TOP 10

Shopping & dealsSupermarkets

Top 10 best online supermarkets

TOP 10 · 2026

Quick answer: Mercadona and Carrefour cover more zones; Amazon Fresh with Prime; Ulabox is online-only.

The ranking

  1. Mercadona Online

    10/10

    Mercadona online with home delivery.

    ✓ Pros
    • Same in-store prices
    • Stable app
    ✗ Cons
    • Limited slots
    • Coverage zones only
  2. Carrefour Online

    9/10

    Carrefour online supermarket with wide range.

    ✓ Pros
    • Huge variety
    • Click and collect
    ✗ Cons
    • Delivery fees
    • Product substitutions
  3. Amazon Fresh

    8/10

    Grocery shopping with Amazon Prime delivery.

    ✓ Pros
    • Fast Prime delivery
    • Amazon integration
    ✗ Cons
    • Prime required
    • Range varies by city
  4. Ulabox

    7/10

    Spanish 100% online supermarket.

    ✓ Pros
    • Online-only specialist
    • Own deals
    ✗ Cons
    • Limited coverage
    • Price plus shipping
  5. Lidl Online

    6/10

    Lidl online store for non-food and deals.

    ✓ Pros
    • Lidl online deals
    • Store pickup on some items
    ✗ Cons
    • Limited online groceries
    • Wave stock
  6. DIA Online

    5/10

    DIA online shopping where available.

    ✓ Pros
    • DIA prices
    • Store pickup
    ✗ Cons
    • Reduced coverage
    • Less polished app
  7. Eroski Online

    4/10

    Eroski online in northern Spain.

    ✓ Pros
    • Local products online
    • Club discounts
    ✗ Cons
    • Limited geography
    • Delivery slots
  8. Alcampo Online

    3/10

    Alcampo hypermarket online shopping.

    ✓ Pros
    • Hyper variety
    • Frequent promos
    ✗ Cons
    • Delivery fees
    • Zone-based coverage

External third-party links. Compara10 may use UTM tracking; always verify terms on the destination site.

General criteria

Usefulness in Spain, site clarity, service or report quality and transparency.

Other rankings

FAQ

How do we pick sites for the ranking?

We assess usability, free or fair pricing, report or service quality and recent user feedback. Order reflects general usefulness, not paid placement.

Are these affiliate links?

Some links include UTM parameters to measure traffic. Compara10 does not charge users; always verify terms on the destination site.

How often is this updated?

We review rankings at least once a year or when market conditions change materially.

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