CONTRIBUTE

One photo can improve hundreds of comparisons.

Photograph a receipt, price label, shelf, display case, or refrigerator showing prices. COMPARIO processes the evidence; you do not need to fill out anything else.

The fastest way to help: take a photo

Private evidence

Turn a photo into useful evidence.

Photograph a receipt, price label, shelf, display case, or refrigerator showing prices. The original is not published; COMPARIO continues processing and review.

  • JPG, PNG, or WebP
  • Max 10 MB
  • Review in ES · PT · EN

Account required.

before uploading evidence.

Want to contribute more?

You can also help review, correct, or document information in your market.

Review data

Help confirm information when evidence already exists.

Correct

Flag outdated prices or incorrect information.

Your market

Help with local context, retailers, and categories you know.

Contribute more