.
- Open the relevant spot details when a notification is tapped.
Quality and reliability
Release confidence is built into the workflow.
This same release hardening mindset carries through local checks and device-level export validation.
FAQ
Common questions about Chanterelle Alert.
What data is used to score opportunities?
A forecast date is eligible when at least 8 of the preceding 14 days have measurable rain.
Does it work only in season?
The default season window runs June 1 through October 31.
Can alerts run when the app is closed?
WorkManager supports daily and weekly background refresh schedules while the app is closed.