Small contributions build a clearer catalog
One barcode, one photo, or one careful correction can help the next person understand a product faster.
A catalog built together
Product information changes, local products appear, and some barcodes have never been documented. Kouka lets shoppers help close those gaps by contributing information from the products in front of them.
What you can contribute
Review before publication
A submission is a proposal, not an immediate public edit. Contributions enter moderation, where evidence can be checked before approved facts become canonical catalog information. Rejected or incomplete proposals do not silently overwrite trusted product data.
Better evidence, better answers
Clear photos and complete label details help resolve products and explain why a Nutri-Score, NOVA group, or environmental grade is present or missing. Do not include people, addresses, receipts, or other personal information in product photos.
Approved non-personal product facts may become part of Kouka's shared catalog. Account data remains separate from public product information.