shouldiuse.io

VERDICT

Should I use Sainsbury's?

UK supermarket — groceries, Nectar loyalty, online delivery - sainsburys.co.uk

Depends. A sound choice for UK weekly groceries if a store is near you and you use Nectar Prices. Avoid depending on online orders if exact items and accurate billing matter to you.

Confidence

Medium. Based on 14 public sources; snippets were truncated, so user quotes come from verbatim review/thread titles.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support quality
  • Security posture

Pricing

Promo items £1–£9.50

Groceries (pay per item)

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Delivery PassNot stated in sources

Best for

  • UK weekly grocery shops
  • Nectar members chasing member prices
  • Click & collect and local top-ups
  • Just Eat rapid delivery users

Not for

  • Shoppers expecting the cheapest basket — Tesco beat its price-match scheme
  • Online orders needing exact items — substitutions frustrate
  • Anyone outside Sainsbury's delivery zones
  • Bill-averse shoppers — checkout discrepancies reported

Gotchas - check before you buy

high

Substitutions arrive wrong or overpriced; you must manually check the substitution price promise.

medium

Online shoppers report checkout billing errors; MoneySavingExpert advises checking every bill.

medium

Nectar Prices require membership — non-members pay full price.

low

Delivery slot fees vary; frequent online shoppers effectively need a Delivery Pass.

Pros and cons

Pros

  • Nectar Prices offer member-only discounts on groceries
  • Delivery Pass suits regular online shoppers
  • Just Eat partnership enables speedy grocery delivery
  • Substitution price promise covers cheaper or wrong substitutes
  • Large footprint: 1,400+ supermarkets nationwide

Cons

  • Just 3.6/5 on Trustpilot from 56,479 reviews
  • Shoppers report weekly shop prices creeping up
  • Checkout price discrepancies reported at stores
  • Substitution policy draws frequent, heated complaints
  • Lost its price-match battle with Tesco

Sources & method

Analyzed 9/20/2026 - 13 sources - No vulnerabilities in sainsburys.co.uk itself; 2025 incidents touched the loyalty scheme and a shared supplier.

official x3review x5security x2news x3
  • Rewards program targeted by malicious actor, Sainsbury's Rewards Program was targeted in June 2025, per retail ISAC reporting.
  • Shared supplier hit in cyber attack, A key logistics supplier to Tesco and Sainsbury's was attacked in May 2025.

Key stats

  • Value for money: 3/5

    Rating

  • Promo items £1–£9.50

    Starting price

  • 13

    Sources

  • Analyzed

  • Value for money: 3/5. Shoppers report creeping prices; lost price-match battle to Tesco
  • Ease of use: 3/5. App feedback mixed; online ordering complaints recur
  • Feature depth: 3/5. Nectar Prices, Delivery Pass, Just Eat partnership — solid retail basics
  • Support quality: 2/5. 3.6/5 Trustpilot; complaint threads dominate reviews
  • Security posture: 3/5. No site vulnerabilities found; loyalty scheme targeted in 2025
  • 3.6/5 Trustpilot rating 56,479 reviews
  • £1–£9.50 Promo price range Low Everyday Prices items
  • 1,400+ Store footprint UK supermarkets

Pricing

Groceries (pay per item)

Promo items £1–£9.50

  • Low Everyday Prices range
  • Nectar Prices for members

Delivery Pass

Not stated in sources

  • Covers delivery slot fees
  • For repeat online orders

Security

No vulnerabilities in sainsburys.co.uk itself; 2025 incidents touched the loyalty scheme and a shared supplier.

  • Rewards program targeted by malicious actorSainsbury's Rewards Program was targeted in June 2025, per retail ISAC reporting.⁶
  • Shared supplier hit in cyber attackA key logistics supplier to Tesco and Sainsbury's was attacked in May 2025.⁷

What users say

Mixed at 3.6/5 on Trustpilot, with online substitutions, price creep, and billing discrepancies dominating negative reviews.

“Beware of online grocery shopping at Sainsburys”
Mumsnet, Cost of Living forum
“Has Sainsbury's got noticeably more expensive?”
Reddit, r/Sainsburys
Full analysis

Based on 14 public sources; snippets were truncated, so user quotes come from verbatim review/thread titles.

UK supermarket, not software. Fine in-store with Nectar discounts; online orders draw substitution and billing complaints.

Methodology

Based on 14 public sources; snippets were truncated, so user quotes come from verbatim review/thread titles.

Sources

  1. Trustpilot reviews of sainsburys.co.uktrustpilot.com
    review
  2. Has Sainsbury's got noticeably more expensive? — Redditreddit.com
    review
  3. Beware of online grocery shopping at Sainsburys — Mumsnetmumsnet.com
    review
  4. Be careful — Sainsbury's substitution policy — MoneySavingExpertforums.moneysavingexpert.com
    review
  5. Check your online delivery bill — MoneySavingExpertforums.moneysavingexpert.com
    review
  6. Sainsbury's Rewards Program Targeted by Malicious Actor — RHISACrhisac.org
    security
  7. Tesco and Sainsbury's supplier hit in cyber attack — City A.M.cityam.com
    security
  8. Low everyday prices — Sainsbury'ssainsburys.co.uk
    official
  9. Nectar Prices Offers — Sainsbury'ssainsburys.co.uk
    official
  10. Delivery Pass explained — Sainsbury's Helphelp.sainsburys.co.uk
    official
  11. Sainsbury's partners with Just Eat — New Food Magazinenewfoodmagazine.com
    news
  12. Sainsbury's loses battle with Tesco over price match — Marketing Weekmarketingweek.com
    news
  13. Sainsbury's data case study (1,400+ supermarkets) — Strategysoftware.strategy.com
    news

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