Champi · Carte Champignons

Content rating
Everyone
10K+
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Content rating
Everyone
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About this app

Know where to look, when to go out, and describe what you find. Champi maps the areas favorable to 16 mushroom species across France (porcini, chanterelles, black trumpets, milk-caps, morels, etc.) and tells you, every day, if the forest is ripe.

A MAP OF FAVORABLE AREAS, SPECIES BY SPECIES
Not a generic forest map: we've combined tree species, soil, exposure, and climate to map the areas favorable to porcini, chanterelles, morels, black trumpets, and 12 other French species. When you open it, your map shows all the species, sector by sector: the darker a sector, the more promising it is. Tap a species to see its specific areas, then zoom in to your forest, your trail, or even an aerial view.

ANTICIPATE GROWING TIMES
Each morning, the mushroom growth rating out of 5 and the coming days are calculated based on rainfall over the past few weeks, temperature, soil moisture, and the season for each species. When the forest is thirsty, your map will tell you.

DESCRIBE YOUR FIND
In the Observation tab, photograph your mushroom (up to three photos, which will be saved to your phone), then describe what you see: cap, underside, stem, flesh, smell… Question by question, the list of possible species in the library narrows down. Deadly or toxic species ruled out by an answer remain visible, along with the answer in question. Champi never makes conclusions for you: nearby pharmacies and mycological societies are just a click away to have your harvest checked, as is the Poison Control Center, at any time.

A LIBRARY OF 209 SPECIES
Detailed fact sheets: photos, French and Latin names, associated trees, habitat, season, and common look-alikes. Seasonal species in your area are highlighted.

IN THE FOREST, EVEN WITHOUT A NETWORK CONNECTIVITY
- Download up to 10 map areas,

- Local and national hiking trails,

- Sunrise and sunset times,

- Your saved spots (the places you record) and your logbook, always at your fingertips.

YOUR SPOTS STAY YOURS
The places you record, your observations, your outings: nothing is shared, nothing is published, nothing is resold. With an account, they are saved and follow you from one phone to another; your photos stay on your phone.

FORAGING RULES
Authorized quantities, prefectural decrees, protected areas: by department, up-to-date. Forage with peace of mind.

REGIONAL PASSES
A free overview of all of France. Unlock the region you forage in with the 1-year Pass: a single payment, no subscription or renewal. Monthly or 5-year plans are also available.

A FRENCH APP, RESPECTING YOUR PRIVACY
Geolocation is used only in the foreground, never in the background. No photo identification: Champi does not replace the expertise of a mycologist or pharmacist, who must verify all harvests before consumption.

Champi is designed in France, for French foragers. Whether you're hunting for porcini mushrooms in Périgord, chanterelles in the Jura, morels in Champagne, or black trumpets in Brittany, your map, notebook, and observations will be with you all season long.

Happy foraging!

Terms of Use: https://www.champimap.com/cgv/
Privacy Policy: https://www.champimap.com/confidentialite/
Where to look, when to go out, and how to describe what you find.
Updated on
Oct 25, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Personal info and Device or other IDs
  • This app may collect these data types
    Personal info, App activity and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted
Content rating
Everyone
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App support

About the developer
BAPTISTE FRANCOIS GEORGES LEON
champignonapp@gmail.com
32 Rue Godot de Mauroy 75009 Paris France