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Detects Blu-ray / 4K listings on supported retailers and tells you instantly if you already own it. The Bluroll chrome extension lets you know if you already own a Blu-Ray, 4k, or DVD while you shop online. Store your collection on the Bluroll mobile app, then sign in on Chrome to sync your collection. Current sites supported: Amazon, Gruv, Walmart.
rating_count is the Chrome Web Store ratings count, not a written-review count.