{
  "version": "2026-10-22",
  "checked": "2026-10-22",
  "currency": "GBP",
  "scope": "Two-model UK pilot; dated retailer observations, not a market-wide price survey or a complete priced head-to-head.",
  "method": {
    "headsPerYear": 4,
    "horizons": [
      1,
      3,
      5
    ],
    "fulfilment": "Collection assumed, subject to local stock. Delivery excluded; add each actual order charge once. Prices held fixed; one person; original handle lasts the full period. Electricity and repairs excluded.",
    "unknown": "null in JSON, empty field in CSV; never zero",
    "replacementSource": "https://www.oralb.co.uk/en-gb/product-collections/replacement-brush-heads"
  },
  "observations": [
    {
      "id": "io",
      "model": "Oral-B iO2",
      "bundle": "Currys black gift pack, charger and travel case",
      "merchant": "Currys",
      "sku": "10308607",
      "retailerCode": "544672",
      "handle": 39.99,
      "included": 3,
      "handleSource": "https://www.currys.co.uk/products/oralb-io2-electric-toothbrush-gift-pack-black-10308607.html",
      "handleStatus": "direct retailer page",
      "pack": "Genuine iO Ultimate Clean, white, 4 heads",
      "packId": "M10289179_white",
      "packPrice": 20,
      "packCount": 4,
      "packSource": "https://www.currys.co.uk/products/oralb-io2-electric-toothbrush-gift-pack-black-10308607.html",
      "packStatus": "related-product tile quote; direct refill checkout unverified",
      "status": "partial verification",
      "notes": "Headline and box contents specify three total heads; prose says three extra. Model uses three total; edit after checking your box. Refills are white, handle black.",
      "amazonAsin": "B0H1Z1BH3X",
      "amazonBundle": "Night Black, case, holder, one head; separate from Currys gift pack",
      "amazonPrice": null,
      "checked": "2026-10-22"
    },
    {
      "id": "pro",
      "model": "Oral-B Pro 3",
      "bundle": "3500 Black Mondrian case bundle, one head; handle price unknown",
      "merchant": "Handle unknown; refills Currys",
      "sku": null,
      "retailerCode": null,
      "handle": null,
      "included": 1,
      "handleSource": null,
      "handleStatus": "unknown; no verified current handle quote",
      "pack": "Genuine Pro Cross Action, black, 4 heads",
      "packId": "10253708",
      "packPrice": 10.49,
      "packCount": 4,
      "packSource": "https://www.currys.co.uk/products/oralb-pro-cross-action-replacement-toothbrush-head-pack-of-4-black-10253708.html",
      "packStatus": "direct retailer page, code 639969",
      "status": "partial: missing handle price",
      "notes": "Pro heads exclude iO and Pulsonic. Included count refers to the identified Amazon bundle; refill quote is a separate Currys product.",
      "amazonAsin": "B097FB6N9T",
      "amazonBundle": "3500 Black Mondrian case, one head",
      "amazonPrice": null,
      "checked": "2026-10-22"
    }
  ]
}